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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2answers
34 views

GFCI not working. Other receptacles do

I wired up 4 new double gang boxes for a fish room I’m building. On the first double gang box in the fish room I tied into an existing outlet on the same wall that faces opposite for the room on the ...
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1answer
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Gfi outlet trying to install light switch and light

While trying to install light switch and light from an existing gfi outlet the circuit faults whenever switch is turned on also the light comes on in the off position 12 gauge 3 wire coming to ...
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GFCI for aluminum-wired house

I recently bought a house built in the US in the 1970s. It has all-aluminum wiring. A last-second fix to pass the occupancy inspection involved replacing some malfunctioning GFCIs with, unbeknownst ...
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Any issue with GFCI outlet touching sides of outlet extender?

I have to extend a single gang outlet box to account for added depth from beadboard wainscoting. The box is PVC and so is the outlet extender. The problem is, the outlet is a GFCI and it is very snug ...
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New GFCI’s indicator light is green but outlets have no power

I installed new GFCI. It’s the last outlet in that circuit so I connected the wires without touching the yellow sticker. After all done, I tested it and green indicator light is solid. When I plug in, ...
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Are outlets near kitchen sink required to be protected by GFCI?

I have 2ea 4 plug outlets on either side of my kitchen sink. They are about 6in away from the edge and about 1ft up. There is no GFI on either outlet. I'm wondering if this is allowed by code? My ...
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79 views

Why does this kitchen receptacle located on the far side, away from the sink, need to be GFCI?

According to this answer, all receptacles in a kitchen that serve a countertop surface must be GFCI protected. Which Kitchen outlets do NOT need GFCI? I already replaced the outlets next to the sink ...
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Now I realize I used too many GFCI outlets. How can I reclaim them?

Yeah, so the building inspector redflagged a bunch of outlets for not being GFCI. Before I understood how the LOAD terminals work, I just replaced every single one with a GFCI outlet. Most had a ...
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GFCI From previous 120v double oven vs. a different GFCI for new 240v double oven

do you need a new/different GFCI receptacle when you upgrade/change your 120v double oven to a 240v double oven?
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All bathroom outlets are dead

We have a house built in 1995; I'm told it was built by a house builder as his own house. All the bathroom outlets in the house aren't working. Some are GFCI outlets and some are not. The ...
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3answers
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Replacing 2-prong outlets in basement - existing wiring has two hot wires, one neutral?

I'm replacing the two-pronged outlets in my basement with 3-pronged grounded outlets in the United States (Illinois). All the wiring is in metal conduit with metal conduit boxes, which are grounded ...
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128 views

Can an outlet be installed in the blank door panel in front of a sink?

According to the code what does it say about a receptacle outlet installed on a kitchen sink drawer? Can you do it or not? The panel is assumed to be fake.
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Kitchen rewire gone wrong

We're renovating a hundred-year-old house that's been through several owners and has hodge-podge wiring. I've redone all the wiring from scratch in the rooms we've re-walled. Everything has gone well ...
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1answer
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GFCI trips when flipping light switch in another room

I just replaced an old outlet in the bathroom with a new GFCI outlet. Works fine in the bathroom when plugging in a hair dryer. However, when I try to turn on the hallway light, the GFCI trips and ...
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79 views

Installing GFCI into a box that feeds two other outlets

I have a kitchen that has three countertop outlets all on the same branch circuit, and no GFCIs as the house was built prior to that code requirement. My plan was to replace the "first" outlet in the ...
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1answer
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Gfci open hot but trip indicator lit

I have a GFCI receptical with the trip indicator amber. It wiil not reset and the testor is showing open hot. 1. How can I get a lit test light, if there is an open hot? I replaced the receptical ...
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Why is my GFCI recpeptacle slow to trip?

