The phases alternate with each row of breakers: circuit breakers 1 and 2 are Phase A, 3 and 4 are Phase B, 5 and 6 are Phase C, and so on, looping back to Phase A for circuit breakers 7 and 8. (Single...The phases alternate with each row of breakers: circuit breakers 1 and 2 are Phase A, 3 and 4 are Phase B, 5 and 6 are Phase C, and so on, looping back to Phase A for circuit breakers 7 and 8. (Single Phase panels alternate Phases A and B accordingly.) Once the power enters the breaker, if the breaker is in the 'closed' (on) position, the power flows through the breaker and onto the wire going to the load at the other end of the wire.
