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Ground fault circuit interrupter, also referred to GFCI, GFI, or a residual-current device. This devices detects a leak in current, or an imbalance between the current on the hot and neutral wires. This is used to prevent electrical shock.

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No power to new GFCI

I'm trying to figure out why an exterior GFCI does not have power at the supply lines. Last week, my friend let an extension cord that was plugged into it fall into the water in the pool. She was ...
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2answers
43 views

Powerline network adapter upstream of GFCI outlet

It's well-known that GFCI outlets can cause issues for powerline networking. However, is this true even if the powerline adapter is plugged in upstream of the GFCI outlet (i.e., on the same circuit, ...
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47 views

Fluorescent light trips adjacent GFCI

My fluorescent light trips an adjacent GFCI when it is switched on. It is on a separate circuit. The GFCI is new with an alarm. Is this being caused by some sort of interference?
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3answers
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Is it normal for GFCI receptacles to explode and burn?

I noticed my tooth brush wasn't charging one morning and none of the plugs in my bathroom were getting power, I went down to the circuit box and saw a flipped breaker so I flipped it back and it ...
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1answer
71 views

Outlet trips GFCI and Circuit Breaker. Help!

We have three outlets in our kitchen that are all connected to one circuit breaker. We often use these outlets for our toaster oven and rice cooker. About a month ago, the outlet started to trip the ...
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5answers
87 views

Can 120v GFCI tester work for 240v source?

I setup the above to make a temporary gfci tester or tripper. The white button works manually, but when I plugged in a load to the hot and neutral output of the gfci 2-pole breaker, why didn't it trip ...
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2answers
39 views

Best way to get both 120V and 220V from existing multiwire branch circuit (MWBC)

I have a double pole 20A breaker feeding a 120V MWBC with 12/3 with ground, romex that goes up three levels to two separate 120V duplex GFCI receptacles with common neutral. I want to have both 120V ...
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3answers
903 views

Low AWG in long outdoor run, but with GFCI protection

I'm running a circuit out to our shed/chicken coop. We live in New Hampshire. The electrical demand won't be high, so one 15 amp circuit will be sufficient. We currently have 3/4" schedule 40 buried ...
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1answer
26 views

20amp afci breaker with gfci outlet tripping under 15amp load, but not lower loads

I have been switching my breakers over to AFCI a few at a time. I now have two AFCI breakers running to my garage, which are wired to two 20 amp gfci outlets (dedicated circuits). One of the outlets ...
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2answers
39 views

GFCI Outlet in kitchen cutting off power of all other outlets

I have one GFCI outlet in my kitchen and sometimes it just tripped and cut off power without anyone touching it. The annoying thing is that it is the head of the circuit which ends up cutting off ...
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1answer
43 views

GFCI circuit keeps tripping on electrical panel

I'll try to include every detail I know. Sitting in the office one day where my computer is and the power goes out knocking out the power in the office. Computer and hard wired lights on the ceiling....
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1answer
45 views

110v outlet on 220v circuit with 220 GFCI to boat dock

I am rearranging some wiring on a boat dock, where there were two jet ski lifts that were powered with 220v originating in a sub-panel (at the house) which has a 20a GFCI two pole breaker. I was a ...
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1answer
43 views

GFCI outlet wired but not working

I installed a new GFCI outlet and the green light is not coming on. Why is that? Do I have it wired wrong? I have tried rewiring it different ways but nothing is working. Can someone help me please?
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2answers
75 views

Ground fault interrupt breaker

I could not find the load neutral--it may not even be white in the panel. Do I need to or is it OK to just hook up an extra neutral and go to the neutral bus from the GFCI breaker? Of course I have ...
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1answer
95 views

GFCI and 2 phase input

In the US, there are two phases that is 120V each to neutral. If you connect it phase to phase, then you get 240V. In my country. It's illegal to use phase to neutral of 120V because we are promoting ...
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1answer
151 views

pigtailed wires downstream of a gfci

I am installing a GFCI in the first box of a two wire non-grounded circuit. The following box(es) have the line and feed wires spliced (pigtailed) before the receptacle so only two wires are attached ...
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0answers
32 views

