How to Wire an Outlet With Six Wires | Home Guides | SF Gate Check the circuit breakers in the breaker panel and ensure the breaker for the outlet is still in the Hold a noncontact electrical tester near the black wires inside the outlet box. The tester will sound Look inside the outlet box to identify the six wires. There are two black wires, one that provides Turn over the new outlet to identify the terminals located on each side. One side has two black or See all full list on homeguideste How to Wire an Outlet With Six Wires | eHow How to Wire an Outlet With Six Wires. Outlets are wired from the breaker box to the first outlet, with a second cable running from the first outlet to the second, and so on until the final outlet is reached. The last outlet has one set of black, white and ground wires, where the other outlets have two sets. Connecting an outlet with two sets of..