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Questions tagged [gfci]

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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Can I replace a standard outlet that's protected with an upstream GFCI to prevent nuisance trips?

I have a GFI outlet in one bathroom controlling a non-GFI outlet in another bathroom. Can I replace the non-GFI with a GFI and will that stop the non-GFI from shutting down or do I need to have and ...
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Why install a hidden GFCI outlet controlling to control sink outlets, ceiling lights, vent fan, and floor heater?

In a recently remodeled bathroom, a electrician installed a GFCI outlet in a linen closet which controls two outlets near the sink, a floor heater, the ceiling lights, and the vent fan. Only the sink ...
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Two GFCIs in series, which would trip?

If you have two GFCIs connected in series, which would trip first or both?
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52 views

Capped off outlets and light switch wiring, now no power to half the house

I am in the process of removing a wall from my home separating the kitchen and dining room. To do this, I needed to remove the wiring from the wall. Steps I took: Shut breakers off to kitchen lights, ...
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Can I add USB outlets to bath/hall lighting circuit box (not GFCI)?

My bathroom, inside near door, has a 2-gang box, containing 2 light switches, powering combination ceiling light and fan. This box is fed by hallway lighting circuit, and the work box is not covered ...
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26 views

Do I need to use an outdoor or wet electrical box for garage sink area?

I'm installing some metal surface-mounted boxes for receptacles in my garage utility sink area, with emt between them. I will use a GFCI receptacle, but do I need to use water-tight conduit and boxes ...
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25 views

Can load wire have power?

I’m replacing a GFCI in my kitchen. I pulled out the old one without labeling the line and load wires. I flipped the appropriate breaker (I think) but still have power to one of the hot wires. Could I ...
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56 views

GFCI Protection for Garage Lights?

I know all receptacles in a garage require GFCI protection. But what about garage lights? I plan to hard-wire some new wiring to new garage lights and I'm wondering if this circuit needs to be on a ...
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GCFI flashes red once when turned on

I understand what a solid red or blinking red light means, but there's no documentation for it flashing once and turning off. I have it attached to a light switch, and each time I cycle the power off ...
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103 views

Bathroom Switch (Light/Fan) 3 Black Wires? GFCI?

I'm replacing my bathroom switches (2) with a timer (for the fan) and a motion sensing switch (for the light) (lutron brand, not sure if that matters) and I ran into a very weird configuration: So ...
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GFCI burned out during low transformer outage

About a year ago, we had a large low transformer fire on our block in Brooklyn, NY. That's according to ConEd response team. Before and during the fire which lasted few hours, voltage has been ...
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HF compresser pops gfci on different circuit

Guys I have an almost new HF oil fairly large 15 amp compressor. I have it on a 20 amp circuit in garage with no gfci that I added myself. From almost day after warranty expired on startup it ...
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GFI kitchen plug blew up

I was running my vacuum cleaner and suddenly the kitchen GFI plug it was plugged into popped with some black smoke, a burning electrical smell and blackened the plug itself. Did my vacuum cleaner ...
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21 views

does an inside the cabinet outlet need gfci?

I have an outlet inside a base cabinet that powers the downdraft for the cooktop. It trips the gfci on the counter from which it is fed. Can I feed this cabinet outlet which only serves the downdraft ...
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42 views

Installing GFCI outlets in multiwire branch circuit

Background: There are four power outlets above my kitchen counter: three are located within 1.5 m of the sink, while the last one is further away. None of them are GFCI and some are damaged and in ...
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54 views

GFCI outlet dilemma

I saw some awesome conversation on this site that is very similar to my dilemma. Unfortunately, I have not found the root cause of my problem. Trying to wire in a GFCI outlet in bathroom. 6 wires. ...
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30 views

replace regular breaker with dual function AFCI/GFCI

I have a 15amp circuit that feeds outlets in the upstairs bedrooms, the one outlet in the upstairs bathroom and a few light fixtures. A few years ago I replaced the bathroom outlet with a GFCI outlet ...
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360 views

What happens when using a GFCI Tester on a non-GFCI outlet?

I have an outdoor power outlet of which I'm not sure if it's GFCI or not (House was built in 1978). The outlet does not have Test/Reset buttons, but I don't know if outdoor outlets even have them. ...
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33 views

GFCI wall outlets that also provide surge protection & USB ports [closed]

Does any vendor make a wall receptacle for bathroom use that provides GFCI, surge protection, and USB ports? Can you plug a surge protection strip into a GFCI? If I am understanding the inherent ...
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Two outdoor outlets not functioning..what is the most likely cause

I have two outdoor electrical outlets that are not working. They are both GFCI and close to each other. 10 feet above one is a floodlight receptacle that is controlled by an interior switch inside the ...
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43 views

GFCI outlet trips from any heating element

I have two GFCI outlets in my kitchen one each side of the sink. Each outlet then has three outlets after it which when the GFCI trips interrupt their connection as well. I feel this is pretty normal ...
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46 views

GFCI that opens when power source cut

Usually when the source of power in GFCIs were cut, the switching contacts remain shorted. What kind of GFCIs can open the switching contacts when there is loss of power source? This is useful for ...
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63 views

Gas stove trips GFCI outlet

Any ideas why a LP gas range would suddenly start tripping GFCI breaker when the oven turns on? Should i be looking for a short somewhere and if so, where?
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59 views

Why would my GFCI breaker trip when I flip a switch?

I am working in my basement where the wiring is from the early 70s. I am replacing a couple of fluorescent lights with new ones so I can put in LED bulbs (the others are original). I am not new to ...
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Regular Outlet Tripped, Now Various Outlets Are Dead

Recently, I purchased a new small appliance and when I plugged it in, it did not work. After using an extension cord, I used another outlet and figured out that the original outlet was at fault. As ...
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3-way switch tied to box, one switch removed, can't make sense of it

I'm starting the question over.I'm having a hard time making sense of what's going on and I found out the other switch wasn't removed. I have a light connected to two switches. One switch isn't ...
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3answers
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Are my GFCI outlets tripping each other?

GFCI 20 amp breaker in main panel powers 1 bathroom on far end of house, 2 lights 1 fan on switches, and 2 GFCI receptacles. Occasionally the power panel GFCI trips. I think the GFCIs are fighting ...
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help me interpret the results of an outlet tester on some GFCI receptacles

I'm trying to figure out what might be wrong with some exterior GFCI receptacles that I have. The problem is that this is an old house, and I'm not really sure what is happening between the ...
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48 views

Any load on circuit trips bathroom breaker

Very strange thing happening. House is less than an year old. This is the bathroom circuit. The only modification was an additional outlet. Everything was working fine for months. Until this morning, ...
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Is a new refrigerator likely to trip a 20 amp AFCI/GFCI circuit?

Will a new GE Cafe refrigerator/freezer work on my kitchen AFCI/GFCI 20 amp refrigerator outlet? My current 8 year old Samsung constantly trips the circuit.
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161 views

Refrigerator trips new AFCI/GFCI circuit breakers

Remodeled kitchen and electrician had to install new AFCI/GFCI Seimens circuit breakers to comply with code. Now my 8 yr old Samsung 24 cu ft refrigerator trips the c/b every 12 minutes to as long as ...
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229 views

Circuit breaker won't turn back on after being turned off (not tripped)

I turned off all the breakers of my home to work on my electric. When it was time to turn the circuit breakers back on, 3 of them wouldn't: the one for the dishwasher, the one for the dryer and one ...
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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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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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60 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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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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108 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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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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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
919 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
39 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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57 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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50 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
99 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
50 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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81 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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106 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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162 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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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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44 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 ...