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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3
votes
2answers
118 views

Can I use "Southwire E51583" AWG 8 wire on 50amp breaker?

This question is two fold: I have a PrimeWeld 225x TIG welder and it calls for a 50amp/220v breaker and NEMA 6-50P. I need to run 60 feet from NEMA 6-50P to breaker box (I have 200amp service). ...
3
votes
1answer
90 views

Main circuit breaker tripping randomly with virtually no load on the circuit

I have recently bought a house and it came with this panel (from what I could gather, it was renewed sometime in the past 10 years): Today, I changed a light switch and afterwards I had the main ...
0
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1answer
74 views

Using an 8a 240v dust collector on circuit with 50a breaker

The prior owner of the shop had, I believe, outlets for welding equipment which were 50 amp 240v outlets with old NEMA 10-50 outlets. But, he was forward thinking enough to have a ground wire behind ...
0
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3answers
81 views

How to protect electric appliances from high or low voltage or short circuit or any other electricity related thing

I have so many electric appliances installed at my home(India). I have been recently reading in newspapers that some electric appliance are getting affected due to voltage or short circuit issues. I ...
4
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2answers
604 views

Is there a problem with using a dual function breaker when a CAFCI would suffice?

I am upgrading a handful of breakers - a couple of circuits with lighting need CAFCI and two with outlets need GFCI (I am going with dual function breakers rather than GFCI outlets). I have two ...
2
votes
1answer
79 views

CAFI Breaker Randomly Trips

I have a new CAFI breaker in a Square D Sub-Panel (older panel - T5 Series, 24 slots, but new installation of breakers and wires due to renovation work, whole cottage re-wired). I did the rough and ...
0
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1answer
55 views

Can you feed power into a breaker of a loadcenter that has no dedicated main breaker, or must you use the main bus lugs?

For example: If a loadcenter has main lugs but no dedicated main, can I add a breaker and feed it to light up the bus and then add additional breakers for down-stream circuits? The idea is to have an ...
0
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2answers
47 views

The home single phase differential switch cuts whatever I did

I have a 30 mA sensitivity differential switch which cuts each time I lift the power switch even if the circuit breakers for the sockets and the lighting are off (even if all the circuit breakers on ...
2
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2answers
69 views

60V on disposal switch, and fridge controlled by a GFCI?

The house I'm renting has a very old (fire-prone) Zinsco panel. There are only 7 breakers for the entire house, and shared neutral multi-wire branch circuits all over the place. At the moment, breaker/...
5
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2answers
2k views

Why is my stove tripping the breaker?

Recently when I turn my oven on, it trips the breaker. The oven stays on for quite awhile and heats up, but it seems that when it is turned up over 300 degrees, it shuts off. It’s an old stove (20 ...
3
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1answer
157 views

Is this panel up to code? Even with the gaps and visible wiring?

This panel cover is not flushed to the circuit breakers and has gaps with visible wiring. Is this unsafe and a code violation?
2
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1answer
81 views

How do I break the ground/neutral bond in this sub panel?

The previous owner put in a sub panel. 6awg plus ground is feeding it with a 50 amp breaker at the main. It is in an attached garage. I’m going to fix what he did with the bonding. What is the metal ...
3
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3answers
136 views

Can a circuit connecting to an outlet be branched as a subpanel?

Can I have something like this, or does the cable run from the panel to the subpanel need to be dedicated? Main Panel+Breaker -> 40A dryer box with Outlet -> Subpanel+Breakers -> More ...
2
votes
1answer
620 views

Cannot turn on breaker switch after turning it off

Summary I turned off each circuit breaker in my electrical panel to understand which switches controlled which devices, and now one of them immediately goes to the middle (tripped?) position when I ...
3
votes
1answer
94 views

Help find alternative to a two double pole quad circuit breaker

We discovered the family room circuit breaker in off position doesn’t turn off any circuits in the family room. Other 3 breakers in this quad breaker are fine. We checked and no other breaker in the ...
0
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0answers
72 views

Can anyone identify my breaker

It is an old mobile home and I am trying to find a replacement for the breaker.
39
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2answers
11k views

How did a circuit that was shut off at the breaker almost kill me?

I just had a near-disaster while trying to install new smoke detectors. My house has AC hardwire connections for the smoke detectors. I wasn't sure which circuit the smoke detector AC connection was ...
0
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0answers
48 views

Breaker cannot turn on with nothing connected at other end

After a heavy rain, I cannot turn on the breaker for my washer. I removed connection at wall outlet, no both hot and neutral wire are open, but still can not turn on breaker. try 2 different breakers, ...
9
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3answers
1k views

Can you use a 2 pole 2-slot wide breaker to provide 240V?

