Ground fault circuit interrupter, also referred to GFCI, GFI, or a residual-current device. This devices detects a leak in current, or an imbalance between the current on the hot and neutral wires. This is used to prevent electrical shock.

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GFCI receptacle

I just installed a GFCI outlet in my bathroom thats directly connected to the light fixture switch. when i turn power back on the light fixture isn't getting power and the outlet wont test. But The ...
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GFCI receptacle and 3-way switches

I have replaced a bathroom outlet with a GFCI. The first outlet from the circuit breaker is the bathroom outlet. The circuit then goes to a switched light outdoors, a switched light to a hallway, ...
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40 views

How to determine if a circuit breaker has GFCI

I recently discovered none of the grounds in the three-prong outlets in my house are connected to anything. AFAICT the only way this is allowed without GFCI outlets is to have GFCI circuit breakers ...
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40 views

Wiring switched-controlled GFCI outlets outdoors

I have a dedicated outdoor 20 amp circuit (GFCI breaker) in my yard that was for a pool we got rid of. 2-gang box w/weatherproof cover. I want to install a GFCI outlet that is controlled by a ...
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27 views

Michigan Kitchen Sink Electrical Requirements

Wondering what the NEC code requirements are for Residential Kitchen outlets. I was told that the two wall outlets on either side of the kitchen sink have to be on separate circuits. The kitchen in my ...
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51 views

GFI false trips, but everything checks out. (????)

Any load trips a new GFCI breaker: Conditions: Brand new construction. New 75' 4wire feed to new subpanel from a long working and reliable main subpanel. One GFCI breaker feeding 4 outlets from new ...
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27 views

My washer keeps tripping my gfci

I recently rewired an old house. The laundry room is on its own circuit and the washer plugs directly into the gfci outlet. Everything seemed to be working great. The lights works and the outlets ...
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61 views

How to determine why an AFIC or GFIC breaker tripped?

GFCI and AFCI breakers trip under specific conditions, unbalanced current, and a detected arc, respectively. However, they also trip under ordinary overcurrent conditions in the same way that ordinary ...
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42 views

Existing GFCI outlet wiring to a new switch

I want to relocate a GFCI outlet in my kitchen that is currently below my top cabinets to above the cabinets so I can plug in an LED rope light and illuminate above the cabinets. With that being said ...
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54 views

Safe location rules for bathroom sink recepticle and light switch

Bathroom sink with mirror & vanity light. Presently, the vanity light switch and single receptacle are separate from each other and in awkward locations. I intend to put them together in a single ...
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67 views

GFCI outlets fail repeatedly in new home

I purchased new home which has never been lived in and I have had to replace three different ground fault outlets. They just quit working. Now I have one in bathroom, which had been previously ...
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Outlet problems after GFCI replacement

Replaced a GFCI outlet to the right of my sink. Was careful to mark all wires and photo with my iPhone. Hooked it all back up and it worked and tested fine. The outlet to the right of the GFCI will ...
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35 views

Is my RCD Breaker faulty?

Every 2 weeks my main RCD trips and it wont reset. After an hour it will allow me to reset it and its fine for 2 weeks. The main RCD has a short spur to another mini RCD board that was installed 10 ...
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GFCI outlet doesn't work after reconnecting

I reconnected my GFCI outlet but now it doesn't output electricity even though the current coming in tests positive (with a pen like current testing device). I also pressed the reset button, to no ...
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50 views

GFCI pops when the heater comes on

Just wired a new heater like this and the GFCI pops when the heater comes on. Can someone explain to me why this is happening?
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200 views

Wiring diagram/configuration 8 outlets with 1 GFCI protector

Installing new circuit 20 amp breaker with 20 amp outlets with 1 GFCI protector. Should GFCI be the fist outlet from breaker panel? How to wire this project.
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34 views

GFCI issue with grounded protected receptacle

Trying to wire GFCI and a protected receptacle into the same box for 4 outlet set up. When I wire protected receptacle to LOAD side and connect it to the ground, the GFCI test fails. If I ...
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26 views

1 outlet / 2 switches: want to replace old outlet with GFCI

(Similar to How do I install a GFCI receptacle with two hot wires and common neutral? but hopefully different enough to warrant my question.) In our bathroom we have 1 outlet and two switches in the ...
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53 views

Why does my GFCI trip randomly?

