CPC · California Plumbing Code

When does the Authority Having Jurisdiction need to approve materials or methods?

If a plumbing product or method is not already listed to the code’s referenced standard, the California Plumbing Code requires you to submit it to the local Authority Having Jurisdiction for approval before installing it; alternates need technical documentation and may require testing paid for by the applicant. **§ 301.2** and **§ 301.3**.

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Last reviewed: July 6, 2026

What the code requires — plain English

The California Plumbing Code requires that pipe, pipe fittings, traps, fixtures, material, and devices used in a plumbing system be listed (third‑party certified) to the applicable recognized standards, and — unless the code specifically allows otherwise — any materials, fixtures or devices used or entering into the construction of plumbing systems must be submitted to the Authority Having Jurisdiction for approval prior to installation. See § 301.2 for the controlling rule.

The single most important rule: if a plumbing material or method is not clearly covered by the code and listed to an applicable standard, you must get the Authority Having Jurisdiction to approve it before you install it. § 301.2

Requirements in detail

1) Basic approval requirement

  • Who: the Authority Having Jurisdiction (commonly AHJ) — bolded here as the deciding official.
  • What: materials, fixtures, devices, pipe, fittings, traps used in plumbing systems.
  • When: prior to being installed unless the code specifically provides otherwise. § 301.2

2) Listing, marking, and standards

  • Products must be listed (third‑party certified) to the applicable recognized standards referenced in the code. § 301.2
  • Each length/part must be marked per the referenced standard and include manufacturer identification; field markings are not acceptable. See § 301.2.1.

3) When special permission / alternate methods apply

  • If a product or method is not provided for in the code (an alternate material or method), technical documentation must be submitted and the AHJ may approve or disapprove. See § 301.3.
  • The AHJ may require tests to substantiate equivalency; tests are to be done by an approved agency at the expense of the applicant, unless an applicable standard already exists. See § 301.3.1 and § 301.3.1.1.

4) Existing buildings / discretionary deviations

  • For existing buildings being altered, repaired, or renovated the AHJ has discretionary powers to permit deviations from the code after proper submission for determination. See § 301.2.5.

Decision dimensions — quick reference table

Decision dimension (question to ask) Relevant values/thresholds Code reference
Is the product/listing required? Yes — products must be listed (third‑party certified) to referenced standards § 301.2
Are manufacturer markings required? Yes — cast/stamped/indelible markings per standard; field markings not acceptable § 301.2.1
Is the material covered by a referenced standard? If covered, use that standard (apply applicable portion) § 301.2.2
Is the material not covered (alternate)? Submit technical documentation; AHJ may approve/disapprove; tests may be required at applicant expense § 301.3, § 301.3.1.1
Is the work in an existing building? AHJ has discretion to permit deviations after submission § 301.2.5
Are there special product rules (example: plastics, cast‑iron)? Certain product families have specific subrequirements (see § 301.2.3, § 301.2.4) § 301.2.3, § 301.2.4

Exceptions & special cases

  • Markings exception: nipples created from cutting and threading of approved pipe are not required to bear the full markings. See § 301.2.1 (Exception).
  • Products explicitly required elsewhere: where a specific chapter names a standard or approval path (for example some plastic pipe requirements in § 301.2.3), follow that section; AHJ approval is still the mechanism when the product or installation falls outside listed standards.
  • Geographic/jurisdictional limit: an AHJ’s discretionary approval applies only within that AHJ’s jurisdictional boundaries — approvals do not automatically transfer outside that jurisdiction. See § 301.3.

Common mistakes

  • Assuming field-applied labels satisfy marking requirements. The code requires manufacturer markings and says field markings are not acceptable. § 301.2.1
  • Installing a non‑listed product without written AHJ approval. The default rule is submission and approval prior to installation. § 301.2
  • Believing an AHJ approval in one city covers another. An AHJ’s approval applies only within that AHJ’s boundaries. § 301.3
  • Failing to provide technical documentation or testing results when proposing an alternate method — the AHJ may require tests by an approved agency at the applicant’s expense. § 301.3.1.1

Worked example — applying the rule with numbers (illustrative)

Scenario: A plumbing contractor wants to use a newly manufactured plastic fitting for potable water that is not yet listed to the referenced standard.

  1. Determine status: The fitting is not listed (third‑party certified) to the code’s referenced standard (fail the basic listing requirement in § 301.2).
  2. Action required: Submit technical documentation and an alternate materials request to the AHJ before installing. The AHJ will evaluate and may approve, require additional documentation, or require tests. § 301.3 and § 301.3.1 apply.
  3. Testing: If the AHJ requests tests, they must be performed by an approved testing agency at the applicant’s expense. For example, if the lab quotes $2,500 for product testing, that cost is borne by the applicant under § 301.3.1.1. (Dollar amount is an example; the code requires the applicant pay testing costs but does not set a dollar amount.)
  4. Outcome: If testing and documentation demonstrate equivalency, the AHJ may approve installation for that jurisdiction; approval is effective only within that AHJ’s boundaries. § 301.3.