I have a GFCI receptacle that takes 2-5 seconds to trip when testing with a standard 3 prong receptacle tester. The test button on the receptacle trips right away but two of my trustworthy handheld ...
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69 views

GFCI daisy chain problem

I'm in a 2006 mobile home that has a GFCI plug in behind my microwave it's the only plug I have for it. Theres five more regular plugs down stream from it that all say GFCI on them because they're ...
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1answer
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100 A GFCI breaker feeding a sub panel main lug

I have an outdoor sub panel that is a 100 A main lug. It is fed from the main panel by a regular 100A 2 pole breaker. I have several things that will be fed off the sub panel for a swimming pool that ...
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1answer
52 views

Will keeping a GFCI tripped increase its lifespan?

[USA] I have recently replaced the receptacles in my house with tamper-resistant ones, including the GFCIs. The GFCIs are the new auto-self-test type (Pass & Seymour 1597TR and 2097TR models). ...
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1answer
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GFCI for kitchen outlets far from faucet

I gave a galley kitchen and a couple of outlets on the side opposite of the sink, so about 5-6 ft away from water. Do they need to be GFCI or just regular because they are at a distance? What is the ...
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GFCI conversion trouble: receptacle not screwing into outlet support plate

I'm trying to convert old "razor only" receptacles to GFCI protected ones in bathrooms. Since the old outlets are large 2-gang 4" boxes, I had to get GFCI conversion kits (manufacturer's specs) with a ...
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Brand new LG washing machine tripping AFCI combination breaker in new house

Hey this is less of a question than a problem I was able to trouble shoot, but I have a feeling other people might be going through the same situation and might have come up with other solutions to ...
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Eliminating an outlet with 2 white 1 green and no black wires

I would like to eliminate an electrical outlet. When I removed it I was expecting to find blackk, white and green wires. However, I found there were 2 white wires and a green but no black. My ...
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Does a GFCI-protected bath light/fan unit need separate neutrals?

I hope there is an electrician on this forum who would know the answer to this. I am in the US and must have permits in my area and install per NEC. This is new construction. Installing a fan/light ...
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1answer
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GFCI keeps tripping

I have a virtually new home, remodeled after hurricane, new outlets everywhere. After a little more than a year, the GFCI keeps tripping. No new items plugged in, not doing anything different than I ...
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4answers
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Testing an uninstalled outlet

Is there some way to test an outlet to see if it's good and works without going through all the effort of installing it, like maybe with DC from a battery so that the LED lights? That may not be a ...
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1answer
37 views

Spa pump wiring

The house we purchased has a 220/120 32 jet spa. The 220 drives a circulation pump, heater and runs the 2 hp 1-speed jet pump. The jet pump is poor quality and undersized for that amount of jets and ...
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1answer
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GFCI No Equipment Ground not testing

A GFCI installed near a sink has this sticker on it. From what I gather online, this means the outlet was installed on place of an old 2 wire outlet, and it's safe anyway, and up to code. But it's not ...
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Window AC unit LCDI tripping when powered by my solar inverter

I have a small 200w solar power system consisting of a Victron 500VA inverter (900w peak) with a 100ah AGM battery. I just purchased a 5000BTU/4 amp window unit that draws a peak of 430w according to ...
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GFI outlets tripped after power outage

I live in a rural area that has frequent power outages (Several per month. Less than a minute in duration). When the power is restored, several GFI outlets always trip. I am trying to track down ...
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50AMP GFCI to Double Pole Switch with 6AWG

I will be preparing the electrical for a new hot tub installation. I have a sub-panel inside the house in the basement literally 2-3 feet from the panel. That panel also contains a 40AMP GFCI wired to ...
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Is a tight fit acceptable when fitting a GFCI into an old metal box?

It was recommended by the inspector to replace the current 2-prong outlets with GFCI outlets (grounded 3 prong was the top recommendation, but that is a bit out of budget for renovations at the moment)...
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2answers
148 views

Understanding GFCI configuration in basement

Good day- I am putting a treadmill in the basement of our three-year old home, and the manufacturer warns not to plug the treadmill into a GFCI outlet. Although the outlet I anticipate using is not ...
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1answer
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Why don't downstream outlets work after replacing a GFCI outlet?

