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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6answers
91 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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188 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
86 views

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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1answer
696 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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95 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
481 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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109 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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609 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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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
275 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
555 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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1answer
70 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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1answer
86 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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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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143 views

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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116 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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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
118 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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143 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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141 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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66 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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379 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
70 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
68 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
767 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
1k 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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1answer
90 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
57 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
69 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
59 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
50 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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70 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 -> ...
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154 views

Why is part of my GFCI circuit dead after a short-circuit?

I was charging my electric golf cart off the GFCI on the side of the house. It tripped and would not reset. I found out I had a bad cord that was shorting it self out. This is were the puzzle begins. ...
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Fridge started intermittently tripping GFCI after fan motor replacement

Our fridge showed symptoms of evaporator fan motor dying. The bottom of the fridge was cold but the air was not circulating in the freezer and fridge. Then the water dispenser stopped working. I was ...
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156 views

Why does my GFCI outlet trip when a vacuum is plugged in downstream?

Whenever I plug my vacuum into the downstream outlet the GFCI trips. I suspect the GFCI is at least 15 years old and the vacuum
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551 views

220V GFCI circuit breaker neutral

I have a 220V 15 amp body dryer with 2 prongs on the plug (European). Manufacturer instructions indicate to connect 2 hots and 1 ground to the receptacle. Since this is in a bathroom, I have installed ...
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3answers
743 views

Gas Oven Keeps Tripping GFCI (Moisture?)

My gas oven frequently trips my GFCI outlet. The GFCI outlet is upstream of the oven. Every outlet on that wall is on a shared circuit (I understand this is suboptimal, but I imagine there isn't a ...
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1answer
557 views

GFCI breaker is tripping when it rains on completely internal circuit

I have a three story house. The first floor is an apartment that is completely covered by the second floor. It has it's own panel which is inside the apartment and mostly uses GFCI breakers. There ...
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308 views

Two GFCI outlets were just replaced and have power but don't work

Two GFCI outlets were just replaced in kitchen. Green light is on but no power to the GFCI outlet or the downline outlets. There is power to the wires and the TEST / RESET buttons don't work. Any ...
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56 views

Adding 2 X GFCIs to protect Switched and Unswitched Hot sharing same Neutral and Ground

I currently have a switched and un-switched hot running underground in conduit sharing the same neutral and ground. Its important to note that they are both on the same circuit. Basically I have 4 ...
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Regarding GFCI outlets

When a GFCI outlet trips, does it open both the hot and the neutral, or only the hot? An outlet beyond the GFCI outlet has an open neutral and I wonder if that is normal when a GFCI trips?
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256 views

Old house, no ground wire, hoping for protection of new computer?

So, I live in an older house. My current computer has happily plugged into a surge protector, which in turn plugged into a 3 prong adapter into the two pronged outlet for 8+ years. The surge ...
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75 views

Gfci not working

So my GFCI recently stopped working. I bought an outlet tester and fixed some outlets that were incorrectly wired. My old GFCI had power but wouldn't reset and test button couldn't be pressed. When I ...
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72 views

Do I need to install GFCI outlets at each location for switched garage lights?

I am wiring up multiple switched outlets in garage ceiling for the garage lights and i am assuming they all need to be GFCI protected. So my question is must I install GFCI outlets after the switch ...