Correctly wiring a GFCI outlet requires mapping conductors to specific terminal screws. First, attach the bare copper or green insulated ground wire to the green grounding screw on the side of the housing. Next, connect the incoming hot and neutral wires carrying power directly from the electrical breaker panel to the brass and silver terminal screws labeled LINE. If protecting downstream receptacles, connect outgoing feed wires to the terminals labeled LOAD. Verification: Test the outlet with a circuit analyzer to verify correct polarity and confirm that the test button cuts power successfully.
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