Related provisions (CPC sections)

  • § 301.2 — Minimum Standards; submission prior to installation.
  • § 301.2.1 — Marking requirements; manufacturer mark and prohibition on field markings.
  • § 301.2.2 — Use of referenced standards and application of portions of standards.
  • § 301.2.3 — Specific requirement for plastic pipe, plastic pipe fittings, and components (example product‑family rule).
  • § 301.2.4 — Cast‑iron soil pipe, fittings, and hubless couplings — third‑party certification requirements.
  • § 301.2.5 — Existing buildings — AHJ discretionary powers for deviations.
  • § 301.3 — Alternate materials and methods (equivalency), documentation, tests, and jurisdictional limits on approvals.
  • Appendix C (C101.3 / C301.1) — Authority and procedures for engineered plumbing systems and alternate materials (when adopted).

Code references

Grounded in the retrieved California Plumbing Code — click a citation to read the verbatim passage:

  • CPC § 1701.1. High relevance — show source text

    Design and materials for special conditions or materials not provided for herein shall be permitted to be used by special permission of the Authority Having Jurisdiction after the Authority Having Jurisdiction has been satisfied as to their adequacy. A list of plumbing standards that appear in specific sections of this code is referenced in Table 1701.1. Standards referenced in Table 1701.1 shall be applied as indicated in the applicable referenced section. A list of additional approved standards, publications, practices, and guides that are not referenced in specific sections of this code appear in Table 1701.2. An IAPMO Installation Standard is referenced in Appendix I for the convenience of the users of this code. It is not considered as a part of this code unless formally adopted as such by the Authority Having Jurisdiction.

    301.2.3 Plastic Pipe, Plastic Pipe Fittings, and Components. Plastic pipe, plastic pipe fittings, and components other than those for gas shall comply with NSF/ANSI 14.

    301.2.4 Cast-Iron Soil Pipe, Fittings, and Hubless Couplings. Cast-iron soil pipe, fittings, and hubless couplings shall be third party certified in accordance with ASTM C1277 and CISPI 310 for couplings and ASTM A888, ASTM A74, and CISPI 301 for pipes and fittings. 301.2.5 Existing Buildings. In existing buildings or premises in which plumbing installations are to be altered, repaired, or renovated, the Authority Having Jurisdiction has discretionary powers to permit deviation from the provisions of this code, provided that such proposal to deviate is first submitted for proper determination in order that health and safety requirements, as they pertain to plumbing, shall be observed.

    301.3 Alternate Materials and Methods of Construction Equivalency. Nothing in this code is intended to prevent the use of systems, methods, or devices of equivalent or superior quality, strength, fire resistance, effectiveness, durability, and safety over those prescribed by this code. Technical documentation shall be submitted to the Authority Having Jurisdiction to demonstrate equivalency prior to installation. The Authority Having Jurisdiction shall have the authority to approve or disapprove the system, method, or device for the intended purpose.

    [HCD 1] (See Section 1.8.7)

    However, the exercise of this discretionary approval by the Authority Having Jurisdiction shall have no effect beyond the jurisdictional boundaries of said Authority Having Jurisdiction. An alternate material or method of construction so approved shall not be considered as in accordance with the requirements, intent, or both of this code for a purpose other than that granted by the Authority Having Jurisdiction where the submitted data does not prove equivalency. 301.3.1 Testing. The Authority Having Jurisdiction shall have the authority to require tests, as proof of equivalency.

    301.3.1.1 Tests. Tests shall be made in accordance with approved or applicable standards, by an approved testing agency at the expense of the applicant. In the absence of such standards, the Authority Having Jurisdiction shall have the authority to specify the test procedure. 301.3.1.2 Request by Authority Having Juris- diction. The Authority Having Jurisdiction shall have the authority to require tests to be made or repeated where there is reason to believe that a material or device no longer is in accordance with the requirements on which its approval was based. **301.4 Flood Hazard Areas.

  • CPC § 301.2 High relevance — show source text

    301.2 Minimum Standards. Pipe, pipe fittings, traps, fixtures, material, and devices used in a plumbing system shall be listed (third-party certified) by a listing agency (accredited conformity assessment body) as complying with the approved applicable recognized standards referenced in this code, and shall be free from defects. Unless otherwise provided for in this code, materials, fixtures, or devices used or entering into the construction of plumbing systems, or parts thereof shall be submitted to the Authority Having Jurisdiction for approval prior to being installed. 301.2.1 Marking. Each length of pipe and each pipe fitting, trap, fixture, material, and device used in a plumbing system shall have cast, stamped, or indelibly marked on it any markings required by the applicable referenced standards and listing agency, and the manufacturer’s mark or name, which shall readily identify the manufacturer to the end user of the product. Where required by the approved standard that applies, the product shall be marked with the weight and the quality of the product. Materials and devices used or entering into the construction of plumbing and drainage systems, or parts thereof shall be marked and identified in a manner satisfactory to the Authority Having Jurisdiction. Such marking shall be done by the manufacturer. Field markings shall not be acceptable.

