As necessary, replace an electrical box, cover and door, panel board/main breaker, individual circuit
breaker, phase indicator, and ground bar, as described in the following procedures.
The site power must be disconnected before proceeding further.
Touching a live wire can cause serious injury or death. This procedure
can be performed only by qualified civilian or military personnel in
MOS 51R, 52C, 52D, or 52G.
Open the circuit breaker panel doors (1). Set all circuit breakers (2)
to OFF, and disconnect power from the power entry box (3).