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 SYSTEMS. WE ALSO HAVE PANEL IN THE HALLWAYS.
Breaker locks are required when the circuit breaker serves as the disconnecting means (NFPA 72, 10.6.5.4).
The disconnecting means shall be capable of being locked in the open position and the provisions for locking shall remain in place with or without the lock installed (NFPA 70, 110.25).
The circuit disconnecting means shall be accessible only to authorized personnel NFPA 72, 10.6.5.2.5).
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