Materials, Joints & Components

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

• CMC § 805.4 Medium relevance — show source text

  Col1		Stainless steel worm-drive hose clamps.
  		UV-resistant nylon duct ties.
  	b. Flexible ducts are not constricted in any way.	b. Flexible ducts are not constricted in any way.
  	c. Duct leakage tests performed before access to ductwork and connections are blocked.	c. Duct leakage tests performed before access to ductwork and connections are blocked.
  	d. Joints and seams are not sealed with cloth back rubber adhesive tape unless used in combination with mastic and drawbands.	d. Joints and seams are not sealed with cloth back rubber adhesive tape unless used in combination with mastic and drawbands.
  	e. Duct R-values are verified R-8 per Section E 805.4 through Section E 805.4.2.	e. Duct R-values are verified R-8 per Section E 805.4 through Section E 805.4.2.
  	f. Ductwork located outdoors has insulation that is protected from damage and suitable for outdoor service.	f. Ductwork located outdoors has insulation that is protected from damage and suitable for outdoor service.
  	g. A sticker has been affixed to the exterior surface of the air handler access door per Section E 805.4 through Section E 805.4.2.	g. A sticker has been affixed to the exterior surface of the air handler access door per Section E 805.4 through Section E 805.4.2.

  For SI units: 1 square foot = 0.0929 m [2]

  500 2025 CALIFORNIA MECHANICAL CODE

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  APPENDIX E

  CERTIFICATE OF ACCEPTANCE MECH-4A	Col2
  Air Distribution Systems Acceptance (Page 3 of 3)	Air Distribution Systems Acceptance (Page 3 of 3)
  Project Name/Address:	Project Name/Address:
  System Name or Identification/Tag:	System Location or Area Served:

  Air Distribution System Leakage Diagnostic. The installing contractor must pressure test every new HVAC systems that meet the requirements of Section E 805.4 through Section E 805.4.2 and every retrofit to existing HVAC systems that meet the requirements of Section E 805.4 through Section E 805.4.2.	Col2	Col3	Col4
  RATED FAN FLOW (applies to all systems)	RATED FAN FLOW (applies to all systems)	Measured Values	Measured Values
  1.	Cooling capacity or for heating only units heating capacity.
  	(a) Cooling capacity (for all units but heating only units) in tons.
  	(b) Heating capacity (for heating only units) kBtu/h.
  2.	Fan flow calculation
  	(a) Cooling capacity in tons [ (Line # 1a) x 400 ft3/min/ton].
  	(b) Heating only cap.

• CMC § 3.2 Medium relevance — show source text

  The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall not exceed [1] ⁄ 8 of an inch (3.2 mm) below the rim of the hub. No paint, varnish, or other coatings shall be permitted on the joining material until after the joint has been tested and approved.

  705.2.2 Mechanical Joints and Compression Joints. Mechanical joints for cast-iron pipe and fittings shall be of the elastomeric compression type or mechanical joint couplings. Compression type joints with an elastomeric gasket for cast-iron hub and spigot pipe shall comply with ASTM C564 and be tested in accordance with ASTM C1563. Hub and spigot shall be clean and

  2025 CALIFORNIA PLUMBING CODE 169

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  SANITARY DRAINAGE

  free of dirt, mud, sand, and foreign materials. Cut pipe shall be free from sharp edges. Fold and insert gasket into the hub. Lubricate the joint following manufacturer’s instructions. Insert spigot into hub until the spigot end of the pipe bottom out in the hub. Use the same procedure for the installation of fittings.

