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

Filter by
Sorted by
Tagged with
0 votes
0 answers
32 views

GFCI Bathroom Outlet Open Hot

For some reason the outlet keeps tripping the breaker. There are 2 other outlets on this breaker as far as now, one of the front and back porch. This is the bathroom wiring. Any help? Should I pull ...
user avatar
0 votes
1 answer
31 views

How can I check if a tandem 20amp breaker is dead on one side

During a small garage project I was adding 2 more electrical outlets. A would be adding a tandem breaker. While doing so I was drilling thru the header to run new wire for new outlets and struck a ...
user avatar
0 votes
1 answer
64 views

120 volt wire loses voltage randomly

I recently ran a wire on a known 15 amp breaker to an outdoor GFCI outlet. Have 120 volt at the tie in, 120 volt at the outlet, all good. Then last night I lost all power at the outlet, now shows ...
user avatar
  • 1
0 votes
0 answers
58 views

GFci replacement wiring question

I am replacing my GFi and I see that only the white wire on the line from the junction box is wired into the line side. The black wire on the line side is there but not screwed on to a terminal. Is ...
user avatar
  • 1
0 votes
0 answers
19 views

outdoor sump electrical

I have a sump pit at the bottom of some outdoor basement steps that I need to get an outlet run to. I'm going to put the dedicated receptacle on the outside cement wall ... so drill through the ...
user avatar
  • 157
0 votes
2 answers
94 views

My plug in may be bad. I'd like to make it a regular plug instead of GFCI

Can I just cut the small group of twisted wires and use the three big wires to install a standard plug. Or do those wire go to something inside the unit that will make it not work?
user avatar
2 votes
2 answers
237 views

Replacing single duplex outlet on MWBC with two of them in kitchen?

My kitchen has a single duplex outlet (so two devices can be plugged in) on a multiwire branch circuit. I'd like to tear that out, replace it with a larger box and install two GFCI duplex outlets. ...
user avatar
  • 5,261
0 votes
1 answer
56 views

Replacing outlet with GFCI outlet, preexisting GFCI outlet quit working

I replaced an outlet with Line & Load wires in Rm-A with a GFCI outlet. The new outlet won't RESET and a preexisting GFCI outlet with Line wires only in Rm-B quit working. Each outlet is on a ...
user avatar
0 votes
1 answer
40 views

Gfci on 220v air conditioner unit outside?

I need to run a line to a new ac unit outside. I figured I should only need 2 hots and a ground to supply the 220, but do I need to install a gfci breaker? I am running conduit on side of house.
user avatar
2 votes
2 answers
324 views

GFCI Breaker for Kitchen [closed]

In the brand new Houses, I have noticed that the builders are using the gfci breaker instead of the outlet. I understand that it's more comprehensive coverage and satisfies the NEC code requirements. ...
user avatar
  • 61
0 votes
1 answer
44 views

Split 240V Generator powering 2x GFCI 120V receptacles

Standalone application I have a 4 wire 240V Generator going to a 2pole 120/240V rated breaker, One pole feeds Line side Hot of #1 GFCI Other pole feeds Line side Hot of #2 GFCI The wiring between ...
user avatar
2 votes
1 answer
50 views

Can I use AFCI/GFCI outdoors

I am getting ready to install a 20 amp breaker powering my outdoor lights, outlets, and some shed outlets. I am most likely going to just have the breaker be a GFCI breaker to have the entire outdoor ...
user avatar
  • 400
1 vote
3 answers
78 views

Which circuit breakers should I purchase: Standard, AFCI, GFCI, Dual Function (AFCI/GFCI)

I understand the need to have GFCI outlets in areas such as the kitchen and bathrooms, but when I was upgrading my electrical panel, I saw there are multiple options for circuit breakers. The ...
user avatar
  • 275
6 votes
2 answers
2k views

Why would bridging Neutral and Ground trip a GFCI breaker?

I have a main breaker + GFCI combo breaker in my panel. I decided to do some work on an outlet and accidentally bridged ground and neutral, with the room breaker off and the live wire dead. The GFCI ...
user avatar
0 votes
2 answers
57 views

GFCI Circuit Breaker won't reset after construction

I had my garage slab removed and during the jackhammering phase, a GFCI circuit breaker tripped and would not reset (It would immediately trip when I turned it back on). I replaced the breaker with a ...
user avatar
-1 votes
1 answer
42 views

Does any manufacturer make a fused 240 V 60 A steel AC disconnect with GFCI receptacle? [closed]

I need a fused pullout 240 V 60A steel AC disconnect rated at 10 horse power with a built in GFCI receptacle for use as a convenience outlet required by 2020 NEC, but cannot find one available. Has ...
user avatar
  • 81
0 votes
1 answer
34 views

Is there any issue with wiring a GFCI to a switch?