    Exception: Markings shall not be required on nipples created from cutting and threading of approved pipe.

    301.2.2 Standards. Standards listed or referred to in this chapter or other chapters cover materials that will conform to the requirements of this code, where used in accordance with the limitations imposed in this or other chapters thereof and their listing. Where a standard covers materials of various grades, weights, quality, or configurations, the portion of the listed standard that is applicable shall be used. Design and materials for special conditions or materials not provided for herein shall be permitted to be used by special permission of the Authority Having Jurisdiction after the Authority Having Jurisdiction has been satisfied as to their adequacy. A list of plumbing standards that appear in specific sections of this code is referenced in Table 1701.1. Standards referenced in Table 1701.1 shall be applied as indicated in the applicable referenced section. A list of additional approved standards, publications, practices, and guides that are not referenced in specific sections of this code appear in Table 1701.2. An IAPMO Installation Standard is referenced in Appendix I for the convenience of the users of this code. It is not considered as a part of this code unless formally adopted as such by the Authority Having Jurisdiction.

    301.2.3 Plastic Pipe, Plastic Pipe Fittings, and Components. Plastic pipe, plastic pipe fittings, and components other than those for gas shall comply with NSF/ANSI 14.

    301.2.4 Cast-Iron Soil Pipe, Fittings, and Hubless Couplings. Cast-iron soil pipe, fittings, and hubless couplings shall be third party certified in accordance with ASTM C1277 and CISPI 310 for couplings and ASTM A888, ASTM A74, and CISPI 301 for pipes and fittings. 301.2.5 Existing Buildings. In existing buildings or premises in which plumbing installations are to be altered, repaired, or renovated, the Authority Having Jurisdiction has discretionary powers to permit deviation from the provisions of this code, provided that such proposal to deviate is first submitted for proper determination in order that health and safety requirements, as they pertain to plumbing, shall be observed.

  • CPC § 1.2.3.2 High relevance — show source text

    1.2.3.2 Tests. Whenever there is insufficient evidence of compliance with the provisions of this code, or evidence that a material or method does not conform to the requirements of this code, or in order to substantiate claims for alternative materials or methods, the building official shall have the authority to require tests as evidence of compliance to be made at no expense to the jurisdiction. Test methods shall be as specified in this code or by other recognized test standards. In the absence of recognized and accepted test meth- ods, the building official shall approve the testing procedures. Tests shall be performed by an approved agency. Reports of such tests shall be retained by the building official for the period required for retention of public records.

    SECTION 1.3—BOARD OF STATE AND COMMUNITY CORRECTIONS

    1.3.1 Specific scope of application of the agency responsible for enforcement, the enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

    Application— Local detention facilities.

    Enforcing agency— Board of State and Community Corrections.

    Authority cited— Penal Code Section 6030; Welfare and Institutions Code Sections 207.1, 210 and 885.

    Reference— Penal Code Section 6030; Welfare and Institutions Code Sections 207.1, 210 and 885.

    1.3.2 Adopting agency identification. The provisions of this code applicable to buildings identified in this section will be identified in the Matrix Adoption Tables under the acronym BSCC.

    SECTION 1.4—DEPARTMENT OF CONSUMER AFFAIRS

    1.4.1 Specific scope of application of the agency responsible for enforcement, the enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated. 1. Board of Barbering and Cosmetology.

    Application— Any establishment or mobile unit where barbering, cosmetology or electrolysis is being performed.

    Enforcing agency— State or local agency specified by the applicable provisions of law.

    Authority cited— Business and Professions Code Section 7312.

    Reference— Business and Professions Code Sections 7303, 7303.1, 7312 and 7313.

    2. Acupuncture Board.

    Application— Acupuncture offices.

    Enforcing agency— State or local agency specified by the applicable provisions of law.

    Authority cited— Business and Professions Code Section 4933.

    Reference— Business and Professions Code Sections 4928, 4928.1 and 4933.

    3. Board of Pharmacy.

    Application— Pharmacies.

    Enforcing agency— State or local agency specified by the applicable provisions of law.

    Authority cited— Business and Professions Code Section 4005.

    Reference— Business and Professions Code Sections 4005, 4127.7 and 4201.

    4. Veterinary Medical Board.

    Application— Veterinary facilities.

    Enforcing agency— State or local agency specified by the applicable provisions of law.

  • CPC § 301.3 High relevance — show source text

    301.3 Alternate Materials and Methods of Construction Equivalency. Nothing in this code is intended to prevent the use of systems, methods, or devices of equivalent or superior quality, strength, fire resistance, effectiveness, durability, and safety over those prescribed by this code. Technical documentation shall be submitted to the Authority Having Jurisdiction to demonstrate equivalency prior to installation. The Authority Having Jurisdiction shall have the authority to approve or disapprove the system, method, or device for the intended purpose.

