Palo Alto Municipal Code Ch. 16.16 California Electrical Code, California Code of Regulations, Title 24,…

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* Editor’s Note: Prior ordinance history: Prior code §§ 34.301, 34.302, and Ordinance Nos. 2436, 2600, 2611, 2811, 2960, 2998, 3184, 3332, 3669, 3881, 3913, 4034, 4306, 4561, 4771, 4979, 5103, 5221, 5394 and 5482.

Code of Regs., Title 24, Part 3 adopted and amended.

The California Electrical Code, 2025 Edition, Title 24, Part 3 of the California Code of Regulations together with those omissions, amendments, exceptions and additions thereto, is adopted and hereby incorporated in this chapter by reference and made a part hereof the same as if fully set forth herein.

Unless superseded and expressly repealed, references in City of Palo Alto forms, documents and regulations to the chapters and sections of the former California Code of Regulations, Title 24, 2022, shall be construed to apply to the corresponding provisions contained within the California Code of Regulations, Title 24, 2025. Ordinance No. 5568 of the City of Palo Alto and all other ordinances or parts of ordinances in conflict herewith are hereby suspended and expressly repealed.

Wherever the phrases "California Electrical Code" or "Electrical Code" are used in this code or any ordinance of the City, such phrases shall be deemed and construed to refer and apply to the California Electrical Code, 2025 Edition, as adopted by this chapter.

One copy of the California Electrical Code, 2025 Edition, has been filed for use and examination of the public in the Office of the Chief Building Official of the City of Palo Alto.

(Ord. 5679 § 1 (part), 2025)

The provisions of this chapter contain cross-references to the provisions of the California Electrical Code, 2025 Edition, in order to facilitate reference and comparison to those provisions.

(Ord. 5679 § 1 (part), 2025)

The provisions of this chapter shall constitute local amendments to the cross-referenced provisions of the California Electrical Code, 2025 Edition, and shall be deemed to replace the cross-referenced sections of said Code with the respective provisions set forth in this chapter.

(Ord. 5679 § 1 (part), 2025)

Section 89.101 General of the 2025 California Electrical Code is adopted by the City of Palo Alto as amended herein.

(Ord. 5679 § 1 (part), 2025)

Section 89.101.3.3 is amended as follows (additions underlined; sections omitted without change noted by [. . .]):

The following Annexes of the California Electrical Code, 2025 Edition, are adopted and hereby incorporated in this chapter by reference and made a part hereof the same as if fully set forth herein:

A. Annex B - Application Information for Ampacity Calculations

B. Annex C - Conduit, Tubing, and Cable Tray Fill Tables for Conductors and Fixture Wires of the Same Size

C. Annex I - Unit Recommended Tightening Torque Tables from UL Standard 486A - 486B

(Ord. 5679 § 1 (part), 2025)

Administration and enforcement of this code shall be governed by Chapter 1, Division II of the 2025 California Building Code as amended by Palo Alto Municipal Code Chapter 16.04.

(Ord. 5679 § 1 (part), 2025)

Article 110.13 (A) (1) of Article 110 of the California Electrical Code is added to read:

110.13 (A) (1) Concrete Slab Supporting Electrical Equipment. When electrical equipment is to be placed on a concrete substrate, a 4-inch concrete housekeeping pad shall be installed to elevate and protect the equipment.

(Ord. 5679 § 1 (part), 2025)