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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531 views

Can a GFCI receptacle protect other receptacles?

My contractor has wired one GFCI receptacle in the main bathroom on the same circuit as a normal receptacle in our en-suite bathroom (it is less than a foot from the sink). he says that since they are ...
3
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1answer
37 views

When replacing non-grounding type receptacles is a GFCI receptacle required, or can any GFCI device be used?

Under the NEC (it was 210(7)(d)(3), but appears to have moved around some), it is permissible to replace an ungrounded receptacle with a GFCI receptacle, then wire further ungrounded or non-grounded ...
0
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1answer
159 views

GFCI combination switch and outlet to fully switched protected outlet

Before a single screw comes out of the wall, I need to be sure I understand this fully, and rather than type out everything, I made a diagram based on what I was able to dig up on forums. This is for ...
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1answer
59 views

How to GFCI protect bathroom lighting circuit

I have an old house with 3 bathrooms all on the same circuit. Each has an light with a receptacle above the sink controlled by a wall switch. (See image below.) I want to GFCI protect the entire ...
6
votes
7answers
391 views

What could be tripping multiple GFCI breakers?

I have 14 ground fault circuits split 7 on each side of my panel. I have recently had 5 or six trip on the left side and 1 or 2 on the right. It happens at all hours. It appears I have some kind of ...
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3answers
97 views

Can I use a 50 amp GFCI breaker on 15 amp circuit?

I am in the process of changing my hottub over to wood heat. I have eliminated all controls and am running the pump directly from the panel on a double 15 amp breaker (240 volts). I have my existing ...
0
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2answers
79 views

How to wire GFCI outlet

The bathroom includes a GFCI outlet that will not reset. Research revealed that such outlets do seem to stop working sometimes. So I am attempting to replace the outlet. After pulling the faceplate ...
4
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2answers
723 views

Why does my GFCI trip when I plug things into load side receptacles?

I installed a new outdoor circuit. The line comes out of the house and into the LINE side of the GFCI outlet. I connected a wire to the LOAD side and ran it to two standard outlets downstream. My ...
12
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4answers
14k views

When to use holes instead of side terminals to wire an outlet

This question comes from Shirlock's comment on this GFCI wiring question. When and why should you use the holes on the back of an outlet rather than the side terminals? I always assumed the holes on ...
3
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3answers
225 views

What is considered “over a tub or shower” for a bathroom fan?

I'm going to add a fan to my currently unvented bathroom. The fan installation instructions include the text "if this unit is to be installed over a tub or shower, it must be marked as appropriate ...
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2answers
70 views

Use of combination CAFCI and GFCI breakers instead of recepticles

I am about to begin a project that will include one or two new circuit for outdoor lights and receptacles attached to the main building. I will probably installing a new home run line from the panel ...
2
votes
2answers
265 views

Why is my GFCI receptacle tripping when I add another receptacle to the circuit?

I have 3 receptacles in my garage. One is a GFCI which protects all 3 outlets. I want to connect a new receptacle off the third receptacle (end of run) on other side of wall, and have it protected by ...
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2answers
40 views

GFCI with no loads attached and no downstream outlets trips with power restoration

I have recently (purchased 9/18/14) installed several GFCI outlets - Pass & Seymour Legrand - with LED indicating light. I installed three of these - all on separate and dedicated circuits. Upon ...
0
votes
1answer
59 views

How do I properly install GFCI outlets with existing 12/3 wire in parallel and on a switch?

I am trying to help my inlaws with a problem in their living room. Two of their outlets stopped working and I don't really know why. The outlets were wired to a switch in the hallway, which ...
0
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1answer
38 views

GFCI circuit for hot tub tripping after move

Good day, We had a fully functional hot tub in our garage (don't ask). We moved it outside on to a patio of cement patio blocks. I tapped off the sub panel in the garage that the tube used to be ...
0
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2answers
57 views

What does it mean when one wire goes into load, and one goes into line

I am replacing my kitchen outlets with GFCI. The inspector told me I just needed to install one at the first outlet in the circuit. I looked at the outlets on either side of my kitchen; at one end ...
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1answer
103 views

Why do I have a green light on my GFCI but the outlet will not come on?

