San Francisco County Municipal Code Art. 760 Fire Alarm Systems

760.46 Revise this section as follows:

760.46 NPLFA Circuit Wiring. Installation of non-power-limited fire alarm circuits shall be in accordance with 110.3(B), 300.7, 300.11, 300.15, 300.17, 300.19(B), and other appropriate articles of Chapter 3. Conductors shall be installed in metallic raceways or concrete-encased nonmetallic raceways. Exception No. 1: As provided in Sections 760.48 through 760.53. [ ← ] [Editor’s Note: Exception 2 is deleted by local amendment.] 760.130(A) Revise Exception No. 2 of this section as follows: (A) NPLFA Wiring Methods and Materials. [ ← ] Installation shall be [ ← ] in accordance with 760.46, [ ← ] and conductors shall be solid or stranded copper. [ ← ]
Exception No. 2: Conductors and multiconductor cables described in and installed in accordance with 760.49 shall be permitted. 760.130(B) Revise the first paragraph of this section as follows: 760.130(B) PLFA Wiring Methods and Materials. Power-limited fire alarm conductors and cables described in 760.179 shall be installed [ ← ] in metallic raceway in accordance with 760.46. Devices shall be installed in accordance with 110.3(B), 300.7, 300.11(A), and 300.15.

(A) Supervising Station Fire Alarm Systems. Supervising station fire alarm system wiring installed within or on buildings shall be installed in metallic race ways. Exception: Communication conductors installed entirely within a dedicated telephone equipment room, switchboard area or fire control room. (B) Source of Power. Circuits supplying fire alarm control units that are not monitored by an approved supervising station, or a constantly attended location approved by the fire code official shall be connected to either the line or load side of the service disconnect. Circuits shall be protected by means of an externally operated fused safety switch or a circuit breaker either in a separate enclosure or within a switchboard entirely separate from other circuit breakers. The switch and/or circuit breaker shall be clearly labeled and locked in the on position. Informational Note: See CEC (2025) 760.41 & 760.121; CBC (2025) 903.4; NFPA 72 (2016) 10.5.3; NFPA 13 (2016) 6.8.4.1 Chapter 8. Communications Systems No San Francisco Electrical Code Amendments Chapter 9. Tables No San Francisco Electrical Code Amendments