I'm working on a house built in the 1980's. There is one gfci in a metal outlet box that extends directly from the breaker box via metal conduit (approx 3"). A 15a breaker supplies the gfci. This gfci is connected with only the black and white line wires (12ga) and no ground wire. There are no other outlets/lamps on this circuit.
Is this an acceptable way to wire a gfci directly to a breaker box? If so, can other outlets be safely extended from this gfci? That is, can I run a line to another room of the house directly from the gfci and connect the ground wire to the gfci ground terminal...even though the gfci ground terminal is not connected to an actual ground wire itself?
Please help with hard-wired smoke detector issue...
GFCI/Mapping circuits in house
No ground for new light fixture......
12 gauge-20 amp
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