    [HCD 1] (See Section 1.8.7)

    However, the exercise of this discretionary approval by the Authority Having Jurisdiction shall have no effect beyond the jurisdictional boundaries of said Authority Having Jurisdiction. An alternate material or method of construction so approved shall not be considered as in accordance with the requirements, intent, or both of this code for a purpose other than that granted by the Authority Having Jurisdiction where the submitted data does not prove equivalency. 301.3.1 Testing. The Authority Having Jurisdiction shall have the authority to require tests, as proof of equivalency.

    301.3.1.1 Tests. Tests shall be made in accordance with approved or applicable standards, by an approved testing agency at the expense of the applicant. In the absence of such standards, the Authority Having Jurisdiction shall have the authority to specify the test procedure. 301.3.1.2 Request by Authority Having Juris- diction. The Authority Having Jurisdiction shall have the authority to require tests to be made or repeated where there is reason to believe that a material or device no longer is in accordance with the requirements on which its approval was based. 301.4 Flood Hazard Areas. Plumbing systems shall be located above the elevation in accordance with the building code for utilities and attendant equipment or the elevation of the lowest floor, whichever is higher.

    2025 CALIFORNIA PLUMBING CODE 49

    ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

    GENERAL REGULATIONS

    Exception: Plumbing systems shall be permitted to be located below the elevation in accordance with the building code for utilities and attendant equipment or the elevation of the lowest floor, whichever is higher, provided that the systems are designed and installed to prevent water from entering or accumulating within their components, and the systems are constructed to resist hydrostatic and hydrodynamic loads and stresses, including the effects of buoyancy, during the occurrence of flooding to such elevation. 301.4.1 Coastal High Hazard Areas. Plumbing systems in buildings located in coastal high hazard areas shall be in accordance with the requirements of Section 301.4, and plumbing systems, pipes, and fixtures shall not be mounted on or penetrate through walls that are intended to breakaway under flood loads in accordance with the California Building Code or California Resi- dential Code .

    301.5 Alternative Engineered Design. An alternative engineered design shall comply with the intent of the provisions of this code and shall provide an equivalent level of quality, strength, effectiveness, fire resistance, durability, and safety. Material, equipment, or components shall be designed and installed in accordance with the manufacturer’s installa tion instructions.

    301.5.1 Permit Application. The registered design professional shall indicate on the design documents that the plumbing system, or parts thereof, is an alternative engineered design so that it is noted on the construction permit application.

  • CPC § 302.1.2 High relevance — show source text

    302.1.2 Standards. Standards listed or referred to in this chapter or other chapters cover materials that will conform to the requirements of this code, where used in accordance with the limitations imposed in this or other chapters thereof and their listing. Where a standard covers materials of various grades, weights, quality, or configurations, the portion of the listed standard that is applicable shall be used. Design and materials for special conditions or materials not provided for herein shall be permitted to be used by special permission of the Authority Having Jurisdiction after the Authority Having Jurisdiction has been satisfied as to their adequacy. A list of mechanical standards that appear in specific sections of this code is referenced in Table 1801.1. Standards referenced in Table 1801.1 shall be applied as indicated in the applicable referenced section. A list of additional approved standards, publications, practices and guides that are not referenced in specific sections of this code appear in Table 1801.2.

    302.1.3 Existing Buildings. In existing buildings or premises in which mechanical installations are to be altered, repaired, or renovated, the Authority Having Jurisdiction has discretionary powers to permit deviation from the provisions of this code, provided that such proposal to deviate is first submitted for proper determination in order that health and safety requirements, as they pertain to mechanical systems, shall be observed.

    302.2 Alternate Materials and Methods of Construc- tion Equivalency. Nothing in this code is intended to pre

    2025 CALIFORNIA MECHANICAL CODE 51

    ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

    GENERAL REGULATIONS

    vent the use of systems, methods, or devices of equivalent or superior quality, strength, fire resistance, effectiveness, durability, and safety over those prescribed by this code. Technical documentation shall be submitted to the Authority Having Jurisdiction to demonstrate equivalency. The Authority Having Jurisdiction shall have the authority to approve or disapprove the system, method, or device for the intended purpose.

    However, the exercise of this discretionary approval by the Authority Having Jurisdiction shall have no effect beyond the jurisdictional boundaries of said Authority Having Jurisdiction. An alternate material or method of construction so approved shall not be considered as in accordance with the requirements, intent, or both of this code for a purpose other than that granted by the Authority Having Jurisdiction where the submitted data does not prove equivalency.

    302.2.1 Testing. The Authority Having Jurisdiction shall have authority to require tests, as proof of equivalency.

    302.2.1.1 Tests. Tests shall be made in accordance with approved testing standards, by an approved testing agency at the expense of the applicant. In the absence of such standards, the Authority Having Jurisdiction shall have the authority to specify the test procedure.