While cleaning, my niece sprayed my GFCI outlet causing it to go out. I attempted to reset it but came up with negative results. I purchased another one, hooked it together (green light came on ...
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2answers
2k views

Why isn't my GFCI receptacle working?

I am installing a GFCI outlet and I am having some issues. I have identified the hot and neutral wires. They test positive with the voltmeter when I turn on the switch. I connect the receptacle to ...
0
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1answer
25 views

Pool pump plug trips when GFCI outlet receives power

I have a GFCI outlet out by my pool. I have a timer switch inside that sends power to that outlet. My pool pump has a plug that is GFCI (I assume that is what a plug is called it has a test and reset ...
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1answer
38 views

GFCI Outlets Wired Inline 2011 NEC

(1) I live in an older home with the kitchen "updated" in the 1990's. None of the countertop outlets are GFCI protected. Can they be properly wired with a GFCI outlet at the beginning of the wiring ...
2
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1answer
70 views

How do I wire a GFCI switch/outlet receptacle?

I'm replacing a switch with a switch/outlet (GFCI) in my bathroom. The switch will control the bathroom exhaust fan. Currently I only have two wires to work with (hot & neutral...no ground). ...
3
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3answers
4k views

How do I wire a GFCI receptacle using two black wires and two white wires?

I recently purchased an older home and wanted to install GFCI outlets in the kitchen. When I opened up the outlet, there were four wires (two black and two white) in addition to the ground. I ...
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1answer
48 views

Is a weather resitant gfci required outside in a metal box with in use cover?

I have a pool that is just off my deck. The gfci i have went bad so i need a new one. It was a 15 amp gfci in a metal box attached to 1/2 in emt conduit with a metal box and a non in use cover. Thi is ...
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1answer
52 views

GFCI (panel) breaker trips on neutral connection

I have a circuit previously with a regular 15A breaker, powering some lights, a closet outlet, and two (tile) floor outlets. This latter is now going to power a large aquarium. Because these outlets ...
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0answers
74 views

How do I wire a GFCI with 5 wires?

How do I install a GFCI receptacle with 2 black and 3 white wires plus a ground? I have two such regular receptacles next to sinks and should replace them before the upcoming home inspection, please ...
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3answers
21k views

Which Kitchen outlets do NOT need GFCI?

I have the 2 circuits in the kitchen with GFCI outlets, but I'm not quite sure which other ones do NOT need GFCI. Other circuits in the kitchen include Microwave, Fridge, and Dishwasher. It makes ...
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0answers
90 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
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1answer
202 views

Why does my GFCI receptacle trip when anything is plugged in?

My house was built in 1994. The garage is fed from one 20amp circuit wired to the lights first, then a GFCI, then a couple regular outlets. This has worked fine for me for 19+ years. We had a ...
6
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3answers
7k views

What could be causing GFCI breakers and receptacles to trip?

I have a two wire system and after installing GFCI outlet in kitchen I realized there is a problem with some type of inconsistancy causing the GFCI to trip as soon as power is sent to it. Thinking the ...
2
votes
1answer
67 views

Is my water heater connected to GFCI and is it affected after short circuit?

I am an absolute n00b when it comes to home electrical systems. Please do forgive me if this is a repeat question since I wouldn't know what to search for. I am in France and I have 230V supply at ...
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vote
2answers
404 views

Why does my fluorescent ceiling fixture trip the GFCI sometimes?

Every so often, roughly a 1/20 chance, flipping the light switch to my laundry room's fluorescent fixture will trip the nearby GFCI outlet. Why is this? Is it more likely to be the GFCI being faulty ...
2
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1answer
234 views

What size GFCI and receptacles on 20A circuit?

I am adding a string (5-6) of receptacles to an existing 20A circuit in my basement that currently has just one 15A duplex receptacle on it (with 12/2 Romex). I am planning to replace the existing ...
5
votes
3answers
575 views

GFCI outlet hot when nothing's plugged into it

Using a thermal camera (coolest thing in the world, by the way), I discovered that a GFCI outlet in my bathroom is hotter then the surrounding wall when nothing's plugged into it: It's not boiling ...
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0answers
30 views

GFCI circuit partially works

While making coffee using downstream outlet, it just stopped. My GFCI outlet works and it isn't disconnecting. The test button also works but downstream outlets don't. What would cause that? ...
0
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1answer
44 views

GFCI connection and trip

I have 1 GFCI in the bathroom On the 1st floor. The line side is sourced from the main board, and the load side has 3 standard duplexes in the 2 bathrooms on the 2nd floor. After moving in to test the ...
5
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3answers
154 views

Does big current draw make GFCI outlets go bad?