  A mechanical joint shielded coupling type for hubless cast-iron pipe and fittings shall have a metallic shield that complies with ASTM A1056, ASTM C1277, ASTM C1540, or CISPI 310. The elastomeric gasket shall comply with ASTM C564. Hubless cast-iron pipe and fittings shall be clean and free of dirt, mud, sand, and foreign materials. Cut pipe shall be free from sharp edges. Gasket shall be placed on the end of the pipe or fitting and the stainless steel shield and clamp assembly on the end of the other pipe or fitting. Pipe or fittings shall be seated against the center stop inside the elastomeric sleeve. Slide the stainless steel shield and clamp assembly into a position centered over the gasket and tighten. Bands shall be tightened using an approved calibrated torque wrench specifically set by the manufacturer of the couplings.

  705.3 Copper or Copper Alloy Pipe (DWV) and Joints. Joining methods for copper or copper alloy pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.3.1 through Section 705.3.4.

  705.3.1 Brazed Joints. Brazed joints between copper or copper alloy pipe and fittings shall be made with brazing alloys having a liquid temperature above 1000°F (538°C). The joint surfaces to be brazed shall be cleaned bright by either manual or mechanical means. Piping shall be cut square and reamed to full inside diameter. Brazing flux shall be applied to the joint surfaces where required by manufacturer’s recommendation. Brazing filler metal shall conform to AWS A5.8 and shall be

  applied at the point where the pipe or tubing enters the socket of the fitting.

  705.3.2 Mechanical Joints. Mechanical joints in copper or copper alloy piping shall be made with a mechanical coupling with grooved end piping or approved joint designed for the specific application.

• CMC § 1210.3 Medium relevance — show source text

  1210.3 Hangers and Supports. Pipe and tubing shall be supported in accordance with Section 313.0. Equipment that is part of the piping system shall be provided with additional support in accordance with this code and manufacturer’s installation instructions. Radiant systems utilizing heat emission or transfer plates shall have a gap of at least ¼ inch (6.4 mm) between adjacent plates. 1210.4 Oxygen Diffusion Corrosion. PEX and PE-RT tubing in closed hydronic systems shall contain an oxygen barrier. 1210.4.1 Vented Closed-Loop Systems. All components installed in a vented closed-loop system shall be constructed of non-ferrous or other corrosion resistant

  materials.

  1210.4.2 Non-Oxygen Barrier Closed-Loop Sys- tems. All components installed in a non-oxygen barrier system shall be constructed of non-ferrous or other corrosion resistant materials.

  1211.0 Joints and Connections.

  1211.1 General. Joints and connections shall be of an approved type. Joints shall be gas and watertight and designed for the pressure of the hydronic system. Changes in direction shall be made by the use of fittings or with pipe bends. Joints between pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions. Joints used underground shall be of an approved type for buried applications in accordance with Section 1221.2.3.

  1211.2 Pipe Bends. Pipe bends shall be formed in accordance with Section 1211.2.1 for PEX or Section 1211.2.2 for

  PE.

  1211.2.1 Crosslinked Polyethylene (PEX) Tubing. Crosslinked polyethylene (PEX) tubing bends shall have a bend radius of not less than eight times the outside diameter of the tubing or shall be in accordance with the manufacturer’s installation instructions.

  1211.2.2 Polyethylene (PE) Plastic Pipe/Tubing. Polyethylene pipe and tubing bends shall have a bend radius in accordance with Table 1211.2.2. When a fitting or flange connection is present in the pipe bend, the minimum bend radius shall be one hundred times the pipe outside diameter (OD) for a distance of five times the pipe diameter on either side of the fitting location.

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  1208.2 Mounting. The circulator or pump shall be installed in such a way that strain from the piping is not transferred to the circulator or pump housing. The circulator or pump shall be permitted to be directly connected to the piping, provided the piping is supported on each side of the circulator or pump. Where the installation of a circulator or pump will cause strain on the piping, the circulator or pump shall be installed on a mounting bracket or base plate or securely fastened to or supported by the structure with approved fastening devices. Where means for controlling vibration of a circulator or pump is required, an approved means for support and restraint shall be provided. 1208.3 Sizing. The selection and sizing of a circulator or pump shall be based on all of the following: (1) Loop or system head pressure, feet of head (m) (2) Capacity, gallons per minute (L/s) (3) Maximum and minimum temperature, °F (°C) (4) Maximum working pressure, pounds per square inch (kPa) (5) Fluid type

