Questions tagged [gfci]

Ground Fault Circuit Interrupter(GFCI). Sometimes known as a GFI, or a residual-current device (RCD or RCCB). Can refer to receptacles as well as circuit breakers. They detect a leak in current, or an imbalance between the current on the hot and neutral wires. This is used to prevent electrical shock. Use with the [electrical] tag

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72 views

Electrical - GFCI tripping

I was replacing an outlet in my bathroom with a gfci outlet. When I throw on the power, it trips but not only that, it takes out a set of lights over the mirror which are connected to a double switch ...
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568 views

Multiple GFCI with two hot wires and shared neutral

I learned about wiring multiple GFCIs with 12-3 wire from this post: How do I install a GFCI receptacle with two hot wires and common neutral? And a I have a related question as to why this circuit (...
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Added Outlet to a GFI Receptacle covered circuit

In my garage I have a single 15 Amp circuit that has 4 receptacles on it. One of the receptacles has a refrigerator and an upright small freezer on it, all are non-self defrosting type. Nothing else ...
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Can I add a non-GFCI receptacle in the garage for a freezer?

It seems that GFCI-protected receptacles are required in all areas of the garage (even on the ceiling, where the garage door opener plugs in). Can I install a non-protected (15A) receptacle ...
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383 views

Should outdoor lamp post be on GFCI

I have an outdoor lamppost at the end of my driveway. Its not currently on a GFCI circuit. Shouldn't it be? It does not have an outlet by it. If it did, then it would need GFCI for sure, right?
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Add a switch for a pool light

We just bought a house that needed some upgrades and one of the first ones up was the electrical panel. Hired an electrical company to come out and upgrade it to a 200amp box. Work went fine and ...
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576 views

Is there harm in using a GFCI outlet as a switch?

I have a GFCI outlet in my garage which is about 4 feet off the ground. I have a couple work lights plugged into it which can only be turned on and off by plugging/unplugging them. I have recently ...
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Two GFCI's on the same circuit in my RV. One works. One doesn't

My RV is running 120v off an inverter, if that matters. One circuit is for everything in the rear of the RV and goes from the breaker panel to a GFCI in the bedroom and then branches out to all 4 ...
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outdoor gfi stopped working

I had an electrician come and change my outdoor outlet. He replaced it with a weatherproof GFI. It worked for 1 day and stopped working. I called him numerous times to come back but he would mot come. ...
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Is a Replacing GFCI difficult [duplicate]

I have a GFCI outlet in my powder room that needs to be replaced. Is it significantly more difficult to replace a GFCI than an ordinary outlet?
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Tankless 240V water heater in detached garage tripping AFCI/GFCI breakers in house

We have two separate buildings, a house and a garage/workshop, about 20 feet apart, sharing the same electrical service. On the service entrance, there's a Siemens whole-house surge protector. The ...
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Two black, two white, two ground, one red wire in bathroom receptacle: huh?

I'm going through my house (built 1940s) and replacing a bunch of receptacles with GFCIs. Most of the receptacles that I've opened up have one black and one white: I hook them up to the hot and ...
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GFCI position in the line

I am installing a GFCI. There are several other outlets in the same line. How can I find out which of the other outlets is downstream from the GFCI?
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Ceiling fan on one circuit tripping GFCI on separate circuit

Installed a ceiling fan dimmer switch in a bedroom that is on an arc fault circuit. When pushing the dimmer switch up or down on the ceiling fan, it then trips the GFCI outlet on the bathroom circuit....
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423 views

GFCI won't reset even though circuit is ok

I have a shop wired without GFCI outlets. I decided that was unsafe so purchased three GFCI outlets, picked the nearest outlet and wired as described. When I powered it up a huge POP occurred in the ...
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GFCI rating for Bathroom and Kitchen

An electrician came over today for an inspection, and pointed out that the GFCI's we have in the bathroom, kitchen and garage are only 15Amp; they claim that code requires 20Amp GFCIs in these ...
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GFCI Suddenly Tripping