About 2 years ago during a kitchen update, I replaced a GFCI outlet with a new one, 20-amp (both pass through and the GFCI outlet itself). Branching downstream from it are two more outlets, one on the ...
2
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3answers
946 views

How can I remotely monitor a GFCI receptacle?

How can a sump pump in a crawl space only accessible by crawling down a hole in a closet have its GFCI protected outlet monitored from the living room? I am imagining the best way to run the pump is ...
2
votes
1answer
114 views

How can I repair a ground-fault?

I'm hooking up a new GFCI in a remodeled bathroom, replacing an older one. There are two outlets following on the circuit. The GFCI works fine, but as soon as I would plug a light into the next ...
2
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2answers
120 views

What could have caused my GFCI to trip, and what can I do about it?

About a week ago, a GFCI tripped. I noticed that because appliances in my kitchen stopped working. The short story is that something was put into an outlet that shouldn't have been. That's not the ...
0
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1answer
62 views

Can I put a switch in after a GFCI and still have proper protection?

I am about to install a fan in the shower stall. It is code to do so as long as the fan is GFCI protected. However, I don't want the switch that controls the fan to turn the receptacles on and off. ...
0
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2answers
81 views

None of the outlets in the kitchen are working

The other day I switched on the garbage disposal and now none of the outlets in the kitchen work. This circuit is GFCI protected from the panel but the GFCI breaker in the panel is not tripping. When ...
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2answers
263 views

GFIC requirements for a Kitchen multi-outlet strip

I was thinking of replacing my current kitchen counter receptacles with a Hard Wired Multi-Outlet strip that would run below my cabinets. My question is How would I provide GFCI protection? Can a ...
2
votes
1answer
169 views

Replacing outdoor outlet

How can I replace an outdoor outlet cover that has a stripped center screw? Do I need to replace the outlet as well? Do I need to replace the box that the outlet is housed in if it is coming out ...
0
votes
1answer
70 views

Will chained GFCIs malfunction?

What I'm asking is if a GFCI wired onto the load of another GFCI will function? Will it cause the upstream one to malfunction. Will it cause the downstream one to malfunction? It is against code? ...
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0answers
85 views

Why don't I have power at my GFCI outlet?

Sorry for what will likely be a long question! It all started with a bathroom light that would not turn on, even though the bulb was good. I decided to get my multimeter and see if the switch was ...
10
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1answer
6k views

Can I add a standard receptacle on a GFCI circuit

So, I want to add a receptacle in the bathroom (I tend to run out of batteries on my phone while crapping at the end of the day). There's a GFCI outlet on the other side of the crapper wall that ...
8
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3answers
3k views

Is it possible to be electrocuted from a properly functioning GFCI circuit?

It's my understanding the the purpose of a GFCI circuit is to prevent shock by tripping the circuit if there is an imbalance in current in vs. current out. So my question is, if you have a functioning ...
2
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2answers
170 views

Did I damage the breaker by incorrectly wiring a generator?

During a power outage I attached my generator incorrectly (I have never done this before - I just was not paying attention). Anyway, I crossed the ground at the box with the black. When I turned on ...
4
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3answers
3k views

Why does my circuit breaker trip with any small load, even after replacing the breaker?

I have a 20A 240V GFCI breaker in my main breaker box going to a conduit to another breaker box outside. All worked well last summer. Now, when I put any load (weed-eater, light, etc.) on an outlet ...
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0answers
24 views

Wiring GFCI receptacles using 4 wire 240 circuits [duplicate]

The house I am renovating was wired with 4 wire 240 circuits. Probably to save pulling extra wires or to save costs. I did a gut demo so all wiring is exposed. I ran one of the "old" 4 wire 240 ...