    302.2.1.2 Request by the Authority Having Jurisdiction. The Authority Having Jurisdiction shall have the authority to require tests to be made or repeated where there is reason to believe that a material or device no longer is in accordance with the requirements on which its approval was based.

    302.3 Alternative Engineered Design. An alternative engineered design shall comply with the intent of the provisions of this code and shall provide an equivalent level of quality, strength, effectiveness, fire resistance, durability, and safety. Material, equipment, or components shall be designed and installed in accordance with the manufacturer’s installa tion instructions.

  • CPC § 18941.8. High relevance — show source text

    — Enforcing agency State or local agency specified by the applicable provisions of law.

    — Authority cited Health and Safety Code Section 18941.8.

    Reference — Health and Safety Code Section 18941.8.

    1.2.2.1 Adopting agency identification. The provisions of this code applicable to buildings identified in this section will be identified in the Matrix Adoption Tables under the acronym BSC-CG .

    1.2.3 Alternative materials, design and methods of construction and equipment. The provisions of this code are not intended to prevent the installation of any material or to prohibit any design or method of construction not specifically prescribed by this code,

    1-6 2025 CALIFORNIA BUILDING CODE

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    ADMINISTRATION

    provided that any such alternative has been approved. An alternative material, design or method of construction shall be approved where the building official finds that the proposed design is satisfactory and complies with the intent of the provisions of this code, and that the material, method or work offered is, for the purpose intended, at least the equivalent of that prescribed in this code in quality, strength, effectiveness, fire resistance, durability and safety.

    1.2.3.1 Research reports. Supporting data, where necessary to assist in the approval of materials or assemblies not specifically provided for in this code, shall consist of valid research reports from approved sources.

    1.2.3.2 Tests. Whenever there is insufficient evidence of compliance with the provisions of this code, or evidence that a material or method does not conform to the requirements of this code, or in order to substantiate claims for alternative materials or methods, the building official shall have the authority to require tests as evidence of compliance to be made at no expense to the jurisdiction. Test methods shall be as specified in this code or by other recognized test standards. In the absence of recognized and accepted test meth- ods, the building official shall approve the testing procedures. Tests shall be performed by an approved agency. Reports of such tests shall be retained by the building official for the period required for retention of public records.

    SECTION 1.3—BOARD OF STATE AND COMMUNITY CORRECTIONS

    1.3.1 Specific scope of application of the agency responsible for enforcement, the enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

    Application— Local detention facilities.

    Enforcing agency— Board of State and Community Corrections.

    Authority cited— Penal Code Section 6030; Welfare and Institutions Code Sections 207.1, 210 and 885.

    Reference— Penal Code Section 6030; Welfare and Institutions Code Sections 207.1, 210 and 885.

    1.3.2 Adopting agency identification. The provisions of this code applicable to buildings identified in this section will be identified in the Matrix Adoption Tables under the acronym BSCC.

    SECTION 1.4—DEPARTMENT OF CONSUMER AFFAIRS

  • CPC § 18941.8. High relevance — show source text

    Authority Cited – Health & Safety Code Section 18941.8.

    Reference – Health & Safety Code Section 18941.8.

    1.2.3 Alternate Materials, Design, and Methods of Con- struction and Equipment. The provisions of this code are not intended to prevent the installation of any material or to pro- hibit any design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved. An alternative material, design or method of construction shall be approved where the building official finds that the proposed design is satisfactory and complies with the intent of the provisions of this code, and that the material, method or work offered is, for the purpose intended, at least the equivalent of that prescribed in this code in qual- ity, strength, effectiveness, fire resistance, durability, and safety.

    1.2.3.1 Research Reports. Supporting data, where nec- essary to assist in the approval of materials or assem- blies not specifically provided for in this code, shall consist of valid research reports from approved sources.

    1.2.3.2 Tests. Whenever there is insufficient evidence of compliance with the provisions of this code, or evidence that a material or method does not conform to the requirements of this code, or in order to substantiate claims for alternative materials or methods, the building official shall have the authority to require tests as evi- dence of compliance to be made at no expense to the jurisdiction. Test methods shall be as specified in this code or by other recognized test standards. In the absence of recognized and accepted test methods, the building official shall approve the testing procedures. Tests shall be performed by an approved agency. Reports of such tests shall be retained by the building official for the period required for retention of public records.

    1.3.0 Board of State and Community Corrections.

    1.3.1 Specific scope of application of the agency responsible for enforcement, the enforcement agency, and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

    Application – Local detention facilities.

    Enforcing Agency – Board of State and Community Cor- rections.

    Authority Cited – Penal Code Section 6030; Welfare and Institutions Code Sections 210 and 885.

    References – Penal Code Section 6030; Welfare and Institutions Code Sections 210 and 885.

    6 2025 CALIFORNIA PLUMBING CODE

    ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

    DIVISION I CALIFORNIA ADMINISTRATION

    1.3.2 Adopting Agency Identification. The provisions of this code applicable to buildings identified in this section will be identified in the Matrix Adoption Tables under the acronym BSCC.

