Step 5 turn the breaker back on and move to the next until you find the one that operates the alarm.
Fire alarm circuit breaker identification.
760 30 fire alarm circuit identification.
The marking may not obscure the circuit breaker markings.
10 6 5 2 2 circuit identification 10 6 5 4 circuit breaker lock 10 8 condition detection signaling 10 9 responses 10 18 3 2 annunciator location 10 22 unwanted alarm reporting fundamentals chapter 10 2013 edition changes to circuit breaker identification fire alarm emergency communications.
We have breaker panels in locked rooms with breakers feeding fire systems in the hospital do i need a locking device on the breakers that feed fire.
Breaker locks are required when the circuit breaker serves as the disconnecting means nfpa 72 10 6 5 4.
However i t is not a good idea to paint a circuit breaker s handle with red paint even fingernail polish advertised as one that won t run chip crack or peel because it still might get into the breaker and.
Go back to the electrical panel box and turn off one circuit breaker.
If it stops chirping or the led light is no longer lit you found the correct circuit breaker.
The only thing required to be the color red in commercial fire alarm systems by nfpa 72 is the circuit disconnect means.
When you find it make a notation on the electrical panel door.
Power requirements for fire alarm and signaling systems are specified in the national fire alarm and signaling code.
Further if a circuit breaker a listed handle locking device must be.
Per nec article 760 30 the fire alarm circuits must be marked at terminal and junction locations.
Before after amperes poles kaic catalog number bolt on fire alarm circuit breaker 15 1 10 babf1015 20 1 10 babf1020 plug on fire alarm circuit breaker 15 1 10 brf115 20 1 10 brf120 15 1 10 chf115f 20 1 10 chf120f.
Where primary and secondary power supplies are used the secondary supply can consist of batteries or batteries plus a standby generator.
The identification must be in such a manner that will help to prevent unintentional signals on the fire alarm system circuits during testing and servicing of other systems.
Fire alarm circuits must be identified at terminal and junction locations.
3 the code requires a system to have either two sources of power primary and secondary or a single uninterruptible power supply ups.