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
0answers
25 views

How do I prevent my generator from permanently tripping my GFCI breakers?

I have an old house with a new addition. The new addition has a subpanel to the od house panel. This new subpanel required GFCI breakers. When I started the generator it tripped all these GFCI ...
3
votes
3answers
13k 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 ...
2
votes
2answers
119 views

Problems with GFCI outlets recently installed

I had 3 GFCI outlets installed recently in my home in by a contractor and now have some lights that do not work at all. The contractor put one in my kitchen, one in my 2nd floor bathroom and one in ...
1
vote
2answers
295 views

How do I wire this switch/outlet combo?

This 5 minute task has kept me busy for an hour. Old switch/outlet combo melted. Replacing with gfci combo. Red/White pair is the line. Orange/White pair is the load to the light. Strangely, ...
3
votes
1answer
146 views

Proper boxe for surface mounting GFCI outlet for a garage/utility space?

I'd like to replace the following electrical box, which runs a laundry: What are good options for surface mount boxes? It should hold the GFCI securely (not require funky mounting of the tabs, ...
2
votes
2answers
319 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
0answers
26 views

Outlets that seem to be on same circuit, but not behaving that way

I'm trying to install a GFCI outlet in my kitchen. My understanding is that you can install one GFCI on the circuit and this will protect all of the other outlets. This is assuming that the GFCI ...
1
vote
1answer
27 views

non grounded outlets converted to gfi

If I have 5 old outlets that are not grounded(but installed in old plaster walls that I dont want to disturb) can I wire a gfi at lead of circuit and protect the others downstream. I have access to 1 ...
2
votes
1answer
80 views

Can a GFCI outlet be bad? If so, will it take everything on the circuit?

Can a GFCI outlet go bad, causing the entire electrical line to open?
1
vote
1answer
64 views

GFCI receptacle with a light fixture with an on/off switch in between

We have a working GFCI outlet in the basement near a tub that the washing machiner empties into. We'd like to install an overhead utility light, controlled by an on/off switch, protected by the GFCI ...
1
vote
1answer
555 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 ...
1
vote
1answer
49 views

How can I replace circuit breakers with GFCI breakers when it is a multiwire branch circuit?

We have 2 carriage lights on our patio and 3 flood lights on our eves. The carriage lights are controlled by two 3-way switches and the yard lights are controlled by another set of two 3-way light ...
2
votes
2answers
40 views

Connecting 2 GFCI Breakers to 2 Hot Leads and 1 Common

So I just bought my first house and in lieu of changing loads of outlets in the kitchen for GFCI outlets I went with two 20A GFCI breakers. Upon going to install the breakers I found that the cable ...
1
vote
1answer
202 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 ...
0
votes
1answer
73 views

Odd receptacle wiring

I have several receptacles with two cables: one has black and white wires, the other - black and red wires. Can I replace these receptacles with GFCIs? If affirmative, how should I interpret the red ...
1
vote
2answers
373 views

Electrical outlet right above sink

I recently moved into a unit of a 4 plex in Ontario, Canada. This thing scares me: Is an electrical outlet allowed to be above the sink like that? Was it ever allowed? It it something that ...
4
votes
4answers
676 views

Why are GFCI systems typically in the receptacle instead of in the breaker?

Since the breaker box contains all the other electrical safety equipment it would make sense to put GFCI systems here; and GFCI circuit breakers are available which do this. But GFCIs inside ...
3
votes
2answers
56 views

Weather Resistant Outlets vs Weather Proof Box

If I use a regular GFCI in a Weather Proof In-Use box does the GFCI have to be the Weather Resistant kind?
4
votes
1answer
348 views

Is there any advantage to using a weather resistant GFCI in a bathroom?

I'm replacing an old GFCI in a bathroom, and for a little more money, I could buy one rated for weather resistance. This bathroom has no fan (only a small window), so it can get pretty steamy with ...
0
votes
1answer
45 views

Should I replace a GFI in my kitchen that will not reset?

I have three wall plugs fed into a 15A wall GFI. One of the outlets has a refrigerator with a two pronged plug. When plugging in a toaster oven and countertop grill the circuit tripped and will not ...
7
votes
5answers
9k views

What could be causing AFCI breaker and GFCI receptacle nuisance tripping?

I have a very unusual set of electrical issues that have proven difficult to troubleshoot. I live in a newly constructed house. Each bedroom has AFCI breakers. In the past 3 years living there, the ...
0
votes
1answer
40 views

How do GFCI breakers behave on two wire circuits?

Will a GFCI breaker nuisance-trip if a three prong outlet has a jumper between ground and neutral on an old two wire system?
2
votes
2answers
197 views

GfCI trips in bathroom

Hi I have a bathroom gfci which is connected to the lights , fan and receptacles in bathroom , bedroom and landing . It's about a 45 year old house . Without protecting the circuits in the bedroom how ...
1
vote
1answer
51 views

How to map out downstream outlets for GFCI install

I live in an older home with 2 prong plugs. I want to update these with 3 prong. My plan is to put a GFCI at the first outlet in the circuit and then regular 3 prong outlets downstream from there. I ...
0
votes
1answer
29 views

Gfci supplies a dock keeps tripping and can't be reset only replaced

I have educated myself about gfci's although I am a diy'er. My gfci has my dock plugged into it. About once a year it trips and can't be reset only replaced. All outlets on the dock are weather proof. ...
1
vote
0answers
52 views

Washing machine randomly tripping GFCI

I read a previous question regarding a GFCI outlet and a washing machine, but my issue is slightly different. I have 2 GFCI outlets in a washroom in the downstairs of my home. One is obviously ...
3
votes
1answer
105 views

GFCI Kitchen Circuit(s)

I understand that all wall receptacles (including counters) must be GFCI protected in a kitchen with a combined dining area but how about a separate dining area/room receptacles (separated from ...
2
votes
1answer
42 views

Can a GFCI combo and a switch be independently connected to a light and a fan using 14/3 wire?