  1209.0 Expansion Tanks. **1209.1 General.

• CMC § 705.1.2 Medium relevance — show source text

  705.1.2 Solvent Cement Joints. Solvent cement joints for ABS pipe and fittings shall be clean from dirt and moisture. Pipe shall be cut square and shall be deburred. Where surfaces to be joined are cleaned, and free of dirt, moisture, oil, and other foreign material, the solvent cement that complies with ASTM D2235 shall be applied to all joint surfaces. Joints shall be made while both the inside socket surface and outside surface of pipe are wet with solvent cement. Hold joint in place and undisturbed for 1 minute after assembly. [HCD 1 & HCD 2] Plastic pipe and fittings joined with solvent cement shall utilize Low VOC primer(s), if a primer is required, and Low VOC cement(s) as defined in Section 214.0.

  705.1.3 Threaded Joints. Threads shall comply with ASME B1.20.1. A minimum of Schedule 80 shall be permitted to be threaded. Molded threads on adapter fittings for the transition to threaded joints shall be permitted. Thread sealant compound shall be applied to male threads, insoluble in water, and nontoxic. The joint between the pipe and transition fitting shall be of the solvent cement type. Caution shall be used during assembly to prevent over tightening of the ABS components once the thread sealant compound has been applied. 705.2 Cast-Iron Pipe and Joints. Joining methods for cast-iron pipe and fittings shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 705.2.1 or Section 705.2.2. 705.2.1 Caulked Joints. Caulked joints shall be firmly packed with oakum or hemp and filled with molten lead to a depth of not less than 1 inch (25.4 mm) in one continuous pour. The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall not exceed [1] ⁄ 8 of an inch (3.2 mm) below the rim of the hub. No paint, varnish, or other coatings shall be permitted on the joining material until after the joint has been tested and approved.

  705.2.2 Mechanical Joints and Compression Joints. Mechanical joints for cast-iron pipe and fittings shall be of the elastomeric compression type or mechanical joint couplings. Compression type joints with an elastomeric gasket for cast-iron hub and spigot pipe shall comply with ASTM C564 and be tested in accordance with ASTM C1563. Hub and spigot shall be clean and

  2025 CALIFORNIA PLUMBING CODE 169

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  SANITARY DRAINAGE

  free of dirt, mud, sand, and foreign materials. Cut pipe shall be free from sharp edges. Fold and insert gasket into the hub. Lubricate the joint following manufacturer’s instructions. Insert spigot into hub until the spigot end of the pipe bottom out in the hub. Use the same procedure for the installation of fittings.

  A mechanical joint shielded coupling type for hubless cast-iron pipe and fittings shall have a metallic shield that complies with ASTM A1056, ASTM C1277, ASTM C1540, or CISPI 310.

• CMC § 705.8.1 Medium relevance — show source text

  705.8.1 Mechanical Joints. Mechanical joints shall be designed to provide a permanent seal and shall be of the mechanical or push-on joint type. The push-on joint shall include an elastomeric gasket that complies with ASTM C425 and shall provide a compressive force against the spigot and socket after assembly to provide a permanent seal. 705.9 Special Joints. Special joints shall comply with Section 705.9.1 through Section 705.9.4. 705.9.1 Slip Joints. In fixture drains and traps, slip joints of approved materials shall be permitted to be used in accordance with their approvals. 705.9.2 Expansion Joints. Expansion joints shall be accessible, except where in vent piping or drainage stacks, and shall be permitted to be used where necessary to provide for expansion and contraction of the pipes.

  705.9.3 Ground Joint, Flared, or Ferrule Con- nections. Copper or copper alloy ground joint flared, or ferrule-type connections that allow adjustment of tubing, but provide a rigid joint where made up, shall not be considered as slip joints.

