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.

learn more… | top users | synonyms

0
votes
1answer
31 views

GFCI trips after adding new circuit to it

Preface: I am a complete newbie when it comes to electrical circuits. I usually have electricians do all the work in our house. An electrician installed a circuit in our backyard with 8 outlets on ...
0
votes
0answers
48 views

Can a GFCI receptacle share the neutral wire of another circuit?

When I connect my GFCI receptacle on one circuit that shares the neutral wire with another circuit, it immediately faults out. If I remove the second circuit from the neutral there is no problem.
1
vote
1answer
41 views

Is my outbuilding wired correctly?

I have a 3-wire source power wire (red/hot, black/hot, white/neutral and bare copper/ground) leading into an outbuilding to a light switch and GFCI outlet 4x4 metal box. This 3 wire provides power to ...
0
votes
1answer
28 views

Efficient way to determine line and load

My townhouse was built in the early 1980's, and since it was built, the state laws around which outlets are on a GFCI line have changed. The wiring itself is fine, just the receptacles need to be ...
0
votes
0answers
43 views

Cant seem to get the GFCI to work

I'm not an electrician - I know enough to get basic wiring accomplished... or so I thought. I'm finishing my basement, and we ran 5 new outlets, in conduit, all are 15a. I have a box right next to ...
1
vote
1answer
44 views

How do I replace a GFCI breaker with a normal breaker?

I have a breaker on my panel that has 2 white wires and one black and a test button. I am changing to a breaker that has no white wires going to it just the black. Do I put both white wires to the bar ...
1
vote
1answer
24 views

Right way to add standard receptacle to this GFCI circuit

I've read Can I add a standard receptacle on a GFCI circuit and have a similar situation in that I need to add a receptacle to an existing GFCI circuit, but when I pulled the existing GFCI plug from ...
1
vote
1answer
57 views

GFCI Breaker - not tripped = outlets work, turn light switch on breaker trips, lights work but outlets do not

I had a kitchen remodel that went a bit bad with a contractor and his minions. The house was build in 1934 so has a two wire system with a 100A panel. As we remodel we are replacing 2 wire system ...
1
vote
1answer
72 views

Multiwire Branch Circuit with GFCI

I recently added some ceiling lights and had to tap into an existing junction box that had a 3 wire multiwire branch circuit run to it. This is a kitchen GFCI receptacle. The red wire is on a ...
2
votes
1answer
61 views

Why does a GFCI breaker trip when another breaker is accessed?

I just bought a new house, and on the first day there realized a breaker was tripping. It is one of only two GFCI breakers in the box. It's 20 amp with a bedroom/bathroom on it. I tested every outlet ...
2
votes
4answers
66 views

Should I proactively replace old GFCI outlets?

The way I understand this page about GFCI outlets: (a) GFCI outlets can fail after about 10 years, making them unable to detect faults, (b) when outlets made after 2006 fail, they shut off power ...
4
votes
2answers
116 views

What reasons are there to rewire an ungrounded circuit instead of adding GFCI protection?

The NEC allows replacing non-grounding-type (2-prong) receptacles with grounding-type (3-prong) receptacles by adding GFCI protection at the breaker or first outlet. What reasons might there be for ...
1
vote
2answers
48 views

Can I use a three wire cable to feed a whirlpool tub?

If I'm required to add 2 dedicated GFCI circuits for a whirlpool tub and inline heater, can I run 3 wire cable (red,black,white,ground) or do I need 2-2 wire cables?
2
votes
2answers
90 views

What options are there to achieve both grounding/ground-fault and arc-fault protection on old 2-wire circuits?

The three receptacle circuits in my house are 2-wire NM, but have 3-prong receptacles. My electrician recommended and installed GFCI breakers to provide "grounding" to these circuits. I now realize ...
0
votes
0answers
45 views

How can I add a GFCI receptacle on a circuit with split receptacles?

I have a typically wired living room with all receptacles switchable on the top outlet. We are installing a large fish tank and decided to add GFCI protection. I'm trying to change a single duplex to ...
0
votes
0answers
56 views

Why won't a replacement GFCI work when the old one was wired identically?

I am trying to replace an old GFCI outlet box in the bathroom. I bought a new one and wired it the same as the old one (the new one had extra screws). The new outlet has a tiny green light on the ...
1
vote
0answers
26 views

What's wrong with my replacement GFCI outlet?

I'm trying to replace a GFCI outlet in my bathroom. (the old one trips almost every time you plug something in) When I connect the line wires from the panel to the line poles and the load wires to ...
4
votes
2answers
304 views

Do gfci's have to be on a 20 amp circuit, or can they be on a 15A?

Do gfci's have to be on a 20 amp circuit? Also if you use the receptacle type gfi do you just need one in a circuit or do all receptacles have to be gfi?
2
votes
3answers
75 views

What could be causing my new GFCI receptacle to keep tripping?

An electrician installed an outlet on a circuit inside my garage that is connected to an exterior spotlight. The spotlight has a sensor that automatically turns it on at dusk and off at dawn. There is ...
3
votes
1answer
128 views

How can I install a GFCI receptacle to provide protection to other devices?