    1.4.0 Department of Consumer Affairs.

    1.4.1 Specific scope of application of the agency responsible for enforcement, the enforcement agency, and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

    Board of Barbering and Cosmetology.

  • CPC § 5.5 High relevance — show source text

    This document describes metering requirements and interconnecting methods on existing service equipment for renewable electrical generation facilities enrolled in the Virtual Net Energy Metering (NEMV/VNEM) program. NEMV installations requires a VNEM meter that only measures the generation produced and must not be tied into any of the individual tenant or common use meters on the premise. The totalized amount of generation registered on the VNEM meter will be shared, through the PG&E billing process, by all tenants at the site.

    General Information

    1. Developers must contact PG&E’s Electric Generation Interconnection (EGI) department and submit all applicable documents for approval before starting any installation.

    2. Submit single line, elevation drawings and detailed pictures showing the point of interconnection. The NEMV point of interconnection will require prior review and approval from all appropriate PG&E departments before any connections can be made.

    3. All installations and equipment must be approved by PG&E and approved by the local (city/county) inspection agency or the Authority Having Jurisdiction (AHJ) before any VNEM meter is set by PG&E.

    4. For any NEMV installation that requires a service disconnect/reconnect, developers must coordinate with the EGI department to request for a local PG&E inspector and metering department to inspect and approve all line side connections before reconnecting service.

    5. Developers must install UL approved service equipment with provisions for making generation interconnections that are not in any PG&E sealed sections and ahead of all tenant/house meters

    Specific Requirements

    1. Applicants will provide, own, and install all equipment except for the PG&E VNEM meter and metering equipment (i.e. current transformers, test switch).

    2. VNEM panels must have test bypass facilities and meet the requirements in Section 5 and 7 of the latest Greenbook.

    3. VNEM panels greater than 200A must meet Greenbook requirements in Section 5, 9 and 10.

    4. VNEM meter height, working space and gas clearances must be maintained as specified in Section 2 and 5 of the Greenbook.

    5. Applicants will pull and connect generation conductors into the panel. Generation conductors in the panel must be clearly labeled “VNEM” at the point of interconnection for PG&E field personnel to identify.

    6. VNEM meter panels must have the generation connected to the LOAD side and the utility grid on the LINE side of the VNEM panel. The PG&E VNEM meter will register in reverse when the generating system is producing.

    7. VNEM meter panels must have proper marking and identification (i.e. apartment number, street number, use, or location). See PG&E Greenbook Section 5.5, “Meter Identification and Seals”.

    Rev. #01: 03−25−22 076249 Page 1 of 7

    Greenbook Virtual Net Energy Metering Installations

    Point of Connection

    1. For underground service multi-meter panels, an acceptable point of connection is,

    A Inside the main switch section, see Figure 1, with approval from the local AHJ, or

    B Install a sealable PG&E approved termination enclosure, see Figure 2. Refer to Document 058817, Terminating Underground Electric Services 0−600 Volts in Customer-Owned Facilities, for termination enclosure specifications and requirements.

    1. For overhead service multi−meter panels, an acceptable point of connection is,
  • CPC § 1-14 High relevance — show source text

    1-14 2025 CALIFORNIA FIRE CODE

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    DIVISION II—SCOPE AND ADMINISTRATION

    [A] 104.2.1 Listed compliance. Where this code or a referenced standard requires equipment, materials, products or services to be listed and a listing standard is specified, the listing shall be based on the specified standard. Where a listing standard is not specified, the listing shall be based on an approved listing criteria. Listings shall be germane to the provision requiring the listing. Installation shall be in accordance with the listing and the manufacturer’s instructions, and where required to verify compliance, the listing standard and manufacturer’s instructions shall be made available to the fire code official.

    [A] 104.2.2 Technical assistance. To determine compliance with this code, the fire code official is authorized to require the owner or owner’s authorized agent to provide a technical opinion and report.

    [A] 104.2.2.1 Cost. A technical opinion and report shall be provided without charge to the jurisdiction.

    [A] 104.2.2.2 Preparer qualifications. The technical opinion and report shall be prepared by a qualified engineer, specialist, laboratory or fire safety specialty organization acceptable to the fire code official. The fire code official is authorized to require design submittals to be prepared by, and bear the stamp of, a registered design professional.

    [A] 104.2.2.3 Content. The technical opinion and report shall analyze the properties of the design, operation or use of the building or premises and the facilities and appurtenances situated thereon to identify and propose necessary recommendations.

    [A] 104.2.2.4 Tests. Where there is insufficient evidence of compliance with the provisions of this code, the fire code official shall have the authority to require tests as evidence of compliance. Test methods shall be as specified in this code or by other recognized test standards. In the absence of recognized test standards, the fire code official shall approve the testing procedures. Such tests shall be performed by a party acceptable to the fire code official.