  705.9.4 Transition Joint. A solvent cement transition joint between ABS and PVC building drain and building sewer shall be made using listed transition solvent cement in accordance with ASTM D3138.

  [HCD 1 & HCD 2] Plastic pipe and fittings joined with solvent cement shall utilize Low VOC primer(s), if a primer is required, and Low VOC cement(s) as defined in Section 214.0.

  705.10 Joints Between Various Materials. Joints

  between various materials shall be installed in accordance

  with the manufacturer’s installation instructions and with Section 705.10.1 through Section 705.10.4. Mechanical couplings used to join different materials shall comply with ASTM C1173 for belowground use, ASTM C1460 for aboveground use, or ASTM C1461 for aboveground and belowground use. 705.10.1 Copper or Copper Alloy Pipe to Cast- Iron Pipe. Joints from copper or copper alloy pipe or tubing to cast-iron pipe shall be made with a listed compression-type joint or copper alloy ferrule. The copper or copper alloy pipe or tubing shall be soldered or brazed to the ferrule, and the ferrule shall be joined to the castiron hub by a compression or caulked joint.

  2025 CALIFORNIA PLUMBING CODE 171

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  SANITARY DRAINAGE

  705.10.2 Copper or Copper Alloy Pipe to Threaded Pipe Joints. Joints from copper or copper alloy pipe or tubing to threaded pipe shall be made by the use of a listed copper alloy adapter or dielectric fitting. The joint between the copper or copper alloy pipe and the fitting shall be a soldered or brazed, and the connection between the threaded and the fittings shall be made with a standard pipe size threaded joint. 705.10.3 Plastic Pipe to Other Materials. Where connecting plastic pipe to other types of plastic or other types of piping material; approved listed adapter or transition fittings and listed for the specific transition intended shall be used. Except as provided in Section 705.9.4, PVC and ABS pipe and fittings shall not be solvent welded to any other unlike material. **705.10.4 Stainless Steel Pipe to Other Materials.

• CMC § 120.4 Medium relevance — show source text

  Nonresidential and hotel/motel buildings shall comply with the applicable requirements of Sections 120.4(a) through 120.4(g).

  Exception to Section 120.4: Systems serving healthcare facilities shall comply with the applicable requirements of the California Mechanical Code.

  (a) CMC compliance. All air distribution system ducts and plenums, including but not limited to building cavities, mechanical closets, air-handler boxes and support platforms used as ducts or plenums, shall meet the requirements of the CMC Sections 601.0, 602.0, 603.0, 604.0, and 605.0, and ANSI/SMACNA-006-2006 HVAC Duct Construction Standards Metal and Flexible, 3rd Edition incorporated herein by reference. Connections of metal ducts and the inner core of flexible ducts shall be mechanically fastened. Openings shall be sealed with mastic, tape, aerosol sealant or other duct-closure system that meets the applicable requirements of UL 181, UL 181A, or UL 181B. If mastic or tape is used to seal openings greater than [1] / 4 inch, the combination of mastic and either mesh or tape shall be used.

  Portions of supply-air and return-air ducts conveying heated or cooled air located in one or more of the following spaces shall be insulated to a minimum installed level of R-8:

  1. Outdoors; or

  2. In a space between the roof and an insulated ceiling; or

  3. In a space directly under a roof with fixed vents or openings to the outside or unconditioned spaces; or

  4. In an unconditioned crawlspace; or

  5. In other unconditioned spaces.

  2025 CALIFORNIA ENERGY CODE 77

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

  NONRESIDENTIAL, HOTEL/MOTEL OCCUPANCIES, AND COVERED PROCESSES—MANDATORY REQUIREMENTS

  Portions of supply-air ducts that are not in one of these spaces, including ducts buried in concrete slab, shall be insulated to a minimum installed level of R-4.2 or be enclosed in directly conditioned space.

