Go back to the electrical panel box and turn off one circuit breaker.
Fire alarm circuit breaker identification.
Breaker locks are required when the circuit breaker serves as the disconnecting means nfpa 72 10 6 5 4.
Further if a circuit breaker a listed handle locking device must be.
760 30 fire alarm circuit identification.
Per nec article 760 30 the fire alarm circuits must be marked at terminal and junction locations.
Red handles but circuit breakers or other disconnecting means need to have a red marking adjacent to the device indicating that it is the disconnecting means for a fire alarm and or emergency communications circuit.
The only thing required to be the color red in commercial fire alarm systems by nfpa 72 is the circuit disconnect means.
If it stops chirping or the led light is no longer lit you found the correct circuit breaker.
Equipment marking for power limited fire alarm circuits the fire alarm equipment that supplies power limited fire alarm cable circuits must be marked to indicate each circuit that is a power limited fire alarm circuit.
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.
The fire alarm circuit breaker provides your installation with a clean and professional look without the use of marker or red tape.
Where primary and secondary power supplies are used the secondary supply can consist of batteries or batteries plus a standby generator.
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.
When you find it make a notation on the electrical panel door.
Step 5 turn the breaker back on and move to the next until you find the one that operates the alarm.
3 the code requires a system to have either two sources of power primary and secondary or a single uninterruptible power supply ups.
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.
The marking may not obscure the circuit breaker markings.
Power requirements for fire alarm and signaling systems are specified in the national fire alarm and signaling code.