We have a wire the goes from Breaker > 2 switches. first switch goes to a recessed lighting above second switch goes below to an outlet under the sink in a cabinet that controls the garbage ...
user avatar
1 vote
2 answers
89 views

Debugging nuisance trips on 2-pole GFCI breaker

What are typical causes of nuisance trips with two pole GFCI breakers with neutral (Not 240V)? What techniques can I use to diagnose them? I put a two pole GFCI breaker on an MWBC circuit, as ...
user avatar
  • 17.8k
0 votes
0 answers
40 views

Is it the GFI or the refrigerator? Circuit trips intermittently after a couple hours [duplicate]

I just ripped out the wall behind my refrigerator and decided to among other things, to re-run the circuit to for the fridge. The refrigerator was on a standard outlet with all of the lighting and ...
user avatar
  • 1,144
5 votes
2 answers
552 views

Safe breakout for an RV outlet

I have an existing 120V 30A outlet used for an RV. I would like to make myself a breakout box to use this outlet as a bunch of regular outlets when I have the need for outdoor use. The outlet is wired ...
user avatar
  • 2,451
0 votes
2 answers
151 views

My GFCI red light is on and it won't reset

None of the circuits breakers are tripped but when I try to reset the button it won't reset. It just pops back out and the red light stays on. There is no power coming through the outlet or any ...
user avatar
2 votes
2 answers
201 views

Does NEC require a refrigerator outlet within six feet of a sink to be protected by GFCI?

I'm trying to find out if an outlet for a refrigerator within six feet of the sink requires GFCI outlet. I read somewhere that 210.8 (A) (7) Sinks - where receptacles are installed within (6 ft) of ...
user avatar
0 votes
0 answers
55 views

Circuit breaker compatibility

I have a T&B 200 amp panel TBB20 and I need to add a 50 amp 240 volt GFCI circuit for an EV charger. Code requires that the circuit be GFCI. What 50amp 240volt circuit breaker is classified or ...
user avatar
  • 1
0 votes
0 answers
84 views

GFCI trips every 10 min 7 sec

20 amp GFCI installed upstream from new 20 amp receptacle where only load is refrig. I plugged refrig into a new 15 amp GFCI across the hall and it doesn’t trip. Both GFCIs are on same breaker but are ...
user avatar
0 votes
1 answer
45 views

GFCI Test Trips Arc Fault Breaker

Never seen this one before. GFCI receptacle test and reset buttons work normally. However, when a tester is used, the breaker trips instead of the receptacle. The same thing happens on other ...
user avatar
0 votes
2 answers
116 views

Why are my Outdoor Outlets not GFCI? [closed]

Few years back, I asked this question: Why don't I have ground wiring on any of my outlets? Apparently the reason I didn't see any grounding wires, was because the entire house was installed with ...
user avatar
5 votes
1 answer
511 views

Dual Function AFCI/GFCI breakers trip under any load

This is a new subpanel in a workshop and the electrician told me because it's new all circuits have to be AFCI and because it's an outbuilding it should be GFCI too. So, I purchased these breakers in ...
user avatar
0 votes
2 answers
213 views

GFCI outlet reads hot and neutral reversed regardless of correct wiring and successful test and reset?

UPDATE - tested all the wires with a multimeter, WHITE - Neutral to GROUND - no reading, BLACK - Hot- to GROUND no reading, BLACK - Hot to WHITE Neutral no reading. When using a no contact voltage ...
user avatar
1 vote
1 answer
92 views

Dangers of bootleg ground BEFORE GFCI outlets

I see other questions on this topic and totally understand the dangers of bootleg grounds and bootleg grounds on the post-GFCI neutral. But my question is about the safety of a bootleg ground before ...
user avatar
-1 votes
1 answer
48 views

How do I troubleshoot lost voltage in a previously working connection? [duplicate]

I have a garbage disposal that was direct connected to a 15A breaker and working fine. I needed to share that line with a new dishwasher install so I tried to install an outlet. I disconnected the ...
user avatar
5 votes
1 answer
349 views

GFCI breaker to use in an old Challenger panel with Type C breakers

I am trying to determine what GFCI breaker to use for a 20A MWBC in an old Challenger panel that requires Eaton Cutler-Hammer BR breaker replacements. I have found at least three models that appear to ...
user avatar
  • 151
0 votes
3 answers
104 views

Should GFCI outlets be used with a refrigerator?

Recently I have been upgrading the old 15A outlets in my house to Leviton 20A 125V GFCI outlets (The wire size is 12AWG). It is a much older style home. So, for some strange reason the ground wire is ...
user avatar
8 votes
3 answers
750 views

Alternative GFCI Wiring in Strict 240V Scenario?

