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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19 views

GFCI outlet trips when one one device is plugged in even when it is off

I have a water circulator that worked fine plugged in the GFCI outlet in the bathroom. Currently the GFCI trips anytime the water circulator is plugged in even when the water circulator is turned off. ...
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26 views

Replaced GFCI no power in line wire but power in load wire

We overloaded our back lanai outlet (used 20amp doggy hair dryer on a 15amp breaker oops prior house handled it so didn't think to check) and melted the GFCI outlet in the garage that protects the ...
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3 way switch and gfci replacement in a 1959 home

I bought a home a few years back and have recently started upgrading some of its older 2 prong outlets with the nicer and safer GFCI outlets and some of the older switches with newer ones as well. My ...
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External GFCI Won't Reset

Last night we had a good rain storm and an exterior GFCI outlet tripped. That outlet is controlled by a switch in my foyer and is used to turn walkway lights on or off. The test button of the outlet ...
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Moving bathroom fan on GFCI outlet

I am replacing my bathroom ventilation fan and moving it right above the shower area. According to code Fan needs to be on GFCI now. Please take a look at picture near vanity wall. On Left there are ...
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New Dust Collector Trips GFI circuits

My new Oneida bench top dust collector works fine on non protected circuits, but it trips all the GFI as soon as I plug it in (with the fans off). I asked Oneida but they have not heard of this yet. ...
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416 views

Will a combo afci/gfci breaker solve my light switch neutral issue

So I'm in the process of adding a smart switch to my exterior lights which is on a gfci protected circuit. With the way the house is currently wired the lights are wired upstream of the gfci(which I ...
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Shorted receptacle, now another recep (GFCI) not working. Breaker perhaps?

Receptacle on one breaker, light switch next to it on another breaker. Mistakenly touched receptacle black wire on light switch and caused sparks. Receptacle failed after that. Had another nearby GFCI ...
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116 views

New Electric range trips GFCI when plugged in - 4 wire, bonding strap removed

I had an electrician install a 220v 40 amp circuit for a new electric range (Avanti DER20P3S) in the basement. The circuit is for a 4 wire (grounded) plug. I have wired the 4 wire plug to the range ...
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44 views

Is it ok to wire load on the line side of GFCI?

I am installing a GFCI that will be feeding additional outlets in another room. There are at least 5 more outlets and I suspect this new outlet is the very first in the run. Some of these load outlets ...
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Can two GFCI outlet loads be powered by two separate circuits?

My garage outlets and my outdoor outlets are all on the same GFCI circuit. If outdoor circuit gets wet my garage outlets lose power.
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Wiring a blank face afci, gfci and a regular outlets in a circuit, made a loud noise in gfci box

I've a new basement kitchen 20amp circuit (with regular 20 amp breaker) that has a blank face AFCI (near the panel), GFCI outlet (first outlet in the kitchen) and regular outlet at the end (used a 15 ...
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Connecting new GFCI in the middle of a circuit run

I have 4 outlet locations in a circuit run. From left to right, the line feed is directly to outlet location #3. I want a GFCI to protect all 4 outlets, so I want to put the GFCI in location #3. Can I ...
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Is it normal for GFI test button to trip GFI when the circuit is dead?

My welder has been tripping the GFI on the circuit in the garage after I have been using it a while. I finally took the cover off and discovered the electrician saved himself, what? $2 and used a ...
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Generator GFCI Outlet Tripping

Recently I purchased this 4375 watt generator from HF: https://www.harborfreight.com/merchandising-promotions/brands/predator/predator-generators/4375-watt-gas-powered-portable-generator-epa-iii-63962....
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Does this GFCI need a sticker for code-compliance?

I replaced a 2-prong outlet with a GFCI, wired as shown (connected ground wire coming into the box to the metal box as well as the ground screw of the GFCI, black wire to brass terminal & white to ...
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Ground Jump Cable attached to White on GFCI Receptacle?