  (b) Duct and plenum materials.

  1. Factory-fabricated duct systems. A. All factory-fabricated duct systems shall comply with UL 181 for ducts and closure systems, including collars, connections and splices, and be labeled as complying with UL 181. UL 181 testing may be performed by UL laboratories or a laboratory approved by the Executive Director. B. All pressure-sensitive tapes, heat-activated tapes, and mastics used in the manufacture of rigid fiberglass ducts shall comply with UL 181 and UL 181A. C. All pressure-sensitive tapes and mastics used with flexible ducts shall comply with UL 181 and UL 181B. D. All ductwork and plenums with pressure class ratings shall be constructed to Seal Class A. Joints and seams of duct systems and their components shall not be sealed with cloth-back rubber adhesive duct tapes unless such tape is used in combination with mastic and drawbands.

  Exception to Section 120.4(b)1D: Ductwork located in occupied space and exposed to view is not required to meet Seal Class A.

• CMC § 04-15 Medium relevance — show source text

  . . . . . . . . . 063928

  Table	1 Description of Items to be Furnished and Installed by Customer
  Item	Description
  1	Option 1: Meter Adapter, Cooper B-Line Cat. No. MARR20L45GRSD (160A) Use with Customer’s Panel Rated at 160A Continuous1, 2
  1	Option 2: Meter Adapter, Ekstrom Industries No. 722B (175A). Specify Left, Right, or Bottom Hub
  2	Combination Service Meter and Breaker Panel (rating as required)
  3	Pull Termination Box, 8” x 12” x 4”, Rain-Tight, Circle A-W (Cooper B-Line) No. R-9007A or Equivalent (see Note 4M on Page 2)
  4	Conduit, See Notes 4C and 4G on Page 1
  5	Hub to Be Closed and Made Tamper Proof
  6	Pull Termination Box, 12” x 26” x 6”, Rain-Tight, Circle A-W Catalog Number R-90008, or Equivalent (see Note 4K on Page 2)

  1 Fifth jaw accessory, use Cooper B-Line Cat. No. 50365. 2 Reducer hub and gasket accessories for 2” conduit, use Cooper B-Line Cat. No. AW200 and 12750A.

  061032 Page 2 of 4 Rev. #04: 04-15-11

  UG-1: Services Greenbook Residential and Small Commercial Overhead to Underground Electric Service Conversion

  Optional Removable by Customer To Be Removed by PG&E Meter Socket (see Figure 2 through Figure 7 on Pages 3 through 4) For Riser and Pull Box Detail (see Figure 2 through Figure 7 on Pages 3 through 4) For Gas and Water Sealing Requirements, see Documents 063927 and Document 063928 48” Min. 72” Max. Customer Shall Dig and Backfill Trench (see Note 4B on Page 1) Min. Bend Depth To PG&E Distribution System As required by	Col2	Col3
  Customer Shall Dig and Backfill Trench (see Note 4B on Page 1) For Riser and Pull Box Detail (see Figure 2 through Figure 7 on Pages 3 through 4) Meter Socket (see Figure 2 through Figure 7 on Pages 3 through 4) To Be Removed by PG&E For Gas and Water Sealing Requirements, seeDocuments 063927 andDocument 063928 To PG&E Distribution System Optional Removable by Customer 48” Min. 72” Max. As required by Min. Bend Depth

  Document 063927 and Document 063928

  Figure 1 Typical Service Conversion

  PG&E Service Termination Point

  See Note 4K on Page 2

  PG&E Service Termination Point (see Note 4L on Page 2)

• CMC § 701.6.1 Medium relevance — show source text

  701.6.1 Recordkeeping. Records of all required system inspections, testing, repairs and maintenance shall be maintained in accordance with Section 110.3.

