No San Francisco Electrical Code Amendments

San Francisco, California

EXISTING BUILDING CODE 2025 Edition

PUBLISHER’S NOTE

PUBLISHER’S NOTE

The full 2025 San Francisco Existing Building Code consists of the 2025 California Existing Building Code, and as further amended by these San Francisco amendments.

The San Francisco Existing Building Code amendments contained herein are designed to be used in conjunction with the 2025 California Existing Building Code.

The San Francisco Existing Building Code amendments contained herein were adopted by the Board of Supervisors of the City and County of San Francisco on November 21, 2025, by Ordinance 230-25, effective December 22, 2025, and operative January 1, 2026.

<!Text read from an image; its layout may differ:
> 2025 California Existing Building Code
Complete
+ ' '
San Francisco
Existing Building Code
{ } }
2025 San Francisco Amendments
<!>

Note that prior to the 2016 revision of the Building Inspection Commission Codes, San Francisco’s existing building requirements were published as Chapter 34 of the San Francisco Building Code.

Supplements to this Code and complete copies of all seven

Building Inspection Commission (BIC) Codes

(Building, Electrical, Existing Building, Green Building, Housing, Mechanical, and Plumbing)

can be ordered from:

AMERICAN LEGAL PUBLISHING CORPORATION

Cincinnati, Ohio 45202

800-445-5588

Fax: 513-763-3562

www.amlegal.com

PREFACE

PREFACE

Text Format:

The text in this publication is formatted to allow the user to quickly and easily determine the source of the included material. Language derived from the 2025 California Code that is unchanged by local amendment is printed in shaded text (see below). Language constituting San Francisco amendments to the California Code is printed in unformatted (or “plain”) text. In either case, bold and/or italic typefaces may be used as appropriate for emphasis, etc. See below for examples.

To further simplify use of the San Francisco amendments with corresponding sections of the 2025 California Code, explanatory remarks appearing in italics are provided (in boxes at the beginning of affected provisions) indicating whether the San Francisco amendment to the California Code is adding, revising, or replacing a section or portion of a section.

To summarize:

Explanatory remarks are boxed and italicized.

Unchanged language from the 2025 California Code is shaded, and may include bold and/or italicized formatting. San Francisco amendments are printed in unformatted (“plain”) text, and may include bold and/or italicized formatting.

Marginal Markings:

[ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

An arrow represents the location of language that has been deleted by San Francisco from the 2025 California Code. A solid line represents a change from the original published edition of the 202% San Francisco Existing Building Code.

Historical Notations:

Language which has been added, amended, or deleted from the 2025 publication of the San Francisco Existing Building Code is indicated with an historical notation, setting forth the ordinance number and date of adoption.

Chapter 1 SCOPE AND ADMINISTRATION

Chapter 1 SCOPE AND ADMINISTRATION

No San Francisco Amendments.

Chapter 2 DEFINITIONS

Chapter 2 DEFINITIONS

SECTION 202 – GENERAL DEFINITIONS

New Ordinance Notice

Publisher's Note: This section has been AMENDED by new legislation (Ord. 174-25 , approved 9/9/2025, effective 10/10/2025). The text of the amendment will be incorporated when the amending legislation is operative. Revise this definition as follows:

SUBSTANTIAL STRUCTURAL ALTERATION. An alteration in which the gravity load-carrying structural elements altered [ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

since the original construction support more than 30 percent of the total floor and roof area of the building or structure. The areas to be counted toward the 30 percent shall include mezzanines, penthouses, and in-filled courts and shafts tributary to the altered structural elements.

Chapter 3 PROVISIONS FOR ALL COMPLIANCE METHODS