I have a GFCI in the kitchen has started tripping all of a sudden. It may trip several times a day. I have the same things plugged in that I have had for months. Nothing has changed with the usage so ...
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What is the *interrupting rating* of a GFCI receptacle?

Say, we have a UL943 compliant 15A GFCI receptacle on a garden-variety 15A grounded branch circuit. Some nitwit comes along and wirenuts the receptacle's load-side hot to the branch circuit ground, ...
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675 views

Is a GFCI receptacle device a circuit breaker? [duplicate]

I have been told that a GFCI receptacle is a "circuit breaker" in the sense that it will trip under overload. Everything I know, have been told, and have read from experts to manufacturers says this ...
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40 views

Do newer GFCI receptacles still trip due to inductive load from motors?

I am rewiring a kitchen and faced with a dilemma of having the garbage disposal on a GFCI circuit. Will it trip when turned off like the older GFCI's?
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GFCI Outlet wired to non GFCI. Can I switch?

I have a GFCI outlet that is wired to another non GfCI outlet. So when either has a problem, they will trip off. My question. Can I reverse these outlets? Let's say the GFCI outlet is on my left ...
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42 views

Is it acceptable to decrease the HP rating of a blank-face GFCI?

I have a 20 amp Blank Face GFCI rated at 1.5HP that is protecting two outdoor 15 amp receptacles. Could I use a 1hp blank face GFCI instead? Also, why wouldn't the electrician used a regular gfci ...
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61 views

GFCI breaker trips when switched on

I'm buying a house. It's an old house. I had to put in a GFCI breaker for the bathroom. It trips as soon as I switch it on. If I disconnect the neutral it doesn't trip. It is three wire coming ...
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137 views

GFCI installation in bathroom switch box doesn't work as expected

My bathroom wall switch controls the old light above the old medicine cabinet but it only has 1 cable with a black and a white wire. I took off the old switch and put the black wire on the hot side of ...
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69 views

How can I detect the total ground fault leakage current in my home?

In Europe, houses often have all breakers chained beneath one or more RCDs (their word for GFCI). I would not want the nuisance of multiple circuits shutting off at once, so I'm glad in the US we ...
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217 views

Does a GFCI receptacle provide overcurrent protection?

Does a GFCI receptacle provide over-current protection? (note that I'm not referring to GFCI circuit breakers as may be found in a service panel, nor to specialty devices such as an inline plug-in ...
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32 views

20/30 GFCI spa disconnect

Instead of spending 400 on a spa disconnect with a 2 pole 20 amp gfci and a 2 pole 30 amp gfci breaker. Can I take the 50-60 amp gfci breaker from the spa disco, put that in the main panel and use ...
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70 views

New GFCI in garage is tripping when driveway lights are turned on

So I had GFCI outlets put into the garage to use for Christmas lights outside. After installing, the christmas lights all work great but when I flip the switch in the foyer for the lights at the end ...
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70 views

Open Hot on GFCI outlet

I have an outdoor GFCI outlet that was running our Christmas lights. We was just struck with a storm that we received 3.6 in of rain in a 6 hour period. Now the reset will not work, green light is not ...
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41 views

Is this GFCI shot?

Last year I installed an old GFCI outlet in a switch box. As verified with a multimeter, the white wire is neutral, and the black wire is hot. Note that this picture was taken after I took off the ...
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48 views

Why do I get an open ground warning after a GFCI Test?

I just finished a home wiring project which has a set of outlets protected by a GFCI outlet. I was testing them with an outlet tester and noticed something odd: Immediately after a GFCI test, my ...
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85 views

Hot wire splits into two neutrals that take different routes back to panel; is this legit?