I have a strict 240V wiring situation (i.e., two hots + ground, no neutral) with a hot tub as the only load on the circuit. Now, I think it’s very prudent (and generally mandated) to have a local ...
user avatar
  • 81
0 votes
1 answer
85 views

Voltage on disconnected neutral wire of GFCI outlet

I’m changing the switches around the house and some of the boxes are mixed light switch / GFCI outlet. After turning off the power, opening one of the boxes and pulling out the switches and outlet, I ...
user avatar
3 votes
1 answer
473 views

Why would I have a GFCI protecting a loop of receptacles

I’ve been replacing some damaged receptacles in my dining room and after inspecting all of them on the circuit it looks like they are all interconnected via parallel daisy chaining, but they form a ...
user avatar
1 vote
1 answer
90 views

Is NEC 2020 requirement for 240V GFCI grandfathered for add-on outlets?

There's been some discussion on this board about the NEC 2020 requirement for GFCI on 240V ("250V") outlets. I assume houses built prior to that new rule won't need to be retrofitted. Is ...
user avatar
  • 309
-1 votes
1 answer
102 views

Bosch Induction Stove/Oven slide in tripping 50amp GFCI

Bosch Induction Stove/Oven slide in tripping 50amp GFCI The induction stove top slide in range is tripping a 50amp GFCI about once a week. trips while "off" no load except standby ...
user avatar
0 votes
2 answers
79 views

50 amp GFCI to Plug-On-Neutral subpanel?

I'm adding a subpanel that will include service for a hot tub. The panel I have selected happens to be a Square D Homeline 125 amp 8-space 16-circuit PON. I'll be using a Square D Homeline 50 amp GFCI ...
user avatar
  • 161
0 votes
0 answers
49 views

Lights flickering

I have a off grid solar system with 110-120v pure sine inverter. All my outlets work with power but GFCI blinks red every min or so and my all my LED lights flicker when on. I feel like I'm not ...
user avatar
0 votes
1 answer
102 views

3 hot wires one neutral gfci

I want to install a GFCI outlet into my laundry room because this house is old and has no ground. The outlet in the laundry has 3 hot conductors and one neutral with no ground. Can I wire the 3 hot ...
user avatar
3 votes
1 answer
76 views

GFCI outlet + wall switch wiring

I'm trying to install a GFCI outlet into a bathroom that currently has a regular (non-gfci) power outlet, but I'm struggling. My bathroom electrical has a single wall outlet (standard 2 plug ...
user avatar
  • 153
0 votes
1 answer
86 views

Wall outlet cable seems to have suddenly lost power

I'm so confused. I have an outlet in my basement, whose power cable I can trace directly to my fuse box. There are no other outlets on this cable. It was working fine but I needed GFCI outlets, so I ...
user avatar
0 votes
1 answer
46 views

GFCI Breaker de-energizing itself but not tripping, at random times re-energized

We have a two-pole 15amp GFCI breaker in the breaker panel. It feeds the AC (summer), the furnace (winter), two room outlets and the lightning in three rooms. At random times we loose power in some of ...
user avatar
1 vote
0 answers
69 views

Light Fixture, Fan and GFCI share supply, all function except Light Fixture -- unless power is consumed via GFCI

I have concerning behavior from a light switch and GFCI outlet. I apologize for the length, I'm trying to be thorough as I have a pretty good understand of how wiring should work, but it's...not...So ...
user avatar
  • 11
1 vote
1 answer
57 views

How do I check ground on incoming power

I have a unique problem, three dual function breakers trip at the same time with a ground fault indication. This mainly happens while asleep or if it happens during the day, I'm of course at work. ...
user avatar
  • 11
1 vote
1 answer
194 views

Pressure washer tripping breaker

I have a 120V/15A pressure washer that's tripping the breaker and its own built-in-to-the-cord GFCI under certain conditions. All of the available outdoor receptacles are on a single 15A circuit, ...
user avatar
2 votes
2 answers
258 views

How to Wire a Light, GFCI Outlet, Switch and 2 Outlets on a single circuit

I'm wiring a miter box station in my woodshop. Wiring is 12/2 w/ground on its own 20AMP Circuit. Power source is coming from breaker box to a single ceiling light above the miter box. How would I ...
user avatar
  • 21
1 vote
1 answer
232 views

electrical box mounting hole doesn't align with cover plate

I am trying to install a GFCI receptacle in the garage. The mounting screws/holes on the electrical box are closer than the cover plate. How to align the cover with the box properly? The box is 4' ...
user avatar
  • 11
1 vote
0 answers
71 views

Replacing 20A MWBC breakers with 15A

I recently moved into a house and had a home inspection, where the inspector noted that the motor powering a jet hot tub in the basement must be on a GFCI (it was not). When trying to figure out which ...
user avatar
  • 131
1 vote
0 answers
72 views

Why do my Christmas lights trip a GFCI only when connected through a timer switch?

I have Christmas lights (a mix of LED and small incandescent) on the outside of my house, along the eaves. I had them plugged into one of our exterior GFCI outlets via an outdoor-rated mechanical ...
user avatar
  • 11

1
2 3 4 5
22