![]() 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. Want help with home repairs? Find out if one of these home warranty companies could be your solution.I have 1 light switch and 1 outlet in a 2 gang box in the kitchen. There should be countertop receptacles installed so that no point along the counter is more than 2 ft.A kitchen must have two 20-amp circuits for countertop appliances.All countertop receptacle outlets must be protected by a GFCI device installed at the outlet or by GFCI circuit breakers. ![]() Press the test button the outlet should go dead.Replace the cover plate, then check to make sure the GFCI is operating properly. Connect the bare wire to the grounding screw.Install the new ground-fault circuit interrupter outlet by attaching both the black and white wires to the “line” side of the outlet.After turning off the electricity to the kitchen at the main service panel, remove the cover plate and unscrew the duplex outlet from the existing cable inside the box.Finally, check the GFCI by pressing the “test” (power off) and “reset” (power on) buttons.Neatly tuck the wires into the box, screw the outlet in place and replace the cover plate.Wrap the bare copper wire around the grounding screw and tighten it.Again, make sure that both wires are on the “line” side. Fasten the black wire to the dark-colored screw and the white wire to the light-colored screw.Attach both the black and white wires to the screw terminals on the line side.At the back of the GFCI are screw terminals marked “load” and “line.” The single screw at the bottom is the grounding screw.Disconnect the wires and remove the old outlet. Take off the cover plate and unscrew the outlet from the box.First, turn off the power to the circuit you’ll be working on.If your electrical system has not been upgraded for 20 years or more, you probably need to install GFCIs. But a GFCI won’t work unless it’s properly connected. Related How GFCI Receptacles Keep You SafeĪ GFCI has a built-in circuit breaker that interrupts the flow of electricity the instant it senses a ground fault or current leak.
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