Questions tagged [circuit-breaker]

For questions generally relating to safety devices used to automatically stop the flow of electric current in the event of a fault condition. Use this tag for questions about fuses, too.

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1answer
57 views

Switch(es?) blowing AFCI breaker

So I need some help (again) with an electrical issue. I wired the basement and due to some new building code all the breakers are AFCI (which I am suspecting is a part of the problem). In the ...
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6answers
70 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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2answers
171 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
60 views

Outlet box has voltage when a device is plugged in on another circuit

Our house was built in 1964 and I wanted to replace some of the electrical outlets. However, there's something bothering me. When I turn off the circuit for an outlet, my low range non-contact ...
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1answer
46 views

Overcurrent Protection

I am trying to find a device that I can plug into the wall, then plug another device into that will offer overcurrent protection. Basically, a circuit breaker that will trip before the actual circuit ...
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2answers
54 views

Is there such a thing as an arc-fault breaker in 1/2” size for GE?

The panel is loaded but not to capacity. To bring the current sub-panel up to the imminent adoption of the 2017 code, half-sized AFCI or combination breakers would be great. Is there such a thing as ...
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4answers
138 views

Automatically trip breaker in power outage

Is there a way to trip a breaker, or otherwise kill the connection to an appliance during a power outage that doesn't automatically turn back on when power is restored? Background: home in the north ...
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1answer
41 views

Double-pole breaker connected to two receptacles/outlets on same column/post

We have a double-pole breaker that seemingly is connected to two outlets in the same column/post in a room. 3-Light tester reads all three lights, multimeter reads around 240 volts in each outlet. ...
2
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1answer
101 views

Reading electrical clamp tester higher voltage/amp 400A

A sub panel CH 60AMP 3 Pole breaker keeps tripping. I'd like to test the AMPs on the three wires. My clamp tool measures 7.9A while on the 400A AC setting. That seems awfully low to trip a 60 AMP ...
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2answers
48 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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0answers
36 views

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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4answers
111 views

Breaker keeps tripping even when nothing plugged in

My bedroom breaker keeps tripping even when nothing is plugged in to any of the outlet linked to this breaker. Sometimes it will keep tripping when I try to push it back up and after 10-20 min' turn ...
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0answers
63 views

Dishwasher chassis outputting an AC voltage

I've recently noticed that touching the metal interior of my dishwasher gives me a slight tingling. I put that (stupidly) to static electricity. For "fun" I then decided to touch a finger on the ...
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3answers
88 views

Where to find main shut off switch for breaker

Where can I find the main shut off breaker It doesn’t let upload my picture but my breaker is small but doesn’t have main shut off and meter doesn’t have a switch either
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1answer
74 views

Can I convert a fused dryer outlet to two 20 amp circuits?

We have a dryer plug we no longer use. We would like to make it a quad outlet box instead. The outlet is wired to a fuse panel with 2 30 amp cartridge fuses. Is it within code to switch those 2 fuses ...
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3answers
65 views

Should the main circuit breaker be AFCI, CAFCI or just standard?

Let's say all the other breakers in the panel are standard (i.e. not ACFI). Would it help to have the main breaker AFCI or CAFCI? Conversely, let's say the other breakers are all CAFCI. Can I use a ...
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0answers
27 views

Only one side of Tandem Circuit lost power at outlets

Replaced all outlets in a room that was part of a 15amp tandem circuit breaker. One circuit had a room that has dual outlets with a switch controlling the top outlet on each. Turned both breakers off ...
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2answers
51 views

Why do type 2 SPD’s* require overcurrent protection (*load side, mains, Surge Protection Devices)

Bought a house built in the 1970’s in a 1970’s neighborhood. It has a 200AMP main panel. A serviceman replacing 1 of the 2 mainboards in the refrigerator suggested that I install an SPD inline in each ...
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1answer
45 views

Can fuses be intermittent?

While I was at work today I had a power outage in one of my rooms. I know because I had multiple computers in there that were off for several minutes(fully booted back up in 14 minutes), but the ...
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2answers
77 views

Turning off oven breaker cuts power to AC, and vice versa. Why?

Turning off oven breaker cuts power to AC, and vice versa. Why?
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2answers
45 views

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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1answer
52 views

Separate box for electric water heater?

Do I need a separate electrical box for an electric water heater. I was told I needed a one so it's up to code as per the electrician? Changing from gas to electric I thought I could connect it to the ...
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5answers
5k views

I do not have power to all my breakers

I exchanged my double pole 40 ampere breaker that supplied my sub panel for my garage with a single pole 40 ampere and now out of my six breakers in the sub panel only 1,3, and 5 have power. How do I ...
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1answer
32 views

Two Poles Three Black Wires and One White - Convert to 120 V Outlets

I have a two pole breaker with three black wires and one white wire. The breaker is 50 amps. The three black wires are labeled "Load Power", and the white wire is labeled "Neutral". Where an outlet ...
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1answer
97 views

circuit box problem

Sparks flew out of my breaker box, probably due to faulty wiring. In an effort to troubleshoot, I removed all the breaker and labeled them. Got a wire tracer and tried to trace the wires to see ...
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3answers
51 views

Solar Power System Circuit Breaker and fuse Amps

So the question is kinda part 2 of my question about the DC Output Today I went to Hellweg (It's like an Electronics shop in Germany/Europe). To buy a Circuit Breaker or Fuse (idk what I am looking ...
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1answer
82 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
72 views

Power tripping out

I live in Spain, my home's electrics are just terrible. I'm waiting for an electrician to look at it and quote me for sorting it all out. Things are frequently tripping out, I've been trying to spot ...
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2answers
98 views

What alternatives to Stab-Lok breakers are there?