  701.7 Unsafe conditions. Where any components in this chapter are not maintained and do not function as intended or do not have the fire resistance or the resistance to the passage of smoke required by the code under which the building was constructed, remodeled or altered, such component(s) or portion thereof shall be deemed an unsafe condition, in accordance with Section 115.1.1. Components or portions thereof determined to be unsafe shall be repaired or replaced to conform to that code under which the building was constructed, remodeled or altered or this chapter, as deemed appropriate by the fire code official.

  Where the condition of components is such that any building, structure or portion thereof presents an imminent danger to the occupants of the building, structure or portion thereof, the fire code official shall act in accordance with Section 115.2.

  SECTION 702—DEFINITIONS

  702.1 Definitions. The following terms are defined in Chapter 2:

  DRAFTSTOP.

  FIREBLOCKING.

  MEMBRANE-PENETRATION FIRESTOP SYSTEM.

  OPENING PROTECTIVE.

  SMOKE BARRIER.

  SMOKE PARTITION.

  THROUGH-PENETRATION FIRESTOP SYSTEM.

  2025 CALIFORNIA FIRE CODE 7-3

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

  FIRE AND SMOKE PROTECTION FEATURES

  SECTION 703—PENETRATIONS

  703.1 Maintaining protection. Materials and firestop systems used to protect membrane and through penetrations in fire-resistance-rated construction and construction installed to resist the passage of smoke shall be maintained. The materials and firestop systems shall be securely attached to or bonded to the construction being penetrated with no openings visible through or into the cavity of the construction. Where the system design number is known, the system shall be inspected to the listing criteria and manufacturer’s installation instructions.

  703.2 Repair of penetrations. Where damaged, materials used to protect membrane- and through-penetrations shall be replaced or restored with materials or systems that meet or exceed the code requirements applicable at the time when the assembly was constructed, remodeled or altered.

  SECTION 704—JOINTS AND VOIDS

  704.1 Maintaining protection. Where required when the building was originally constructed, materials and systems used to protect joints and voids in the following locations shall be maintained. The materials and systems shall be securely attached to or bonded to the adjacent construction, without openings visible through the construction.

  1. Joints in or between fire-resistance-rated walls, floors or floor/ceiling assemblies and roof or roof/ceiling assemblies.

  2. Joints in smoke barriers.

  3. Voids at the intersection of a horizontal floor assembly and an exterior curtain wall.

  4. Voids at the intersection of a horizontal smoke barrier and an exterior curtain wall.

  5. Voids at the intersection of a nonfire-resistance-rated floor assembly and an exterior curtain wall.

  6. Voids at the intersection of a vertical fire barrier and an exterior curtain wall.

  7. Voids at the intersection of a vertical fire barrier and a nonfire-resistance-rated roof assembly.

  Unprotected joints and voids do not need to be protected where such joints and voids were not required to be protected when the building was originally constructed. Where the system design number is known, the system shall be inspected to the listing criteria and manufacturer’s installation instructions.

• CMC § 04-15 Medium relevance — show source text

  . . . . . . . . . . . . . . . . . . . UG-1: Services/Greenbook . . . . . . . . . . . . . . . . . . 063927 Methods and Requirements for Installing Commercial Underground Electric Services 0−600 Volts to Customer-Owned Facilities . . . . . . . . . . . . . . . . . . . . UG-1: Services/Greenbook . . . . . . . . . . . . . . . . . . 063928

  Table	1 Description of Items to be Furnished and Installed by Customer
  Item	Description
  1	Option 1: Meter Adapter, Cooper B-Line Cat. No. MARR20L45GRSD (160A) Use with Customer’s Panel Rated at 160A Continuous1, 2
  1	Option 2: Meter Adapter, Ekstrom Industries No. 722B (175A). Specify Left, Right, or Bottom Hub
  2	Combination Service Meter and Breaker Panel (rating as required)
  3	Pull Termination Box, 8” x 12” x 4”, Rain-Tight, Circle A-W (Cooper B-Line) No. R-9007A or Equivalent (see Note 4M on Page 2)
  4	Conduit, See Notes 4C and 4G on Page 1
  5	Hub to Be Closed and Made Tamper Proof
  6	Pull Termination Box, 12” x 26” x 6”, Rain-Tight, Circle A-W Catalog Number R-90008, or Equivalent (see Note 4K on Page 2)

  1 Fifth jaw accessory, use Cooper B-Line Cat. No. 50365. 2 Reducer hub and gasket accessories for 2” conduit, use Cooper B-Line Cat. No. AW200 and 12750A.

