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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1answer
37 views

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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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
50 views

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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4answers
2k views

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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47 views

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
104 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
59 views

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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22 views

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
262 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
50 views

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
76 views

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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178 views

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
58 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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1answer
657 views

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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78 views

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
329 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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79 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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2answers
51 views

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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335 views

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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434 views

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.
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GFCI breaker trips

My 20 amp breaker in my basement to my unattached garage works fine, but when I put in a gfci breaker, it pops as soon as I flip it on, two different breakers. The only thing that is plugged into my ...
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Can both line and load go to same screw on a GFCI outlet?

I was going to replace my GFCI since it is not working. The GFCI has 2 black wires going into the same screw -- one with the push in connection and the another wired to the screw. Same for the white. ...
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1answer
92 views

Can I wire both a 50 amp hot tub and 50 amp RV plug in the same box?

I have two projects in the works, installing a hot tub and building an RV pad. Both the RV and hot tub run on 50 amps and 220 volts. RV's plug-in but hot tubs are wired directly. Is there a single ...
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1answer
305 views

GFCI - should my neutral and ground have continuity?

I have a thing I'm doing.. I won't go into detail, but I have a thing that is a yellow solid core copper cable with a hot, neutral and bare ground. one end is connected to a plug I wired (I'm using ...
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69 views

Why doesn't my new GFCI outlet work?

I installed a new gfci identically as the one I removed. The green light is on, but it isn't working. I hit the reset button, still nothing. I hit the test button, but it doesn't budge. Please ...
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70 views

Multiple GFCI receptacles, Fridge is tripping one it ins't plugged into

I recently put a fridge in my garage, the outlet I am using I discovered is on the same circuit as the bathroom indoors across a hall. I believe the previous owner installed it as he is a 'contractor' ...
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3k views

Why did my leaking pool light trip the circuit breaker, but not the GFCI?

This is, I am sure, an extremely naive question. I hope that's okay (and I hope it can be answered at a level I'll understand). The background: My swimming pool has underwater light fixtures, on ...
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Do GFCI breakers provide necessary protecting for multiple outlet surge protector?

I just got results of home inspection on house I'm buying and discovered they had illegally replaced two prong outlets with three prong ones without correcting wiring. I understand my options may to ...
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69 views

GFCI Circuit Breakers Wired Incorrectly

Just moved into 5yr old home, was looking to expand a garage outlet to afford more outlets. The outlet is below the panel is a GGCI outlet, however, the circuit breaker is not, so, I am going to ...
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60 views

Troubleshooting GFCI Outlet Tripping

Recently, the GFCI outlet that "powers" our back patio has started tripping. Initially, I thought the outlet was old since this only started recently (and we use our patio regularly), so I replaced it ...
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3answers
106 views

My house breaker box have only breakers which seat only 1 wire. No seat for a load neutral. Can I still install a GFCI Breaker?

My house breaker box have only breakers which seat only 1 wire. No seat for a load neutral. Literally one screw on the breaker. There are neutrals on the bar and everything works no problem. I want ...
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4answers
6k views

Loss of power when I remove item from the outlet

I have this unusual electrical issue in our master bedroom. I was wondering if anyone else has experienced this. We have this $3 LED night light in our bedroom and when we take it out, the power/...
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116 views

Why don't we just use combination AFCI/GFCI breakers for every circuit in a home?

With pretty much every circuit in a home needing one of the two types of protection (AFCI or GFCI), why don't all new homes have combination breakers installed just to be safe? Would it hurt anything ...
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86 views

Is adding a GFCI outlet ahead of inverter as good as having one on the inverter?

I am shopping for a 48v DC to AC inverter. Ideally, I'd like the plugs on the inverter to be GFCI protected, but not all inverters have this feature. This inverter is on a boat, mounted in a ...
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54 views

pigtailed aluminum replacing regular receptacle to GFI

Need to replace a receptacle closest to panel that has a light and another receptacle inline. All are aluminum. They have alumiconns on them (purple) pigtailed. Need to replace sink receptacle with ...
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300 views

Entire circuit dead after GFCI outlet

We had a storm, and a GFCI outlet breaker flipped (orange light on). I reset it by pushing the button, and the outlet started working again. But everything else on the circuit remains dead. Can a ...
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1answer
61 views

Will GFCI breakers protect my outlets?

I'm about to move into an older home at the end of the month. Upon inspection, the inspector found that the outlets aren't grounded. I've been doing a lot of reading on how to fix the situation. I ...
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1answer
50 views

Two electrical questions: Tripping GFCI, and unlocatable GFCI

Question 1: We had a pool installed. It has been out of service. I am trying to get it back up and running. It was installed after the house was built. There are separate breakers added by the ...
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1answer
80 views

GFCI Won't rest. shows no LED Light but has power

I have a GFCI outlet in the kitchen that shows no LED color status, cannot reset but still has power and downstream. Also, I notice that when I plug my coffee maker on the upstream outlet between ...
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2answers
896 views

GFCI Outlet in Bathroom, Lights not working

I completely lost power only in bathroom, so I reset the GFCI and then I turned on the light switch. As soon as I flipped the light switch up the lights flashed on then off and the GFCI outlet made a ...
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80 views

Two hot wires feeding a gfci installed ten years ago just started popping? Replaced gfi figured out a bigger issue

I have two hot wires both supplying power to a single Gfci located in a bathroom. It is only two white two black and two neutral. Only after investigating through a shock did I learn that it was ...
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1answer
35 views

Possible rewiring for range-hood/under-cabinet lighting

We're in the process of renovating our kitchen, and my lady is really interested in under-cabinet lighting. The best place to keep the wires to the lighting hidden (as she does not want battery ...
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3answers
64 views

Electrical help on amps and wiring

I recently moved my old refrigerator into my garage next to my freezer. As soon as I plug in my refrigerator the GFCI pops. I have a 15 amp GFCI and a 15 amp breaker. The refrigerator and freezer are ...
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2answers
56 views

Regular Outlet to GFCI Outlet with four wire connections and no ground

I am changing out another regular outlet to a GFCI outlet and the existing outlet had the four wire connection using all the terminals. It is an older condo and there are no grounds. So I thought I ...
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1answer
38 views

Changing a Regular Outlet with Two Neutrals and One Hot to a GFCI Outlet (no ground existing)

So I bought a GFCI outlet to changeout a regular outlet and when I pulled the regular, it had white wires/neutrals on both left side screw connections and one black on the top right connection. I do ...
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60 views

How to wire gfci-switch-gfci

I want to wire a new exterior front of house gfci WR outlet, from an existing garage gfci. I would like this new exterior outlet to be on a switch, so I'm thinking the wiring will be Source -> ...