I currently have in my shop, a 20 amp outlet directly below my panel which is approximately halfway along one of the walls. Instead of having the GFCI outlet at the end, I would like to replace the ...
0
votes
1answer
43 views

What could be causing my GFCI outlet to trip?

I have a GFCI outlet in my garage that keeps shutting off. I have unplugged all utilities from it and it still trips off. I replaced it with another GFCI outlet. When I hooked up that new outlet it ...
0
votes
1answer
49 views

I have Direct tv plugged into a gfci protected receptacle. All of the receptacles on same circuit will go dead, but not trip the gfci. Why?

Ok the GFCI is located in the 5th wheel upstairs bedroom/sink. It is protecting 4 of the receptacles in lower level next to sink and tv/stero area. I have a direct tv (tailgater) plugged into the ...
1
vote
2answers
52 views

GFCI Outlet trips when white and copper wire touch

I wired a bath renovation with all power routed through a GFCI outlet. With power on, and all switches off, when I touch the white wire and the bare copper wire in a fixture box, the GFCI trips (did ...
0
votes
1answer
87 views

Upgrade from outlet/switch combo to GFCI + outlet

In a bath in my house I currently have a very old (likely original 1949) outlet/switch combo. The outlet is hot, not dependent on the switch being on. The switch controls vanity lights. I would ...
3
votes
3answers
2k views

Why is GFCI tripping on refrigerator circuit?

My refrigerator is tripping the GFCI on the socket into which it is plugged. Searching about this topic seems to indicate that this is a reasonably common complaint. However, I can't find any ...
0
votes
1answer
107 views

How should I ground a GFCI to a metal box?

I've replaced some old GFCI receptacles in my kitchen, which live in metal electrical boxes. The old GFCIs did not have grounding conductors attached, but it seems that the boxes themselves are ...
0
votes
1answer
78 views

Is it possible for the black wire to be hot but to create reverse polarity in a GFCI?

Is it possible for a black wire to be hot, but to cause reverse polarity in a GFCI when it's connected to the brass screw? A no-contact voltage tester shows that the black wire is hot. The white wire ...
2
votes
1answer
175 views

How to Stop GFCI tripping when current drops too quickly?

I have my entire aquarium running off one GFCI. My lights are plugged into the top outlet and all of my pumps/etc are plugged into the other. If everything is running and I cut the switch (on the ...
1
vote
1answer
43 views

Why won't GFCIs indicator light show on plug?

My handyman installed 10 new Gfci's in a 1987 home. There has never been any in the home. They all work when you plug something in and do not trip- but the the indicator lights will not come on any ...
2
votes
2answers
54 views

Can a load on the line side ever trip a GFI?

Can a load on the line side of a GFI ever trip that GFI?
1
vote
1answer
80 views

Can you wire a 30A 2P standard circuit breaker “downstream” from a 60A GFCI 2p circuit breaker?

Will this still provide GFCI protection? Is this against code? Does this represent a hazard? I have a subpanel with a 60A GFCI circuit breaker, that I want to use that to feed to 2 30a 240v ...
0
votes
1answer
68 views

What is causing the clothes washer GFCI to trip?

I have a clothes washer which came with a gfci adapter. The cord didn't quite reach the nearest outlet, so we had the washer plugged into a (grounded) 3-outlet interior extension cord, then to the ...
4
votes
2answers
198 views

Can an outdoor receptacle be supplied through a GFCI in a bathroom?

My parents just bought a house that is still under the original warranty. There is a standard GFCI outlet in one of the bathrooms with outlets in the other two bathrooms connected to the load side of ...
3
votes
1answer
197 views

Can you have a GFCI breaker protecting a GFCI receptacle?

We have electrical outlets in two bathrooms on the same GFCI breaker. I would like to put a GFCI outlet for the only outlet in the guest bathroom so it can be easily reset if tripped. Can this be ...
5
votes
1answer
100 views

Does it matter if my newly installed GFCI reads “open ground”?

I just replaced a few two-prong outlets with GFCI outlets so we can plug in things built this millennium. Two of them outlets read "correct" on my circuit tester, but one reads "open ground." None of ...
1
vote
4answers
266 views

Sump pump & ejector pump: can I (and should I) change single dedicated non-GFCI receptacle to a dual receptacle GFCI?

Moved into a new home about 6 months ago which had been gut rehabbed. Our mechanical room has 2 pits, one for the sump pump and another for the ejector pump. I was planning on installing a ...
3
votes
1answer
390 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 ...
12
votes
1answer
781 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 ...
2
votes
2answers
467 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 ...
3
votes
3answers
1k 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 ...
1
vote
2answers
198 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 ...
0
votes
2answers
489 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 ...
1
vote
2answers
70 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 ...
1
vote
2answers
97 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 ...
1
vote
1answer
347 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 ...
1
vote
1answer
69 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
votes
2answers
296 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
1answer
207 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). ...
0
votes
1answer
139 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 ...
1
vote
1answer
89 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 ...