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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90 views

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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89 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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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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74 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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29 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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44 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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1answer
56 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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54 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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79 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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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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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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GFCI tester shows fault, but everything is working

I have a GFCI outlet and when the GFCI tester is plugged in, that shows this error code when it is tripped: greater than 30VAC, and open ground, open neutral. I’ve replaced the GFCI, but I still get ...
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79 views

Turn 6-wire outlet into 2 GFCI outlets

This question is not for the faint of heart. I want to know if I can turn an old outlet on a multi-wire branch circuit (MWBC) into 1 or 2 GFCI outlets. My house was built in 1970 and has a MWBC in the ...
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Turning on GFCI breaker on subpanel trips main breaker

I have a subpanel feeding off a 50 amp breaker. The subpanel contains a GFCI 50 amp breaker which is connected to a new 32amp spa heater. When I flip the GFCI breaker on for the heater, it immediately ...
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620 views

Do GFCI outlets require more than standard box volume?

I purchased 2 Carlin 2-gang old work box with max cubic in fill limit of 25. These are being installed in a garage so each receptacle is gfci. I have wired them in parallel so there is a pigtail in ...
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50 views

New circuit and towel warmers for two bathrooms

I am planning to add a new dedicated circuit (15A) for two hard wired towel warmers in two bathrooms, each towel warmer is 150w. See image for my thoughts. For the first bathroom: run the new circuit ...
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GFCI Protected Outlet Trips with GFCI Outlet Tester, but the outlet lost power

I plugged my GFCI Outlet Tester into a GFCI protected Outlet. Pressing the test button, the outlet was tripped fine. But no matter how I pressed the reset button on the GFCI receptacle. The outlet ...
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980 views

Are GFCI outlets allowed on new circuit installations?

A comment thread on GFCI outlet on 2-wire ungrounded question led to a discussion of whether GFCI is better/worse or even permitted at point-of-use (GFCI/receptacle) instead of GFCI/breakers in the ...
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GFCI outlet on 2-wire ungrounded question

I have some 2-wire ungrounded outlets in a room that I want to put a bunch of electronics and computer. I know I can replace this with a GFCI outlet and label with "No equipment ground". ...
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87 views

Whole House GFCI Trips In Cold Weather

Note that this is in Thailand where there are no rules. My home has a main breaker which includes a GFCI. Recently the breaker has started to trip when it gets cold. (This is Thailand. Cold means ...
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GFCI blinks red once

I installed a new GFCI outlet and it seems to work; the light is generally a solid green. however it does blink red once every 30 to 90 seconds. I found plenty of documentation around a solid red ...
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42 views

Are you supposed to leave the pigtail lead on an GCFI / AFCI breaker curled up?

Here's an example of the kind of breaker I'm thinking of: They come with the lead neatly curled up. Is this curl meant to be maintained for some reason once the breaker in installed? Or is it just a ...
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81 views

Ground fault causing main breaker to trip [closed]

If there was a ground fault causing severe electric shock, and no gfci protection in place, could it ever reach and trip the main breaker, or would it always trip a regular breaker for that circuit ...
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Wiring single circuit GFCI circuit breaker where a duplex GFCI breaker is shown in wiring diagram

I am wiring a hot tub. The spa subpanel I purchased (Eaton) came with a 50 amp duplex GFCI breaker which is what many spas use. I bought a used Hot Springs Spa and found instead of a single 240 volt ...
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1answer
51 views

Wire termination under cabinet

When I moved into my home, there was an ancient under-cabinet fluorescent light fixture over the kitchen sink, which I promptly removed. The fixture was just mounted to the cabinet, no electrical box, ...
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93 views

Multiple Dead Outlets, Breaker not tripped

I am hoping for some help here because this problem is driving me nuts. A few days ago our outdoor outlets stopping working (we had Xmas lights plugged in). There is also an outlet in our basement ...
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2answers
386 views

New GFCI breaker keeps tripping

I have an older home without GFCI outlets in the bathrooms. The electrical boxes are too small to fit a GFCI outlet. I was hoping to change the breaker in the electrical panel to a GFCI breaker but ...
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1answer
58 views

Last Follow-up to Two Previous MC 12/4 posts on 12/18/20 and 12/19/20 — Please Check My Plan?

Hoping this is my last question on this topic - ref. Following-up from New Circuit Help Please - Feeding 2-gang receptacle boxes with MC 12/4 You kind souls saved me from myself. I’ll implement the “...
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Can standard receptacles be installed downstream of water-resistant GFCI receptacles?