The box on the left in the diagram is a dimmer switch and the box on the right is a GFCI combo switch. The ground wiring is absent from the diagram. How can this wiring be completed to connect the fan ...
3
votes
1answer
222 views

Can I plug a multi-outlet adapter into a GFCI outlet?

I have a GFCI outlet in my kitchen where I would like to plug in more than two things. I was thinking I could just add a multi-outlet adapter to one of the outlets, or maybe a short 1->3 plug ...
3
votes
3answers
3k 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 ...
3
votes
1answer
7k views

Sump Pump Trips GFCI Receptacle. Is a single, dedicated non-GFCI receptacle safe?

I recently replaced my sump pump in one of my two sump pits. To comply with codes, I replaced the outlet with a GFCI type outlet. Unfortunately, once I turn the power back on, the GFCI trips ...
1
vote
1answer
53 views

Sauna tripping GFCI

I've just finished up wiring an old heater in my sauna. It has laid around in a shed for a decade or so and am wondering if it's spent. It powered on fine and heated for about 5 minutes until the GFCI ...
2
votes
1answer
89 views

Wiring Combination Switch GFCI Outlet

I read some related questions, but can't find an answer given my wiring. I'm trying to wire a combination switch/GFCI outlet Pass & Seymour 1595SWTTRWCC4. I also checked the wiring diagrams, and ...
1
vote
1answer
52 views

Why do you need a Residual Current Device if you already have trip switches?

My electrician has suggested installing a RCD into the house. We already have trip switches so I am not sure what the point is (but then my knowledge of RCDs is limited to what the Wikipedia article ...
2
votes
0answers
59 views

Is there a safe alternative to electrical grounding for computers in Argentina?

I came across this APC product page for Microsol Isolator Modules, which purportedly provide "safe power in places with poor or nonexistent grounding." The unit is meant for Brazil, so it won't work ...
2
votes
3answers
446 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 ...
4
votes
1answer
129 views

Why is this light fixture tripping the GFCI?

I recently replaced an outlet with a GFCI outlet in a bathroom in an older home (1960s), and added a light/bath fan. In the same box as the outlet I replaced was a single pole switch to a light over ...
0
votes
2answers
71 views

How to connect a earth leakage detection GFCI/ELCB?

My specifications are as follows: 2 in phase 120V lines 1 Neutral 1 Ground So, I should use a 240V GFCI, right ? This is the one I plan to use: Heavy Duty - High Power GFCIs part no- 23250 003-1 ...
2
votes
1answer
104 views

GFCI breaker trips, but GFCI outlet does not?

Little background before I ask question. I pulled a lines from main panel to outside subpanel, some 130 ft away. Put double pole regular breaker in the main panel (60A). In the sub panel I placed on ...
1
vote
2answers
285 views

Can I run power from a GFCI receptacle to a standard receptacle then to a light switch?

I have a single GFCI outlet and I want to add a few standard receptacles and a light from it. I am curious if it is possible to go from the GFCI, to two standard outlets then on to a light switch?
3
votes
2answers
169 views

How to wire a GFCI duplex outlet with a garbage disposal switch & combo outlet on load?

We moved into a new house last week. I was greeted with a faulty garbage disposal switch in the kitchen. The switch works intermittently depending on how hard it's pressed. The second issue was the ...
0
votes
1answer
73 views

gfci breakers vs afci / dfci

If I use GFCI breakers do I still need GFCI receptacles? Also I see some combonation AFCI / GFCI breakers. Are these reliable? And my last question of the weeek. Is the home run in a branch circuit a ...
0
votes
2answers
50 views

Can I wire a GFCI so that each receptacle is controlled by it's own switch?

Can I wire a GFCI so that each receptacle is controlled by it's own switch? This is for a water fountain pump and light. Diagrams, please.
2
votes
3answers
56 views

Continue with Back Wire on GFCI when the wire keeps coming out?

Having trouble with the back wire on GFCI's popping free. 20amp, 12 gauge wire. When I fold the wires into the box, they like to come free of the back wire hole. I suspect this is due to the ...
1
vote
2answers
6k 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 ...
3
votes
1answer
312 views

How do I replace two split receptacles with GFCI receptacles?

I need to replace two receptacles in my kitchen with GFCI outlets. On each receptacle, the top and bottom outlet are on different breakers. I've replaced standard outlets before, but this seems a bit ...
4
votes
3answers
5k views

Why does a GFCI trip when anything is plugged into the other outlets?

There is one outlet with the GFCI and several other outlets without. The GFCI outlet works fine, while anything plugged into the other outlets causes the GFCI to trip. How should I detect and fix ...
6
votes
1answer
26k views

How do I wire a GFCI/Switch Combo?

I'm replacing an old GFCI/Switch combo. In the old one there are two wires coming into the line side, a hot wire and a neutral. On the load side there is one wire leading up to the lighting fixture. ...
0
votes
2answers
58 views

Change GFCI outlet/switch with regular switch

I have 2 switches in my bathroom: a fan (power comes into the fan and it's just a simple black/white to the switch) and a switch/outlet GFCI combo where the switch powers the lights but the outlet ...
2
votes
2answers
301 views

Can I use a GFCI on an ungrounded 2-wire circuit at the terminus?

I mistakenly ran 18ga twin lead through plastic conduit out to power 12 volt lights. Never hooked up. Now I want to power a .68 amp 120V pump on a water feature. Too many 90 degree elbows to be able ...