For questions generally relating to safety devices used to automatically stop the flow of electric current in the event of a fault condition.

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2answers
155 views

Can having a bad grounding situation destroy a circuit breaker?

We moved into a home, built a while ago. there are wires hanging and covered in black tape on a chimney. I bought 2 sconces and put them in place. i did not hook up the ground wire on one of them, ...
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2answers
183 views

Circuit breaker keeps popping, how do I troubleshoot?

The 20 amp breaker to my garage keeps popping. On that circuit is one outdoor floodlight fixture, one outlet receptacle (with nothing plugged into it), and two light fixtures with 60 watt ...
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2answers
319 views

Insulating near a breaker box

Hello: In remodeling my basement I have so far finished installing R-10 2" XPS insulation against my block walls. My question is: How close or how far away from the circuit breaker panel can I place ...
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1answer
187 views

Can I add a 50 amp breaker for an arc welder?

If my service disconnect breaker is a 150 and my fuse box isn't maxed out, 3 slots still available would I be pushing the limits to add a 50 amp breaker for a arc welder? I haven't pulled the cover ...
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1answer
192 views

GE Load Center Q's

I have an old GE meter socket load center (see picture). I have no idea what the model number is because the paper label on the inside of the lid is unreadable, and I have been unable to find any ...
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2answers
171 views

Why do I have no power in two rooms after plugging something in?

I plugged something into an outlet, and heard a sort of a sizzle noise. Now I have no power in two rooms, but the breaker did not trip? Any ideas into what happened?
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1answer
243 views

How Many Amps Is this breaker? [closed]

I am trying to figure out how many amps this box has. Top left breaker is 50amp and top right is 30amp. I want to put an xray machine on this that requires 100amps at its max. Do you think its ...
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1answer
1k views

Can I install two GFCI receptacles on a multiwire branch circuit?

I am wondering if I'm using a 10/3 teck cable to power two 20 amp GFCI receptacles for a temporary power situation, can I use two separate single pole 20 amp breakers at the panel for each receptacle. ...
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1answer
222 views

Why is one half of a subpanel not working?

I have 12/3 wire running out to my garage. I have a double 20 amp breaker in main box and a subpanel with two single 20 amp breakers in the garage with black to one breaker and red to the other. The ...
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1answer
3k views

What could be causing a new 20 amp dedicated circuit supported by a GFCI breaker to trip?

I installed a dedicated 20amp circuit home run to support a single duplex outlet in a bathroom. The GFCI breaker is wired correctly. However, When I plug in a load such as a light a the breaker ...
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1answer
2k views

Why is the circuit breaker for my furnace stuck in the off position?

The breaker for my furnace is stuck in the off position. We were away for the winter and had someone shut it off, and now the breaker won't turn on at all. We shut off the thermostat upstairs thinking ...
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0answers
5 views

Replying to people who answer my question [migrated]

I'm sure there's a better place to ask this question but I do not know where it is when someone replies to one of my questions how do I reply to their answer? I am new to this forum and do not know ...
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0answers
197 views

30amp power cord to 20amp breaker?

I am converting a cargo trailer into a camping trailer, including wiring it to have power from and RV hookup. The most common RV hookup is a 30amp. Since i don't really need the 30amp power, my plan ...
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0answers
81 views

How to know that new appliance won't trip the circuit?

I'm buying new appliances and want to make sure I won't trip the circuit. MW/convection is 950 W, 1750 W and 900W for three different functions. There is 20 Amp circuit for that. the new stove ...
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0answers
569 views

Why do I have a 3 wire/double pole breaker for kitchen receptacle?

I am switching my kitchen receptacle to a GFI; it has 3 wires. I'm pretty sure I have to break the bar between the two hot screws, thus making the top and bottom on a separate circuit. What is the ...
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0answers
48 views

Multiple AFCI breakers tripping at same time [duplicate]

Possible Duplicate: What could be causing AFCI breaker and GFCI receptacle nuisance tripping? I have a new house. During the last couple of months I will find that multiple breakers will ...
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1answer
196 views

Is it safe to pull a continuous 18 amps from a 15 amp outlet?

