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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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, ...
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199 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 ...
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549 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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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 ...
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40 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 ...
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70 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 ...
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49 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 ...
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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 ...
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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 ...
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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 ...
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49 views

Wiring a gfci switch combo…I can't get the light to turn off?

I have a Pass & Seymour GFCI Switch/outlet combo. I am replacing a switch/outlet combo that was a non gfci. I haver three wires coming into the box. The hot wire, the wire to the light and a ...
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123 views

Gas Dryer suddenly trips any GFCI Outlet immediately upon being plugged in, but works fine in non GFCI

I have a Maytag Centennial gas clothes dryer in my laundry room. It is connected to a non-gfci outlet which is downstream of another outlet with built in gfci. It has been connected like this and ...
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42 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 ...
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567 views

Why do I have a 3 wire/double pole breaker for kitchen receptacle?

I am switching my kitchen receptacle to a GFI; it has 3 wires. I'm pretty sure I have to break the bar between the two hot screws, thus making the top and bottom on a separate circuit. What is the ...
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362 views

Washer tripping gfi outlet

I've been living in my house for almost two years and my washer and dryer have been working fine. I have a maytag Neptune washer and dryer, just the other day I took a packet of tide washing machine ...
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310 views

How to finish the wiring of a shared GFCI receptacle

My neighbor who is an electrician helped me start an electrical project in my garage but has been MIA for 3 weeks and I'm not sure how to finish the wiring of the receptacles. He didn't seem to start ...
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191 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.
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52 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 ...
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87 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 ...
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86 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 ...
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167 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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225 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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54 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? ...
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166 views

Why does a GFCI breaker and receptacle on the same circuit cause tripping tripping?

I work in the apt industry as maintenance, currently on a new property. I had a call this weekend about no power in kitchen outlets or dining room. I found a GFCI outlet in the run, tried resetting it ...