  061032 Page 2 of 4 Rev. #04: 04-15-11

  UG-1: Services Greenbook Residential and Small Commercial Overhead to Underground Electric Service Conversion

• CMC § 605.6.2 Medium relevance — show source text

  605.6.2 Mechanical Joints. Mechanical joints between PE pipe or tubing and fittings shall include insert and mechanical compression fittings that provide a pressure seal resistance to pullout. Joints for insert fittings shall be made by cutting the pipe square, using a cutter designed for plastic piping, and removal of sharp edges. Two stainless steel clamps shall be placed over the end of the pipe. Fittings shall be checked for proper size based on the diameter of the pipe. The end of pipe shall be placed over the barbed insert fitting, making contact with the fitting shoulder. Clamps shall be positioned equal to 180 degrees (3.14 rad) apart and shall be tightened to provide a leak tight joint. Compression type couplings and fittings shall be permitted for use in joining PE piping and tubing. Stiffeners that extend beyond the

  clamp or nut shall be prohibited. Bends shall be not less than 30 pipe diameters, or the coil radius where bending with the coil. Bends shall not be permitted closer than 10 pipe diameters of a fitting or valve. Mechanical joints shall be designed for their intended use. 605.7 PE-AL-PE Plastic Pipe/Tubing and Joints. PEAL-PE plastic pipe or tubing and fitting joining methods shall be installed in accordance with the manufacturer’s installation instructions and shall comply with Section 605.7.1 and Section 605.7.1.1.

  605.7.1 Mechanical Joints. Mechanical joints for PEAL-PE pipe or tubing and fittings shall be either of the metal insert fittings with a split ring and compression nut or metal insert fittings with copper crimp rings. Metal insert fittings shall comply with ASTM F1974. Crimp insert fittings shall be joined to the pipe by placing the copper crimp ring around the outer circumference of the pipe, forcing the pipe material into the space formed by the ribs on the fitting until the pipe contacts the shoulder of the fitting. The crimp ring shall then be positioned on the pipe so the edge of the crimp ring is [1] ⁄ 8 of an inch (3.2 mm) to [1] ⁄ 4 of an inch (6.4 mm) from the end of the pipe. The jaws of the crimping tool shall be centered over the crimp ring and tool perpendicular to the barb. The jaws shall be closed around the crimp ring and shall not be crimped more than once. 605.7.1.1 Compression Joints. Compression joints for PE-AL-PE pipe or tubing and fittings shall be joined through the compression of a split ring, by a compression nut around the circumference of the pipe. The compression nut and split ring shall be placed around the pipe. The ribbed end of the fitting shall be inserted into the pipe until the pipe contacts the shoulder of the fitting. Position and compress the split ring by tightening the compression nut onto the insert fitting. 605.8 PE-RT. Polyethylene of raised temperature (PE-RT) tubing and fitting joining methods and shall comply with Section 605.8.1.

  605.8.1 Mechanical Joints. Fittings for PE-RT tubing shall comply with the applicable standards listed in Table 604.1. Mechanical joints for PE-RT tubing shall be installed in accordance with the manufacturer’s instal lation instructions.