Just bought a home, and going through minor electrical issues. The guest bathroom GFCI wasn't working. According to the prev. owner's labels in the fuse box, there is a single 20A breaker that ...
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63 views

GFCI with 12/3 line and 12/2 load

I have an outlet near a kitchen sink that, as part of a reno, would like to convert to GFCI, and tap into to power a dishwasher. The existing box has a 12/3 line coming in, and I fished and added 12/2 ...
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Steam Shower Requirements

I am installing a steam shower in Ontario, Canada. The unit is "TMG Industrial SR-915". The electrical specifications are listed as 220v/2.8 KW with gfci. My questions: the chord coming from ...
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71 views

Adding a 110v circuit off 220v spa wiring

I have a hot tub installed with 4-wire 50 amp service, with the GFCI 2-pole breaker at the main panel, and a simple non-fused pull disconnect switch subpanel near the hot tub. I want to split off a ...
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54 views

Microwave trips the AFCI almost every time it is used

Our new microwave trips the AFCI almost every time we use it. Electrician says it is drawing too much power and we should return it. Samsung over range Microwave 120 volts 1.5 kw AFGI 20 amp
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Is it safe to replace a 15 amp GFCI outlet with a 20 amp GFCI outlet?

I have a 15 amp GFCI outlet on a circuit that has a 20 amp breaker in the fuse panel. Is it safe to replace the 15 amp GFCI outlet with a 20 amp GFCI outlet?
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Replace GFCI outlet or the brand new washing machine?

I just bought a brand new washing machine and its tripping the (15 amp) GFCI circuit breaker. The main breaker in the fuse panel is 20 amps and is not tripping. The GFCI trips every time the washer ...
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How can I wire this switched GFCI combo outlet with two neutrals and two hot wires?

I’d like to wire a switched GFCI combo such that the switch controls the GFCI plug. I found this diagram for doing so: This looks easy enough. However, after unscrewing the current outlet, I’m seeing ...
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Can I safely deal with an open ground receptacle by replacing it with a GFCI?

I have found three receptacles in my home for which a three-light receptacle tester indicates open ground. Can I safely resolve this issue by replacing these receptacles with GFCI receptacles? Would ...
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Help wiring a GFCI outlet with multiple wires in the box

I was replacing/upgrading some electrical outlets in my house to GFCI. I did two of them, the third one is in the garage. The box has an outlet and a poll switch, I went to replace it but the outlet ...
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93 views

MWBC for split kitchen receptacle

When installing a split receptacle in a kitchen, where the top and bottom are each their own circuit, is there any way you can use an MWBC, or is your only option to run two normal circuits with two ...
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66 views

GFCI: both load and line have voltage

How should I wire my GFCI? There are 5 wires from the box, two blacks, two whites and a copper wire. I used a multi-meter to test the blacks they both have voltage of 117v (-ish). One white has 30v (...
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66 views

Can the neutral for a spa circuit be tied to either the neutral on a return leg or ground?

I am in the process of adding a pool heater. 240V (60A breaker/40A max load/3 wire) I also want to put this in a GFI. I have a SquareD/homeline box, which does not offer 60A GFCI breakers. So, I ...
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57 views

How do you (safely) test a GFCI circuit breaker from the outlet when the circuit has no ground?

I know I can press the "test" button on the breaker in the panel. But I want to double-check that there isn't some strange wiring situation hidden in the walls that could prevent the GFCI ...
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Ground and neutral bus considerations when wiring a gfci breaker

Hello all, I am adding a gfci breaker to my main breaker panel. By the looks of my panel I think the ground bus and neutral bus are bonded but not certain of this. It looks like my right bus bar is ...
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AFCI / GFCI Circuit failure

I've been unable to diagnose why a circuit in my house no longer works. It's a 20 amp circuit that feeds 4 outlets in my kitchen area, and it has both a GFCI(link) and AFCI. The entire house is ...
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Should my receptacle tester be able to trip a GFCI breaker in the panel box?

I have a receptacle tester with a button to test GFCI. It works properly in tripping the GFCI if the outlet itself is a GFCI outlet. However when I test it on circuits which have a GFCI breaker ...
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Why are USA/Canada using individual GFCI circuit breakers?