I have 4 GFCI plugs on the kitchen wall that have been there for a few years. Late afternoon yesterday, all 4 tripped. I kept resetting them and they kept tripping. 2 are on 1 breaker and 2 on another....
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2 GFCIs out of one box to different circuits

I just rewired my garage using what was there and have non-functional brand new GFCI outlets. They both come out of one box and feed separate circuits in my garage (one to a wall and other to my ...
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363 views

breakers all putting out power but outlet not working

Was using a power drill on a gfci outlet and power suddenly stopped. The trip light did not go on on the outlet but the test button cannot be pushed (means no power, correct?) I took off the gfci and ...
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GFI outlets not working - resets working

4 outside GFI outlets and 2 in the garage not working. One in the garage has a GFI red light. The light is powered on, but outlet doesn't work. The Elec Panel GFI is not tripped. Help
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Double-pole, 240-Volt, 15 Amp GFCI circuit breaker to create two 15amp 120 circuits for switched split receptacles

Double-pole, 240-Volt, 15 Amp GFCI circuit breaker to create two 15amp 120 circuits for switched split receptacles. Im trying to figure if i can share a neutral after GFCI dual pole breaker so i can ...
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687 views

How should I connect GFCI outlets where the wires loop over the existing outlet?

Hopefully this picture explains it all. However I'm confused what to do with my hot and neutral wires in a loop like this. Obviously these lines are connected to outlets down the line, but I'm not ...
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How should I connect a GFCI outlet on a well pump circuit?

I need help installing a GFI that's outside house. In the box there are 2 white wires and 2 black & bare ground. One set of wires come from the house and the other 2 go to a well. I tried hooking ...
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Why does my bath fan trip the GFCI outlet protecting it?

I am attempting to protect a new bath exhaust fan (DewStop Breezeasy F22-1w) through a GFCI (Leviton SmartLocPro) The area is a new construction bathroom. Each time I attempt to switch on the fan the ...
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Adding a GFCI to an existing circuit. 2 black, 2 white wire problem

I'm trying to add a GFCI outlet to an existing circuit and have run into an unexpected obstacle. All of the wiring literature and videos I've come across allude to either 12/2 or 14/2 cable with 1 ...
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70 views

GFI trips when light fixture plugged in

When I plug a light (in a metal enclosure) into an outdoor GFI, the GFI trips. This happens on two different outdoor GFIs that are near to each other. My test meter detects no connection between ...
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AFCI Breaker Randomly Tripping - No New Devices

We did a lot of investigating and found several clarifications that I didn't have correct in my previous post. New summary of the problem: It's a Siemens Type QAF 20 amp breaker, 2006-built home - ...
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Why would the neutral wire in my bathroom's outlet box have voltage?

So, my wife was using the hair dryer in the bathroom, connected to the GFCI plug when the power to the bathroom plug goes out. I toggled the circuit breaker on/off, still not power. Suspecting the ...
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470 views

Feit receptacle with USB ports trip GFCI

I replaced a standard dual 120V outlet at the end of a kitchen counter GFCI circuit with the Feit dual 120V with 2 USB Ports. I taped over the outlet screws as I'm pushing it into a metal box and a ...
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How can I prevent an exterior GFCI outlet from tripping so often?

Presently I have a GFCI (120V) located on an outlet in my utility room of the house. From this outlet on the LOAD side, I have a #12 3 wire cable running in Schedule 40 conduit underground 150 feet ...
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Plugging load into any of the last few downstream duplexes trips the gfci

In an old house with no ground wires and metal duplex boxes, we installed a GFCI in the first box in one circuit, and new 3-prong duplexes downstream named A through E. When we plug a load into duplex ...
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914 views

GFCI/AFCI Trips With No Load And New Wire

I moved into a house last year that has some 2-wire receptacles, and some 3-wire receptacles. I have been adding GFCIs and AFCIs where required. I recently removed the conductors and old receptacles ...
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How to GFCI-protect a 3 gang box where each receptacle is on a different circuit

How to GFCI-protect a 3 gang box where each receptacle is on a different circuit. There's a 3-gang box near my kitchen sink. In it is a light switch, the garbage disposal switch, and an outlet. All ...
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62 views

Dead electrical outlets in garage

Garage and (1) exterior outlet on porch & (1) exterior GFCI outlet in back of house are all on the same circuit breaker. All circuit breakers in the panel are on. All GFCI outlets in Kitchen ...
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208 views

Why don't my lights work after I added a GFCI outlet to the circuit?

