All references are based on the 2017 edition of the NEC, unless otherwise noted. The type of “breaker lock” installed on this circuit breaker is a popular way to secure the breaker in the ON position ...

Fittingly at this year's NSC Congress & Expo, The Master Lock Company will unveil its new family of Grip Tight Plus Circuit Breaker Lockout devices, designed to take the guesswork out of circuit ...