The answer is actually quite simple, but let me first explain why that locking device is there. Section 422.30 of the National Electric Code (NEC) requires a disconnecting means for all appliances.

Circuit breakers are easily switched on and off which can cause problems for professionals carrying out an intervention. Shocks and extreme injury can be the results of prematurely reactivating a ...

In this episode, Russ shows us a violation of NEC Sec. 240.24(A). This section of the Code requires circuit breakers to be readily accessible. The locks shown in this video violate that requirement ...

High-security padlocks have been in existence since the early 1900s and have been presenting firefighters with forcible entry challenges for more than 100 years. Long before power tools became readily ...

[Avionics Today 09-12-2014] Peerless Electronics, distributor of switches, circuit breakers, relays and sensors for the aviation industry, has begun distributing the full line of Master Lock Aviation ...

COOPER CITY — Some youths turned off the power and placed a lock on the circuit breaker so that a resident of the 2500 block of Lakeview Court could not turn on her power on Wednesday, police said.