After reading this article: https://inspectapedia.com/fpe/Federal_Pioneer_Panel_Safety.php and from it a link to this one: https://inspectapedia.com/electric/Circuit-Breaker-Defects-Aronstein-IEEE-...
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1answer
90 views

Why does a breaker buzz when you turn it on?

I've had an issue recently where turning on the light in one room occasionally turns off the power in that breaker. The breaker doesn't actually appear to be tripped, but resetting the breaker will ...
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2answers
132 views

Can I run a #12 outlet branch and a #14 light branch off a 30A breaker?

Was wondering if i can feed an entire room with one 30 amp breaker, 10/2 to an attic junction box, then break out 12/2 for outlet daisy chain (four 15 amp-type outlets) and 14/2 for a light circuit.
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1answer
79 views

Apartment's Hallway Lights Controlled By My Unit's Circuit Breaker

I manually flipped a breaker before doing work in my bathroom and noticed that the apartment hallway light is controlled by my unit's circuit breaker. Does this mean that I get billed for the hallway ...
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1answer
109 views

Is there a reason the hot wire is connected to the neutral bar and the white to the breaker?

The black wire is connected to the neutral bar and the white wire is connected to the breaker. Should it be this way for any reason?
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0answers
37 views

Dryer (30amp) on Single Pole Breaker

My 200amp panel is pretty full so I started mapping all the circuits since I suspected that there are abandoned circuits or circuits with very small loads on them. I am used to finding dryers on 30amp ...
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2answers
93 views

Combining wires from two breakers to one appliance?

I have a wall oven and a microwave oven, connected to 30A and 20A breakers respectively, and both are 240V. Now I'm thinking of replacing it with another double-oven model that runs a single wire ...
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2answers
290 views

breaker trips every 2 to 8 days (4 companies failed to fix this)

4 different electrical companies have inspected my apartment none have solved this issue edit (2019 july 31): the 5th electrician finally fixed it this was largely a result of the info y'all gave me ...
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1answer
108 views

Terminating unused wiring in electrical box

I am upgrading my electrical box with more circuits, and circuit breakers. I would like terminate all the unused circuits wires in the electrical box panel with dummy circuit breakers rather than ...
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3answers
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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3answers
43 views

3 wire 240 double pole breaker to. 110v single pole breaker

I have 3 wire ( black, white,green) 240 on a double pole breaker. White and black wire connected to breaker green to neutral bar. Want to convert to 120v single pole breaker. Which wire do I connect ...
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1answer
67 views

How do I replace and insert what kind of missing pin - bolt in a home fused disconnect box?

Power from Hydro (the electric company) runs into this disconnect box then continues to the meter. I'm looking for help as to what I should use to replace the missing bolt or pin that connects the on/...
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2answers
22 views

What is the correct connections for a Murray MP215AFC breaker for a Split A/C unit

I seem to be running into a never to be found answer on the wiring for this 240 2 pole combination AFC breaker. I have a Split unit wired L1 & L2 with a ground back to the sub panel not a ...
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3answers
64 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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2answers
69 views

Breaker sometimes trips when Microwave turned on

Is there a power strip circuit breaker I can use to stop having to go to the basement when the microwave sometimes trips the circuit breaker?
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0answers
71 views

Weird Electrical Issue In Garage

Hi I have a question and I was hoping to get some insite. First I am getting a certified electrician to come check it out on Thursday but figured let me do my homework. So I noticed the other day my ...
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1answer
87 views

Circuit Not on Any Breaker, but Off with Main Breaker

Looking through my main panel today I discovered that at least 1 circuit does not appear to be attacked to any breaker. If I turn off the main breaker of the house, the circuit does turn off. How can ...
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3answers
105 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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1answer
53 views

Home electric circuit goes dead without tripping breaker

I have a 15 amp circuit in my home with 8 outlets. Every couple of months it mysteriously stops working, however, the breaker doesn’t trip. After a couple days I re-apply the breaker and all is good....
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3answers
181 views

Can I plug a washing machine requiring a 15A breaker into a 20A outlet?

I am removing an old Asko washer that plugs into single outlet 20 amp box. The new Samsung washer requires "AC 120 V / 60 Hz / 15 AMP fuse or circuit breaker." Can I safely replace the 20 amp ...
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1answer
64 views

Microwave on 220 volt branch

A friend has a microwave on the same circuit as electric stove. Independently they work fine but if an element on the stove is on and the microwave is turned on the breaker goes off. An electrician ...
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2answers
85 views

Exterior outlet not working

I have had a problem with 3 rooms and a bathroom all on one breaker. I originally thought I would need to split the circuit, but then decided to check the breaker first in case there were 2 wires ...