![]() Then its load wire would come into the GFCI outlet as its line cable and there would be one load cable to the next outlet and then that outlet would feed the last outlet on the circuit. Since the inside outlet initially continued to work, I would think that it would be first in circuit directly from service panel. White wire goes to GFCI Line (position 1) White wire goes to GFCI Line (position 2)īottom Right cable: black wire goes to GFCI Line (position 2)īottom Left cable: black wire goes to GFCI GFCI Load This is how it was wired (and I believe is the way I wired the new GFCI receptacle) Top cable: black wire goes to GFCI Line (position 1) Worse, now the inside outlet isn't working either! Is one cable the from the service panel and the other two load cables with one going to the inside outlet and the other going to the next outlet in the garage? (I would think the panel cable would be the one coming in from the top of the outlet box). I have been looking for a wiring diagram for GFCI when there are 3 cables but haven't found any. I tried replacing the GFCI receptacle and thought I took care to put the wires in the same location, but now nothing works! The inside outlet no longer works so now I'm trying to figure out the correct way to wire the GFCI outlet. There is one coming from the top and two from the bottom. In the box for the GFCI receptacle, there are 3 cables coming into the box. At this point, the outlet in the house appears to still work but the ones in the garage do not. I plugged a tester into one of the regular outlets in the garage and accidentally hit the button to throw a fault. There is also another regular outlet on the circuit that is inside in the closet (on wall between closet and garage). There are two regular outlets in the garage as well that I believe are "downstream"/protected by this outlet as required by code. If you have 120V between white & black but 0V on black/ground and 0V on white/ground, then your ground wire is not properly connected.įinally, you should run a small length of bare wire between the ground bundle in this box and the ground screw on your switch, so that the switch's metal components are grounded.I have a GFCI receptacle in the garage. So you should have 120V between black and white 120V between black and ground and 0V between white and ground. Neutral and safety-ground should have zero voltage, because they are bonded in your main electrical panel. To identify the "true" neutral, measure voltage between an insulated wire and the bare ground wire. Your non-contact tester may have given you a misleading indication the contact tester is more authoritative here. You'll need to investigate the wiring to determine what's wrong. If you don't have 120V between the black and white wires, your circuit is switched off or damaged. If you have 120V at the LINE terminals and not at the front, the receptacle is defective. If you measure around 120V between the black and white wires leading to the GFCI, and those wires go into the LINE terminals of the receptacle, the receptacle should be test/reset-able and should show 120V when you test between the plug-in slots on the front. ![]() Next you should carefully use the contact terminals of your multi-meter to measure voltage on the lines: But it doesn't appear that you have any of those. It will also have LOAD terminals, which would go any other outlets you'd want fed from (and protected by) this GFCI. Lastly, how can I tell if the black wire is actually hot and white is neutral as it seems that they wired it backwards elsewhere in the house.įirst thing to check, as points out, is that you've connected the wires to the LINE terminals on the GFCI receptacle. Does it matter which is first?Īlso, what is going on with the grounding here? They didn't ground the light switch and they tied both grounds together to the outlet? The light switch works so I was thinking of piggy backing from the light switch to the outlet or taking the wires from the light switch and putting them in the outlet and piggy backing to the switch. ![]() What could be going on here? What are my options? I swapped the white and black wires to outlet to see if they did it backwards, as they did elsewhere in the house, but it still won't work. I have a multi-meter with a non-contact voltage detector that I ran over the non-working gfci outlet and it lights up showing that there is voltage present. The new outlet is gfci too and I can't get it to reset, nothing happens, no light comes on. The old gfci outlet stopped working so I replaced it with another but it still doesn't work. I have 1 light switch and 1 outlet in a 2 gang box in the kitchen. ![]()
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