I have a heater that draws a continuous 18 amps and has a 20 amp plug. I created an extension cord to plug into the wall, however on one end it's a 20 amp receptacle - heater plugged into extension ...
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2answers
62 views

Electrician Terminology “FAU”

I've noticed these letters several times written on the circuit breaker panel door. Does someone know what F.A.U. stands for in this context?
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1answer
125 views

How do I figure out what this 30amp 2 pole breaker is doing?

I have am looking for space in my circuit breaker panel to do an upgrade. There is a 30 amp dual pole breaker labeled "water heater". Our water heater was upgraded to a tankless about 6 years ago and ...
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2answers
51 views

Do I need a breaker in main pannel for sub pannel?

I have no breaker space in the main 200amp panel. I'd like to set a 100 amp sub panel with its own breaker. Can I connect the sub panel to the main entry lugs on the 200 amp panel?
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2answers
118 views

Outlet causes breaker/fuse to trip but why

Been living in my house for 9 years. I've got a certain outlet in my master bedroom that just started doing something strange. Let's say I have a light on in my master bedroom...and I try to plug in ...
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2answers
2k views

Lights and outlets on multiple circuits out but no circuits tripped. Power back to normal after several hours

for the past several days the lights and outlets to multiple rooms in my house have been going out, yet no circuits are tripped. This is happening to lights and outlets on multiple circuits. The weird ...
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1answer
8k views

Why has my garbage disposal started tripping the breaker every time?

I have never had a problem with my garbage disposal or that circuit before, however I am now having issues with it. Every time I turn it on, it immediately trips the breaker. I'm not even sure how to ...
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1answer
2k views

20 amp breaker with 12 gauge and 14 gauge wire

I am looking at replacing a couple of old, porcelain style single bulb fixtures in my basement with some 4 lamp fluorescent fixtures. I am actually running new wire to the fluorescent fixtures from a ...
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3answers
350 views

On a true 60 amp 240 volt circuit will each side of the breaker carry more than 30 amps if required?

If my distribution panel on my boat is wired 240 v 60 amps max and there are many 120 v 15 a circuits, if one side of the 120 v panel starts to draw more than 30 a, will the breaker compensate by ...
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1answer
487 views

replacing 20 amp breaker which is the test breaker

I need to replace the 20 amp circuit breaker on my cutler hammer 200 amp breaker box. this happens to be the TEST breaker. what is the difference in the test breaker and a any other breaker if I ...
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2answers
3k views

30amp dryer on a 50amp breaker?

After many pitfalls, I have gotten my new dryer working. It's a Kenmore 81182 electric dryer. (Manual from sears; Sears website). Very long story short, the neutral wire at the breaker box wasn't ...
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3answers
248 views

Can I take the cover off my fusebox to attach an energy monitor?

I have bought an Energy Monitor to track our electricity usage (hard times...). I now need to put the sensor on one of the cables either next to the fusebox or the meter. Unfortunately I cannot ...
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3answers
230 views

Re-use circuit breaker handle tie?

I have a double pole 30 amp breaker controlling a 230 volt load that I need to replace. I cannot obtain one at this moment; perhaps tomorrow but maybe next week. Either way, I have two good used 30 ...
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1answer
880 views

What subpanel and number of circuit breakers should I install in a detached garage?

I no longer am dealing with my contractor. Long story. But he ran 2 10-3 wires out to my garage for power. I think he was planning on putting a 30 amp breaker on the panel in the house for each wire ...
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2answers
1k views

Choosing a power supply, breaker amperage and wire size for a 220V welder

I have a new SMAW welding machine (80-250A) and I want to use it at home. I don't know yet how to make an outlet for it. Would it be correct to plug it into an outlet in my house with a 15-amp ...
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2answers
343 views

Can I get 3 double pole breakers in my circuit breaker?

I am considering purchasing a inline water heater and having it installed (Eco 24). Before I do though I want to know for sure that it is possible to install with my current breaker box (the water ...
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2answers
8k views

Where in the breaker box should I terminate the neutral wire from my dryer circuit?