Where I come from, there are no GFCI sockets. Instead there is one circuit breaker on the main board that shuts down the entire house electricity in case the electric current returning to the main ...
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How do I know if my gfci is self-testing?

Are self-testing gfci mandatory since 2015? (My house was built in 2015). Is there a way to tell if my gfci are self-testing? (Without uninstalling preferably as if I take it out of the wall, I might ...
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Are GFCIs now required in all unfinished portion of a house?

I was really surprised that a city inspection did not pass based on regular outlets in an unfinished room in the basement. They are correctly jacketed and all of that stuff. They are simply ...
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Fridge tripping GFCI Outlet

I just got a new fridge and put the old one in the garage. It's connected to a GFCI outlet which it's tripping intermittently. It's not the breaker that's tripping, it's the outlet itself. The fridge ...
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Running new fridge line, get regular breakers, AFCI, combo with GFCI, GFCI outlet, etc?

My fridge (2017 GE upper double doors 1500 W, 145 W icemaker) is now on part of a four-outlet circuit with a microwave. An electrician is going to run a new circuit to the fridge only. He said I can ...
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101 views

GFCI Did Not Trip - Outdoor Extension Cord Fell in Mud

Outdoor GFCI with HD extension cord feeding Mosquito Magnet bug light (total load about 20W) fell to ground and was covered by water during storm. Current proceeded to travel through side of cord ...
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60 views

How should I connect a GCFI outlet and switches to the wires in my bathroom?

In my son's newly purchased house bath there is a box with 2 switches and an outlet. I am replacing the switches and changing the outlet to a GFCI. There is power coming in on a 12/3 cable, 12/2 cable ...
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77 views

How to test that GFCI works?

I hired an electrician to install a GFCI outlet outdoors. I need this to power some pumps in an aquaponics system, so I need to guarantee it works, so kids don't get hurt while playing in the water. ...
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30 views

Half Hot Outlet Tripping when Light is connected

I am hoping someone might be able to share some insight as to what I can next do to troubleshoot this problem. In my room I have 3 outlets, the last one in the in circuit is a half-hot outlet ...
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52 views

Outlets and lighting on covered patio - 240V to 120V

I have installed a covered patio and would like to add lights and a couple of outlets. The current set up is a breaker out there that was set up for a potential AC hookup; it is fed by a 10gauge wire ...
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61 views

Razor Socket to GFCI Conversion Kit.. Load terminals vs Pigtail

Hi, I'm trying to convert this 1973 "Razor Only" socket to GFCI. I have the full conversion kit and I'm wondering the best way to approach wiring it. I've seen videos where electricians do ...
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65 views

Are dual-function AFCI/GFCI breakers less effective than single-purpose GFCI breakers?

I have a house with old wires (cloth) that lack ground. I've been advised that we can install GFCI breakers on those circuits to help protect against the lack of ground. But since the wires are cloth, ...
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Why would a GFCI fail in one outlet, but not another?

We have multiple GFCI cords, such as this one (the GFCI is not an outlet). When plugged into a certain outlet, they all consistently trip with any load higher than a few watts. When plugged into any ...
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81 views

Does a GFCI also protect against arc faults?

I have an old house, the electrical cabling only has two wires with no ground wire. When I bought it years ago, I had an electrician in to look at it, and they put GFCI blank-face receptacles on every ...
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26 views

240 V AFCI substituting two 120 V not AFCI breakers

Could 240 V - 20 A AFCI breaker be used to supply power to two 120 V - 20 A circuits requiring AFCI protection? Recently wired to two separated 120 V 20 A non AFCI breakers but with common neutral?
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100 views

Diagnosing connected circuits; dangerous?

We fairly recently bought a c. 1907 house with a mess of wiring, some probably dating back to the 1940s. (In Canada, so 120 V.) Most of the circuits have no ground wire. I was trying to install a GFCI ...
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How do I choose GFI plug end replacement?

Would it be safe to replace a 16Amp GFI plug end (hair dryer) with a 15 Amp GFI plug end?

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