    [A] 104.2.3 Alternative materials, design and methods of construction and equipment. The provisions of this code are not intended to prevent the installation of any material or to prohibit any design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved.

    Exception: Performance-based alternative materials, designs or methods of construction and equipment complying with the International Code Council Performance Code .

    [A] 104.2.3.1 Approval authority. An alternative material, design or method of construction shall be approved where the fire code official finds that the proposed alternative is satisfactory and complies with Sections 104.2.3.2 through 104.2.3.7, as applicable.

    [A] 104.2.3.2 Application and disposition. Where required, a request to use an alternative material, design or method of construction shall be submitted in writing to the fire code official for approval. Where the alternative material, design or method of construction is not approved, the fire code official shall respond in writing, stating the reasons the alternative was not approved.

    [A] 104.2.3.3 Compliance with code intent. An alternative material, design or method of construction shall comply with the intent of the provisions of this code.

  • CPC § 9-15 Medium relevance — show source text

    . . . . . . . . . . . 060559

    General Information

    PG&E’s preferred distributed generation interconnection is on the load side of the panel, after the service main disconnect. This interconnection is described in National Electrical Code (NEC) 705.

    For supply side interconnections, the following requirements apply:

    1. The interconnection must be between the PG&E Meter and main breaker in the customer’s section of the equipment and not in the PG&E termination, metering, or other sealed compartment or section.

    2. PG&E recommends the interconnection proposal and single line diagrams are pre−approved by their Authority Having Jurisdiction (AHJ).

    3. The AHJ must sign off the building permit for the generation system before PG&E will give the final approval to operate.

    4. Residential “solar ready” service panels designed with a dedicated alternative energy (customer generation) circuit breaker on the supply side of the main breaker is allowable. “Solar ready” panels must be PG&E and EUSERC approved and have factory installed labels showing location and ratings of the generation source.

    5. New pad-mounted (floor-standing) switchboards must have a separate compartment / section dedicated for supply side connections. Or, the switchboard manufacturer may design and install provisions for a supply side connection prior to the switchboard being installed and energized.

    Specific Requirements

    1. When requesting to propose a supply side interconnection, submit the following to the PG&E Electric Generation

    Interconnection (EGI) department:

    A. Single line diagram clearly showing the supply side interconnection.

    B. Photos of the service panel.

    1.Photos must show the whole service panel and all switchboard sections, no close-up photos.

    2.Photos must be marked−up to show where the interconnection will be and how conductors will be routed to the Interconnection Location.

    Rev. #00: 9-15-20 094670 Page 1 of 7

    Greenbook Supply Side Interconnection Requirements for Distributed Generation

    1. Do not route conduit and/or conductors through any PG&E sealed sections for the purpose of interconnection.

    2. A fused AC disconnect switch must be installed within 10 feet and line of sight to the PG&E meter. Refer to

    Document 060559 for AC disconnect requirements .

    1. Figure 1 − Figure 7 on Pages 2 − 7 distinguishes the separation between PG&E and customer sections and the designated Supply Side Interconnection Location s . Interconnections are not allowed in any PG&E sections (shaded grey).

    Supply Side Interconnection Location. Must Have AHJ Approval

    PG&E Sealed Sections (Shaded Grey) No Interconnections

    Allowed

    ÎÎÎÎ

  • CPC § 1.11.0. Medium relevance — show source text

    This state agency does not adopt sections identified with the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.0.

    2025 CALIFORNIA PLUMBING CODE 385

    ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

    386 2025 CALIFORNIA PLUMBING CODE

    ), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

    APPENDIX C

    ALTERNATE PLUMBING SYSTEMS

    The provisions contained in this appendix are not mandatory unless specifically adopted by a state agency, or referenced in the adopting ordinance.

    C 101.0 General.

    C 101.1 Applicability. The intent of this appendix is to provide clarification of procedures for the design and approval of engineered plumbing systems, alternate materials, and equipment not specifically covered in other parts of the code. C 101.2 Provisions. The provisions of this appendix apply to the design, installation, and inspection of an engineered plumbing system, alternate material, and equipment. C 101.3 Authority Having Jurisdiction. The Authority Having Jurisdiction has the right to require descriptive details of an engineered plumbing system, alternate material, or equipment including pertinent technical data to be filed. C 101.4 Standards and Specifications. Components, materials, and equipment shall comply with standards and specifications listed in Chapter 17 of this code and other national consensus standards applicable to plumbing systems and materials.

    C 101.5 Alternate Materials and Equipment. Where such standards and specifications are not available, alternate materials and equipment shall be approved in accordance with the provisions of Section 301.3 of this code.

    C 201.0 Definitions.

    C 201.1 General. For the purpose of this appendix, the following definitions shall apply: Branch Interval. A length of soil or waste stack corresponding in general to a story height, but in no case less than 8 feet (2438 mm), within which the horizontal branches from one floor or story of the building are connected to the stack. Engineered Plumbing System. A system designed for a specific building project with drawings and specifications indicating plumbing materials to be installed, all as prepared by a registered design professional.