I am looking for an answer to something I am lost about, hopefully I can fins some help. I recently moved into a new home. The previous owners had a gas dryer and no outlets for an electric dryer. I ...
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1answer
52 views

No voltage from breaker even though breaker is good

I’ve searched the forums quite a bit and can’t find any other question like this one. I recently moved into a new house and needed to remove a light fixture from a wall in a bathroom. So I needed to ...
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2answers
94 views

2 breakers powering 1 set of outlets

this is my first time posting a question to a forum like this. Electrician added a breaker and ran a line to an outlet that had power from a different circuit but had a short in it that could not be ...
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1answer
118 views

internal fuse on air handler blows every time it shuts off

air handler for air conditioner has worked fine since I moved into the house but this year both times the air conditioner has turned on it has not restarted. Both times so far the problem has been ...
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3answers
425 views

Why are the lights flickering when the a/c is on?

The lights flick on and off when the a/c is on and the sound of a/c is too noisy and look like it's going to blow. I already checked the connection if they have a short circuit. Did not found any ...
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2answers
73 views

Circuit breaker + panel selection — make and breaker series?

Is there a compelling reason to choose one type/brand of breaker & panel (Eaton CH, Eaton BR, Square-D QO, Square-D HOM, Siemens, GE) over another when putting a new electrical panel and breakers ...
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2answers
248 views

What could be causing there to be no power at my ceiling fixture?

I installed a replacement chandelier, heard a pop which tripped breaker, reset the breaker the chandelier would not work. That breaker shares CAN lighting (has its own dimmer switch) with the ...
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1answer
1k views

Well pump circuit keeps tripping the breaker

Our well pump motor was recently changed (it was making a huge racket, burning up switches one after the other etc. The bearings were going out). Smooth sound, no more burnt switches, water pressure ...
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1answer
1k views

Is 40-amp breaker enough for my new range?

My new range says it needs a 40-amp circuit breaker minimum. But it also says maximum draw is 13,200 watts on 120/240, so doesn't that mean a 40-amp breaker would be inadequate? By my math, max ...
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1answer
192 views

What could be causing our air conditioner circuit breaker to keep tripping?

Our air conditioner circuit breaker marked "AC", is tripping frequently after the AC unit works for a while. Sometimes as long as an hour or more and, sometimes as short as few minutes. We were told ...
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1answer
63 views

circuit breaker issue

I'm trying to figure out why my circuit breaker keeps tripping. This is for the garage door opener. It is the only thing that is on the breaker. I have lights in the garage but they are rarely on. ...
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1answer
104 views

Which thermal circuit breaker should I buy?

I live in a small house in Argentina where we use 220 volts. I have a thermal circuit breaker that do squeak noises when the iron starts or the fridge starts. I adjusted the four screws of the breaker ...
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1answer
69 views

Repairing a circuit when the break is unknown and inaccesible.

Background: 100+ year old house with lots of really janky, messed up stuff. Some novice before me has been monkeying around, so don't assume that the current wiring is sane, safe, legal, modern etc. ...
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1answer
2k views

One of my breaker switches buzzes when I flip it on, should I replace it?

I recently installed a ceiling fan in a bedroom, and when the fan is active the electromagnet was a little louder than I was use to, but figured it may just be a cheap fan. However today when I went ...
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2answers
154 views

What is this single pole switch to empty ceiling box blows breaker when switched on

I would appreciate some help thinking through what are the possible problems in the following situation? A newly wired circuit from breaker box ( 20 amp 12 AWG wire) to front of the house (longest ...
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1answer
31 views

How many ceiling fans and switches can I put on one breaker [duplicate]

I have a person that wants to wire in four light boxes and four ceiling fans with switches and I need to know if I can run all four of them safely from one breaker and if so what kind of breaker? This ...
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1answer
65 views

Circuit breakers off, but meter still running

I purchased a house a few weeks ago and got the power connected about a week ago. The house has been empty and I leave all the circuit breakers off. The Meter is digital but the display doesn't seem ...
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0answers
70 views

I am having problems with my circuit breakers. can you help?

When I shut one breaker off all the power shuts off to 5 other breakers. What could that be?