Brand new washer

I just got a new washer and I have learned not to run the dryer at the same time because it keeps tripping the outlet. Even still once every few days it will trip it irregardless. It never was an ...
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1answer
37 views

Replacing GFCI receptacle behaving like the old one

I assumed my old receptacle was faulty and so I decided to replace it with a new one. I wired it like in the photo below : As you can see I placed both white(neutral) and black(line) in the line part ...
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1answer
83 views

How to install GFCI combo switch and outlet using Romex and only 2 wires

I had a combo GFCI outlet and switch that went bad in my bathroom. The outlet worked even if the light wasn’t on. I bought a new GFCI combo switch and outlet. I had several electricians come to ...
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2answers
57 views

GCFI Outlet Trips with no load or downstream connections

I have an outdoor outlet that stopped working (had a light on that showed it was tripped and wouldn't reset). I bought a new one to replace it and hooked it up, but the new one also trips just after ...
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1answer
33 views

GFCI breaker tripping

I have a 20A GFCI breaker that intermittently trips. In tried to isolate by disconnecting different devices to no avail. I finally disconnected the load wire from the breaker and it still tripped. I ...
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1answer
101 views

New GFCI keeps tripping

Remodeling our bathroom and I noticed the GFCI TEST button is stuck. Our GFCI outlets are probably 25 years old. So I couldn't test the outlet. I thought to my self, no problem, I'll just replace the ...
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2answers
161 views

Why does my refrigerator trip the GFCI outlet? [duplicate]

I've been reading around the net for about 20 minutes and came across a lot of talk about how the fridge should be on their own 15 or 20 Amp breaker and the defrost cycle can cause the interrupt in a ...
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2answers
41 views

GFCI with a light switch off the load trips when switch is off

I'm at my troubleshooting limit, double checking all the grounds, caps are tight and no cross wires. If it tripped as soon as I turned the light switch on it would make sense but it's not until 15+min ...
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1answer
48 views

Replacing receptacles protected by one GFCI outlet

My current setup is one GFCI receptacle and three regular receptacles downstream that are protected by the one. Everything had been working fine (it even tripped recently and I reset it, so I know it ...
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2answers
69 views

How can I switch my standard outlet to a GFCI?

I have a standard 2 receptacle outlet in my house. I am trying to switch it to a GFCI. I realize GFCI has load and a line side. There is also a switch in my room that is tied into this outlet (and ...
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3answers
118 views

Does my three season porch ceiling outlet require a GFCI?

An electrician put an electrical outlet box in our covered porch ceiling. We want to hang a light fixture (one with a cord and plug over a dining table). I will be installing the outlet myself. Do I ...
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2answers
61 views

GFCI Grounding Issue

I'm trying to replace a two prong outlet in my garage with a GFCI. The receptacle line is fed from a light switch on the wall, and the load runs to an outdoor(one bulb) lamp post. The general ...
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0answers
54 views

Is one failed test enough evidence to replace an RCBO?

The consumer unit in my shed (in the UK) has an RCBO. I pushed the test button and the breaker did not trip. I then reset and rearmed the breaker using the lever. It now trips every time I push the ...
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2answers
70 views

GFCE-protected outlet trips, GFCI outlet doesn't

I recently moved into this house. I have a GFCI-protected outlet on an island in the kitchen (on the right in the picture): it is protected by a GFCI outlet on the wall (left of the stove in the ...
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2answers
194 views

GFCI WR question

I am installing a couple outlet outside and I noticed a significant price difference between a standard GFCI outlet and the WR GFCI ones. If I put a GFCI outlet in a weather resistant box why would I ...
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0answers
48 views

220 volt GFI triped by hot tub?

I have a hot tub connected to a 50 amp 220v trip that has a neutral pigtail connected to the neutral bus. The natural for the tub is connected to the bus. The 220v connects directly to the control ...
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2answers
265 views

GFCI seemed to fizzle and pop, and now works as a non-GFCI outlet - what happened?

An outdoor GFCI that's under a covered porch has been working fine for a long time, but recently started failing to turn off when the 'test' button is hit. Here's what I observed. Right after ...
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1answer
93 views

Why an outlet tester light blinks?