Since “WR” receptacles are required on exterior of residences, can I still install standard receptacles on the load side?
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How can I correct my wiring to eliminate sequential GFCI outlets?

UPDATED QUESTION Thanks all, this is extremely helpful and interesting. I've since uninstalled the outlets and have written up a new diagram to see what you guys think. (1) I'm removing the 2nd GFCI ...
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108 views

How do I identify which neutral wire to attach to my GFCI breaker?

I want to replace a standard 15A breaker with a GFCI breaker. There are 10-15 circuits coming into the breaker box in conduit, not in NM-B cables. How do I determine which neutral (of the 10-15) goes ...
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98 views

Is burnt looking wiring still serviceable? [closed]

I was trying to replace a GFCI in a bathroom and the cable and wires are pretty black. The GFCI is also pretty burnt. Do I need to replace the wiring and the GFCI or can I reuse the wire?
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55 views

GFCI randomly trips (very infrequently)- can I replace it with a regular outlet?

I have a GFCI outlet in a bedroom that I use as an office that randomly trips. This is very infrequent, maybe once a month and doesn't seem to be connected to electricity usage on the circuit (...
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42 views

GFCI failure on 240v spa?

I have a 240V outdoor spa with a 30A GFCI disconnect nearby. The spa was working fine until a week ago. Totally dead. I had a spa repair come out and he diagnosed that it was due to the input power....
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3answers
72 views

No power to switch box and overhead fans/lights in master bed/bath. No tripped GFCI, no tripped breakers

Just moved into a 2-story home built in 2002. Upon move in, all lights and switches worked except for a pantry light downstairs and one of the outlets in an outlet box in a small bedroom upstairs. ...
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106 views

Can I split a shared neutral between two GFCI breakers?

I have two 15A circuits that share a neutral. Currently, they go to two normal breakers, and I'd like to replace two those breakers (side-by-side in the breaker box) with plug-on neutral GFCI ...
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2answers
78 views

Adding an electrical outlet to a toilet/tub room

I would like to add a GFCI electrical outlet in a toilet/tub room. I can tie into a dedicated 20 amp switch circuit for the light/vent/heater in the toilet/tub room. I am concerned about having enough ...
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360 views

Tesla Mobile Connector tripping GFCI on NEMA 5-15

Many times when I plug in my Tesla, the GFCI 5-15 outlet in our garage trips, killing the whole circuit. It usually works fine after resetting the GFCI and trying again. This happens whether or not I ...
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27 views

No current to GFCI outlet after installation in to junction box

I just installed a new 20 amp GFCI in an outdoor outlet. There are only three wires coming out of the junction box, the black, white and copper wire. After installation, I turned the current back on ...
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1k views

Does a light circuit in a garage need GFCI protection?

We are in the process of building a new garage. I am putting 4 rows of light on separate light switches, they will be on separate circuits so if a breaker would trip I won't be in the dark. From what ...
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1answer
55 views

Adding couple outlets from portable generator wiring to house

I want to add a couple of outlets from a generator to inside of the house to avoid having extension cords running through the door when the power is out. Similarly to this product. I’ve got a small ...
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2answers
67 views

GFI outlet vs breakers, maintenance needed

I have a house with a Square D QO Load center breaker box, circa 1973. Over the years there's been some remodeling done and some circuits added. Everything was done to whatever code was in effect at ...
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1answer
43 views

GFCI Test button is intermittent

I put in a new GFCI outlet (Electeck model GF-15-WT-5PK), but my TEST button is intermittent. It takes 2-4 presses to trip it off. There was no issue before I mounted it to the wall. Initially it ...
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Help locating GFCI reset for exterior outlets

I have lost power to my exterior outlets. I have gone through the house resetting GFCI outlets in the kitchen, garage and bathrooms with no luck. I also looked and found no GFCI outlets outside. I ...
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38 views

Outlet not working Properly

I decided to put a GFCI outlet in my kitchen. It's an old house and only had 2 duplex outlets in the kitchen. I wired the GFCI making sure I used the correct wire terminals. I left the other terminals ...
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1answer
40 views

Receptacle upstream from GFCI with an issue causing GFCI to trip?

I'm not sure what to do next, and I'm fairly inexperienced with troubleshooting home electrical issues. My investigation started with the GFCI receptacle on the kitchen counter receptacles tripping ...
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1answer
61 views

what circuit breakers are compatible with eaton gfci , 50 amp, 2 pole breaker?

To be precise I have all eaton breakers in my subpanel, and I'd like to replace this exact breaker: https://www.amazon.com/GFTCB250-Ground-Circuit-Breaker-2-Pole/dp/B01AGLRT9M/ with a gfci breaker ...

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