I have a GFCI receptacle in the garage. There are two regular outlets in the garage as well that I believe are "downstream"/protected by this outlet as required by code. There is also another ...
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1answer
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220v, gfci and amps

i am a home brewer and have recently purchased a 200v 30amp brewing pot (NEMA 6-30p). I have a 220v 50amp rv receptacle (NEMA 14-50r) with a 50A GFCI double-pole breaker in the main house panel. I ...
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3answers
297 views

Problem with GFCI at start of circuit with both lights and two receptacles

With normal receptacle at first device in circuit all works fine--all lights and both receptacles. (I inherited the circuit--didn't do it myself.) I thought, "Why not install a GFCI as first device?" ...
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3answers
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Diagnosing RCD tripping to decide whether to fix or junk basic electric oven

Excuse any incorrect terminology in this question (I will correct if advised). I'm in the UK. I have a house with relatively new wiring (past 5 years) which has circuit breakers on the power and ...
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6answers
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How might one trip a breaker from a GFCI outlet?

Somewhat derivative of How can I trip a breaker from the outlet, how could someone relatively safely and quickly, with basic tools, trip a breaker at a GFCI outlet (relatively safely meaning not ...
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2answers
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Possible to ground-fault protect both legs of a MWBC with two single-pole breakers?

To get a MWBC working, with both legs GF protected, I installed 2 Single Pole GFI breakers, on adjacent slots, with a handle-tie. Since there are 2 lugs for Neutral wires, and only one neutral coming ...
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1answer
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Wiring question - Swapping in GFCI breaker for my dryer

I got a GFCI 30amp breaker and will be putting it in for my dryer circuit. Just want to confirm I'll be wiring this correctly before actually going ahead with it. In the red circle is the white ...
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1answer
61 views

Line to GRN or Neutral to GRN blowing my GFCI?

I just helped my friend change an outlet in the garage of a home he just moved into. The outlet was an old duplex that I replaced for a GFCI. The installation went fine, outlet tested properly and ...
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GFCI tripping on overload?

We called out the contractor who did our crawlspace encapsulation because the GFCI receptacle that serves the crawlspace loads (dehumidifier, sump pump, and two humidistat controlled fans) trips ...
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1answer
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How to wire GFCI combination switch/receptacle

I’ve looked all over and I can’t seem to find any diagrams for this specific application. I have a combo switch/outlet GFCI receptacle that is midstream on the circuit and I want to wire it so that ...
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2answers
401 views

Must I upgrade this bathroom circuit from 15 amps to 20 amps?

I have long known that the electricians who originally wired my house did some questionable things, one of which is putting every GFCI-protected outlet in the whole house (besides the kitchen) on one ...
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103 views

GCFI “test” button will not cause a trip

Preface to OP: I am a dope. The reason the GFCI does not trip when I push the "test" button is because the GFCI has failed. That's the whole point of the "test" button. End of story. Read on ...
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Diagnosing frequent trips on arc fault / ground fault (dual) breakers

During recent work we've been upgrading breakers to dual arc-fault / ground fault. Square D QO series (USA). I've noticed a couple of them tripping pretty frequently when certain appliances are used. ...
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What would trip a Eaton 20a gfci breaker

Fairly new less than one month old Eaton 20a gfci breaker to trip with nothing but the white common coil attached. Meaning the breaker is in the main box with no load circuit connected. Meaning I ...
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What is the max number of outlets on a GFCI circuit?

I found a couple of related questions about one GFCI for several outlets How do I properly wire GFCI outlets in parallel? How can I find the first receptacle in a circuit? But I am not finding ...
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is this the right way to ground fault protect both sides of an mwbc?

is this the correct way to ground fault-protect both sides of an mwbc? pigtail the (line) neutral to two separate gfci outlets, and pigtail the (load) neutrals to the neutral that's going outside.