I discovered this in the course of replacing an old ungrounded receptacle with a GFCI. I connected a run of lights controlled by three-way switches (two switches) to the load side. Afterwards, as soon ...
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37 views

Bathroom Electrical question GFI

Can I run a 12 2 wire off of a 20 amp breaker to a splitter box, then from the splitter box run one 12 2 wire to a light switch, then to 5 can lights? Then one more wire from the splitter box to ...
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76 views

Why does my greatroom have a GFI breaker on the circuit?

We moved into a condo in 2012 and have had issues on one of the circuits. The circuit serves the outlets in our great room and sun room. Initially, we would trip the breaker when using the vacuum ...
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51 views

What breaker size for box containing two GFCI circuits?

What should the main panel breaker size be to control a 60amp GFCI for a hot tub and a 15amp GFCI outlet. The gfci's are mounted in a box that will be wired to the main panel.
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GFCI equipped machines into GFCI receptacle

I have a personal bowling ball cleaning machine that states "plug to a non-GFCI outlet" which means it has built-in GFCI however, in the area I am living, all receptacles must be GFCI protected and ...
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142 views

Hot Tub Disconnect Location

I have a concrete slab which can fit a hot tub approximately at a distance of 8 feet from the main breaker panel (located outside on my porch). I assume that I will still need a separate disconnect ...
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226 views

Can I protect a dimmer switch circuit with a GFCI outlet?

I'm installing some line-level-dimmable LED undercabinet lighting in my kitchen. I'd like to protect it with one of the existing GFCI outlets in the area. My sequence would be GFCI > dimmer switch > ...
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42 views

GFCI won't catch

I have a GFCI in my garage that was working, but now won't catch at all. I pulled the downstream circuit by disconnecting the load wires and it still won't reset. I have 120 to the GFCI itself. I ...
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52 views

Switches and outlets not working after short to ground

I was replacing a outdoor GFI when putting back in box the ground touched the lower unused terminal and fried the ground, shorted GFI out. Now I have some switches in the house that do not work mainly ...
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30 views

There is no GFCI outlet in my basement, and circuit breaker reset won't work

Half of our basement outlets went out, and flipping the switch at the circuit breaker (multiple times) did not work. The affected rooms are fully underground and the likelihood of moisture is high. ...
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87 views

Should a switch near a sink be on the load side of a GFCI outlet?

If a switched GFCI protected outlet is required, and the switch will be near a sink (above a counter-top), should the switching be done the load side of the GFCI outlet? (e.g. for a garbage disposal) ...
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43 views

Is it advisable to run a snow blower on a non-GFCI receptacle?

Is it advisable to run a snow blower on a non-GFCI receptacle? After all, while using the machine I will always be wearing mittens and boots. Would these not provide sufficient safety?
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305 views

Why is the coiled white wire on a GFCI circuit breaker smaller than the branch circuit neutral?

I just recently installed a 50A two pole GFCI circuit breaker that was part of a 240VAC spa panel. For 50A I was using 6 AWG wires. When connecting up this type breaker you connect the two poles of ...
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2answers
101 views

Switched outlet keeps tripping breaker

Re-wiring the garage and running into an issue with a switched outlet. The outlet is in the middle of the run (after a GFCI and before a single ceiling outlet for the door opener). I've split the ...
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318 views

Do I need two separate duplex receptacles for dishwasher (GFCI) and garbage disposal?

I have seen answers to similar questions but not sure they address my situation. I recently "installed" 2 separate 20A circuit runs for a dishwasher and a garbage disposal respectively (overkill ...
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57 views

Finding a phantom GCFI

We have a bathroom whose GFCI tripped one day. Only after it was tripped did we realize we have no idea where the reset button is. It's not on the breaker, it's not on the wall outlet, and there's ...
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222 views

GFCI install in old house

My house was built in the 1940s and only part of the electrical has been upgraded. I am trying to replace an old outlet on my screened in porch with a weather resistant GFCI outlet but cannot get it ...