    C 301.0 Engineered Plumbing Systems. C 301.1 Inspection and Installation. In other than oneand two-family dwellings, the designer of the system is to provide periodic inspection of the installation on a schedule approved by the Authority Having Jurisdiction. Prior to the final approval, the designer shall verify to the Authority Having Jurisdiction that the installation is in accordance with the approved plans, specifications, and data and such amendments to it. The designer shall certify to the Authority Having Jurisdiction that the installation is in accordance with the applicable engineered design criteria. C 301.2 Owner Information. The designer of the system shall provide the building owner with information concerning the system, considerations applicable for subsequent modifications to the system, and maintenance requirements as applicable.

    C 302.0 Water Heat Exchangers. C 302.1 Protection from Contamination. Heat exchangers used for heat transfer, heat recovery, or solar heating shall protect the potable water system from being contaminated by the heat-transfer medium.

  • CPC § 104.1 Medium relevance — show source text

    SECTION 104—DUTIES AND POWERS OF CODE OFFICIAL

    [A] 104.1 General. The code official is hereby authorized and directed to enforce the provisions of this code.

    [A] 104.2 Determination of compliance. The code official shall have the authority to determine compliance with this code, to render interpretations of this code and to adopt policies and procedures in order to clarify the application of this code’s provisions. Such interpretations, policies, and procedures:

    1. Shall be in compliance with the intent and purpose of this code.
    2. Shall not have the effect of waiving requirements specifically provided for in this code.

    [A] 104.2.1 Listed compliance. Where this code or a referenced standard requires equipment, materials, products or services to be listed and a listing standard is specified, the listing shall be based on the specified standard. Where a listing standard is not specified, the listing shall be based on an approved listing criteria. Listings shall be germane to the provision requiring the listing. Installation shall be in accordance with the listing and the manufacturer’s instructions, and where required to verify compliance, the listing standard and manufacturer’s instructions shall be made available to the code official.

    [A] 104.2.2 Technical assistance. To determine compliance with this code, the code official is authorized to require the owner or owner’s authorized agent to provide a technical opinion and report.

    [A] 104.2.2.1 Cost. A technical opinion and report shall be provided without charge to the jurisdiction.

    [A] 104.2.2.2 Preparer qualifications. The technical opinion and report shall be prepared by a qualified engineer, specialist, laboratory or fire safety specialty organization acceptable to the code official. The code official is authorized to require design submittals to be prepared by, and bear the stamp of, a registered design professional.

    [A] 104.2.2.3 Content. The technical opinion and report shall analyze the properties of the design, operation or use of the building or premises and the facilities and appurtenances situated thereon to identify and propose necessary recommendations.

    [A] 104.2.2.4 Tests. Where there is insufficient evidence of compliance with the provisions of this code, the code official shall have the authority to require tests as evidence of compliance. Test methods shall be as specified in this code or by other recognized test standards. In the absence of recognized test standards, the code official shall approve the testing procedures. Such tests shall be performed by a party acceptable to the code official.

    1-22 2025 CALIFORNIA EXISTING BUILDING CODE

    on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

    ADMINISTRATION

    [A] 104.2.3 Alternative materials, design and methods of construction, and equipment. The provisions of this code are not intended to prevent the installation of any material or to prohibit any design or method of construction not specifically prescribed by this code, provided that any such alternative is not specifically prohibited by this code and has been approved.

    Exception: Performance-based alternative materials, designs or methods of construction and equipment complying with the ICC Performance Code. This exception shall not apply to alternative structural materials or to alternative structural designs.

    [A] 104.2.3.1 Approval authority. An alternative material, design or method of construction shall be approved where the code official finds that the proposed alternative is satisfactory and complies with Sections 104.2.3.2 through 104.2.3.7, as applicable.

Frequently asked questions

When exactly must I submit materials to the AHJ?

Before the material, device, or component is installed — the code requires submission prior to being installed unless a specific section provides an exception. § 301.2

If a product is listed to a national standard, do I still need AHJ approval?

If the product is listed (third‑party certified) to the applicable referenced standard and marked per the standard, that satisfies the listing requirement; otherwise submit to the AHJ. § 301.2 and § 301.2.1

Can the AHJ require tests for a product already listed?

Yes — the AHJ may require tests to demonstrate equivalency or if there’s reason to believe the product no longer conforms to its approval basis. Tests are done by an approved agency and the applicant pays the expense. § 301.3.1 and § 301.3.1.1

Does an AHJ approval travel with the product to other cities?

No — an AHJ approval is effective only within that AHJ’s jurisdictional boundaries. § 301.3

Are field markings acceptable if I label a cut‑to‑length pipe on site?

No — the code requires manufacturer markings; field markings are not acceptable (exception only for nipples cut and threaded from approved pipe). § 301.2.1

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