I replaced an old outlet with a GFCI outlet in my bathroom. I know that I've installed it correctly because I've tested it with a night light. But I can't get the light fixture above my vanity to ...
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255 views

EMT or PVC in Bathroom?

OK, so I am wiring my cabin (actually a small house, 16x24), and I have a 6x8 room that will eventually become a bathroom, and a nook that will be a kitchenette. All the wiring in the house is surface ...
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224 views

Can I install a switch between two GFCI outlets so that only one can be used at a time?

I have a GFCI receptacle installed on the side of my house in a weatherproof box. It is on a dedicated circuit. I need another receptacle on the other side of the wall in the car port so my wife can ...
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Add bathroom light fixture to GFCI or not possible?

In my bathroom near the sink is a GFCI outlet. I installed a new medicine cabinet and I want to add lights that currently do not exist. I will connect these fixtures with Romex wiring that I will ...
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How should I hang a receptacle on a rim joist?

So I am wiring my cabin, and here I have a crawlspace which I will button up with some mesh & skirting, but for all intents & purposes, I am considering it open to everything (dogs, rodents, ...
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after using blender, all outlets in kitchen stopped working and now devices connected to them flicker on and off

A family member was using the blender this afternoon in the kitchen, and it suddenly stopped working, along with the rest of the outlets in the kitchen. I reset all the breakers, including the main, ...
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Bathroom Wiring - Existing light - Add Bath fan - Add gfci outlet

I have a single light fixture in my bathroom on onw switch. The room has no fan and no outlets. I want to add one fan, and add one gfci outlet. I have two ideas. Looking for pro / con / feasibility +...
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Requesting Evaluation of Power Plan at Rural Cabin

What I am looking for is guidance and honest evaluation. I'm not afraid of being wrong. I want to save some bucks and learn some things, without blowing myself up. So please tell me if I'm doing ...
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537 views

In a double gang box with 3 wires & ground

Red and black are hot. White is not. I have been trying to wire a GFCI & an outlet/switch combo. Tried numerous configurations and just bought a new GFCI because i suspected it. Nothing has ...
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112 views

GFCI master works but others in chain aren’t

The GFC outlet in the garage is linked to 5 outlets in the kitchen, as well as to the garage door. The outlet in the garage and the garage door works and it resets, etc as it should. The outlets it ...
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9k views

Outlet tester shows “open ground” on GFCI outlet

I used a standard three-lamp outlet tester on an GFCI outlet, and it shows "open ground". Should I be worried? This is not a special "GFCI tester"; it's just an ordinary plug-in three-lamp ...
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septic pump trips new gfci on dedicated circut

Its 2/5/20118 now and my septic pump on a brand new gfci trips the gfci---the new float switch does not by itself trip the gfci--the pump by it self or in combo with the flooat switch does trip--I ...
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962 views

GFI Tripping at same time every day,

I have a GFI Outlet in my kitchen. It trips faithfully, every morning at 6:05 AM. I have checked every outlet on the same line and nothing attaches to anything on a timer that may trigger it. When ...
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778 views

Combination GFCI/AFCI Breaker not working when replacing regular breaker

First time posting. I'm doing some upgrades to our house electrical. We live in a 1950s home. An electrician recommended I replace the old breakers on ungrounded circuits off the house sub-panel ...
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135 views

How to wire a single toggle switch/outlet in a GFCI circuit

I have installed a single toggle switch/outlet on a GFCI circuit and the outlet is fine, however, the toggle switch for 3 recessed led lights trips the GFCI. It a Remodel. I have run 12/3 w/grd from ...
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5k views

GFCI outlet with led light not on but have power

I have a new GFCI outlet with the LED light not on. But the outlet has power and the load outlet also has power. The test button works and you can reset the GFCI, but no LED light comes on. What can ...