Testing outlets, having the two yellow leds "ON" (right connection) one of them blinks. What is the reason of that?
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1answer
42 views

Confusion when adding new GFCI outlet

I am replacing an existing outlet with a GFCI outlet. The existing outlet functioned fine, but I want GCFI protection on the circuit. It appears to be your standard daisy-chained outlet box - 2 ...
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1answer
64 views

Can a 20A GFCI be added to beginning of a 20A circuit that serves (8) 15A receptacles & light fixtures?

There's a 20A circuit that passes right by a spot I need an additional outlet for a lamp/general use near laundry. Currently it serves about 8 devices, either single bulb light fixtures or 15A 3-prong ...
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30 views

GFCI trips when reset and many devices are connected to it

I have connected a GFCI 15A to a 20A breaker although all outlets have the typical 15A NEMA. Whenever I turn it on it trips if any devices are connected. If I disconnect everything it doesn't trip. ...
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6answers
170 views

Should I cover or move this outlet?

I've got this lovely situation in my garage where there's an outlet right above the deep sink, and while I don't have my tape measure handy I'm fairly certain this is less than 6' from the sink, and ...
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2answers
64 views

Electrical - GFCI tripping

I was replacing an outlet in my bathroom with a gfci outlet. When I throw on the power, it trips but not only that, it takes out a set of lights over the mirror which are connected to a double switch ...
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2answers
60 views

Multiple GFCI with two hot wires and shared neutral

I learned about wiring multiple GFCIs with 12-3 wire from this post: How do I install a GFCI receptacle with two hot wires and common neutral? And a I have a related question as to why this circuit (...
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1answer
33 views

Added Outlet to a GFI Receptacle covered circuit

In my garage I have a single 15 Amp circuit that has 4 receptacles on it. One of the receptacles has a refrigerator and an upright small freezer on it, all are non-self defrosting type. Nothing else ...
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3answers
370 views

Can I add a non-GFCI receptacle in the garage for a freezer?

It seems that GFCI-protected receptacles are required in all areas of the garage (even on the ceiling, where the garage door opener plugs in). Can I install a non-protected (15A) receptacle ...
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1answer
93 views

Should outdoor lamp post be on GFCI

I have an outdoor lamppost at the end of my driveway. Its not currently on a GFCI circuit. Shouldn't it be? It does not have an outlet by it. If it did, then it would need GFCI for sure, right?
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1answer
60 views

Add a switch for a pool light

We just bought a house that needed some upgrades and one of the first ones up was the electrical panel. Hired an electrical company to come out and upgrade it to a 200amp box. Work went fine and ...
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3answers
192 views

Is there harm in using a GFCI outlet as a switch?

I have a GFCI outlet in my garage which is about 4 feet off the ground. I have a couple work lights plugged into it which can only be turned on and off by plugging/unplugging them. I have recently ...
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0answers
29 views

Two GFCI's on the same circuit in my RV. One works. One doesn't

My RV is running 120v off an inverter, if that matters. One circuit is for everything in the rear of the RV and goes from the breaker panel to a GFCI in the bedroom and then branches out to all 4 ...
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1answer
49 views

outdoor gfi stopped working

I had an electrician come and change my outdoor outlet. He replaced it with a weatherproof GFI. It worked for 1 day and stopped working. I called him numerous times to come back but he would mot come. ...
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1answer
42 views

Is a Replacing GFCI difficult [duplicate]

I have a GFCI outlet in my powder room that needs to be replaced. Is it significantly more difficult to replace a GFCI than an ordinary outlet?
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0answers
149 views

Tankless 240V water heater in detached garage tripping AFCI/GFCI breakers in house

We have two separate buildings, a house and a garage/workshop, about 20 feet apart, sharing the same electrical service. On the service entrance, there's a Siemens whole-house surge protector. The ...
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1answer
390 views

Two black, two white, two ground, one red wire in bathroom receptacle: huh?

I'm going through my house (built 1940s) and replacing a bunch of receptacles with GFCIs. Most of the receptacles that I've opened up have one black and one white: I hook them up to the hot and ...