• CMC § 6.3.1. Medium relevance — show source text

  6.3.1.|The fastening system shall resist the wind forces in Section 1609.6.3.1.| |130|0-60|The fastening system shall resist the wind forces in Section 1609.6.3.1.|The fastening system shall resist the wind forces in Section 1609.6.3.1.|The fastening system shall resist the wind forces in Section 1609.6.3.1.| |All|> 60|The fastening system shall resist the wind forces in Section 1609.6.3.1.|The fastening system shall resist the wind forces in Section 1609.6.3.1.|The fastening system shall resist the wind forces in Section 1609.6.3.1.| |INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGSd, e
  (Installations on spaced/solid sheathing with battens or spaced sheathing)|INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGSd, e
  (Installations on spaced/solid sheathing with battens or spaced sheathing)|INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGSd, e
  (Installations on spaced/solid sheathing with battens or spaced sheathing)|INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGSd, e
  (Installations on spaced/solid sheathing with battens or spaced sheathing)|INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGSd, e
  (Installations on spaced/solid sheathing with battens or spaced sheathing)| |Maximum Allow-
  able Stress Design
  Wind Speed,****Vasd
  f
  (mph)|Mean roof
  height (feet)|Roof slope < 5:12|Roof slope 5:12 < 12:12|Roof slope 12:12 and over| |85|0-60|Fasteners are not required.
  Tiles with installed weight less
  than 9 lbs./sq. ft. require not
  fewer than one fastener per tile.|One fastener per tile every other
  row. Perimeter tiles require one
  fastener. Tiles with installed weight
  less than 9 lbs./sq. ft. require not
  fewer than one fastener per tile.|One fastener required for
  every tile. Tiles with
  installed weight less than 9
  lbs./sq. ft. require not fewer
  than one fastener per tile.| |100|0-40|0-40|0-40|0-40| |100|> 40-60|The head of all tiles shall be nailed. The nose of all eave tiles shall be fastened with approved clips.
  Rake5 tiles shall be nailed with two nails. The nose of all ridge, hip and rake tiles shall be set in a bead
  of roofer’s mastic.|The head of all tiles shall be nailed. The nose of all eave tiles shall be fastened with approved clips.
  Rake5 tiles shall be nailed with two nails.

• CMC § 9-11 Medium relevance — show source text

  
  9”||||||

  Col1	Col2	Col3
  /8”	/8”	/8”
  8”	8”

  9/16”

  Bus Drilling Detail

  Figure 9-11 Bused CT Cabinet (4-Wire Service, 400 Amps Max)

  9-9 2022 – 2023

  Section 9, Electric Metering: Components and Cable Terminating Facilities

  9.9. Meter Box for Transformer-Rated Metering

  Applicants must ensure that meter socket jaw requirements and connections are made according to the rules in Section 5, “Electric Metering: General,” Subsection 5.6., “Meter Types and Connections,” on Page 5-26.

  Horizontal Lay-In Bonding Lug With #8 Min. Wire Capacity

  3/4” Wire Pulling Space

  Caution Sign “DO NOT BREAK SEALS,

  NO FUSES INSIDE”

  Hub 12” Min.	12” Min.	Col3	Hub	Col5	Col6
  Front Seal ALS, E” Hub 3” 3” 1-3/4” Max. 5” See Note 1 9” 2 11”			Hub	Hub	Hub
  Front Seal ALS, E” Hub 3” 3” 1-3/4” Max. 5” See Note 1 9” 2 11”				9” 2 1”
  Front Seal ALS, E” Hub 3” 3” 1-3/4” Max. 5” See Note 1 9” 2 11”
  Front Seal ALS, E” Hub 3” 3” 1-3/4” Max. 5” See Note 1 9” 2 11”
  Front Seal ALS, E” Hub 3” 3” 1-3/4” Max. 5” See Note 1 9” 2 11”	See Note 1	See Note 1
  Front Seal ALS, E” Hub 3” 3” 1-3/4” Max. 5” See Note 1 9” 2 11”	1-3/4”	1-3/4”	Max.	Max.	Max.

  2 K.O. (See Note 2)

  4-1/2”