Forgive my ignorance in terminology, I am a computer engineer but not an electrician. The concepts make sense to me, but I don't know all the industry standards and jargon. I recently had a 240V ...
2
votes
1answer
78 views

What amp breaker for 4500w electrical oven and 9600w induction cooktop on same circuit

What amp breaker should I use for a 4500 watt electrical oven and 9600 watt induction cooktop? Currently, I have a 6 gauge wire and a 50 Amp breaker, and my current electrical range is hooked up to ...
0
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2answers
143 views

Can I add a breaker to outside main disconnect box?

I already asked this. But I have to toss that whole thread. We had bought the model home & I just moved here. Next to us was the lot that they used as a parking lot for the model, that now they ...
6
votes
3answers
2k views

Guest House tripping breaker

I have a guest house that we use as storage. We have a second bathroom in there which gets used a lot. We’ve never had problems with losing power or tripping the breaker. A few weeks ago the power to ...
1
vote
1answer
50 views

GFCI tripping when circut is off at breaker - is there a short?

I have a shed wired up with a fuse box with a main breaker, GFCI safety switch, breaker for light circut and breaker for outlets. The fuse box is wired with a common ground and neutral on a bar ...
0
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3answers
92 views

Adding Transfer Switch to Main Breaker with no available ground/neutral spots on bus

I am installing a 10 circuit reliance manual transfer switch. I need to install the ground to the ground bar and the neutral to the neutral bar. However, both grounds and neutrals are mixed in my ...
0
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3answers
85 views

Can I tie two separate single pole arc-fault breakers into one neutral?

I've isolated the problem, but unfortunately I'm not hip to all the terminology to ask the appropriate question and decipher the answer. I am going to break it way down to (try) to avoid confusion ...
3
votes
2answers
89 views

Identify the type of circuit breaker

I'm trying to identify this type of circuit breaker (i.e. so I can find replacements, etc.), and so far can't find any matches. Unfortunately, I didn't take any pictures of the panel, and can't do so ...
1
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1answer
88 views

Adding a 240v circuit-keep me alive

My current setup in a house I moved into is main 100A panel with two subpanels, one with a bathroom fan and two 240v line heaters (for a single room not attached to the main heating of the house for ...
2
votes
1answer
108 views

Power outages trip 100% of new GFCI outlets but 0% of original GFCI outlets. Why?

I recently remodeled a SoCal home built in 2014. We added some new GFCI outlets and there were already some existing GFCI outlets. There are occasional planned outages here and when the power comes ...
0
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0answers
24 views

Refrigerator Compressor not working?

I unplugged then plugged back in my fridge an it isn't cooling or freezing! Does that mean my compressor is no more working? The light comes on inside the icebox?? Just not cooling or freezing..
5
votes
2answers
130 views

How can I replace breakers in a Murray panel with future upgrade compatability?

I have a Murray LC116DS circuit breaker panel. I want to replace the standard breakers (some alien) with AFCI's and GFCI's. I also want to be able to move these expensive breakers to a new subpanel in ...
5
votes
5answers
2k views

Is too many rooms on one breaker a bad thing when selling a house?

I'm asking about my parents brick single family home that we are the original owners from around the late 50s. We were planning to sell the house and had the village come in to see what might need to ...
1
vote
2answers
79 views

Does adding a receptacle to a circuit require updating to AFCI?

Remodeling a kitchen. I'll be adding two new circuits dedicated to the microwave and fridge. I'll also be reconfiguring the countertops which will result in having to add another outlet to meet code ...
1
vote
2answers
136 views

Can I split a 50 amp Circuit into two 15 amp and a 20 amp?

On the main breaker for my house I have a 50amp circuit which until recently was being used for a hot tub. I would like to repurpose the circuit by running it to a sub-panel with two 15amp circuits ...
4
votes
4answers
447 views

Should I use a 14-50 outlet with #10 wire for a 30A range?

I'm getting a new dual fuel range and am figuring out how to connect the electric. It's a Thor brand, model HRD3088ULP. The oven specifies that it should use a 30 Amp breaker, but also should use a 14-...
0
votes
1answer
88 views

Voltage drops so low that PC/Monitor doesnt even turns on?

This all happened today. I turned on my power switch to which my 3 monitors and 1 PC are connected via extension but nothing turned on. Wondering whats the reason i started my diagnosis on the switch. ...
0
votes
2answers
88 views

Circuit Breaker tripping with "no load"

Any electricians arounds that know something about circuit breakers and them tripping for no apparent reason? We have kitchen and garage lights that are on a single circuit. They went out without ...
0
votes
2answers
64 views

2 half rooms run off same 2 breakers

Half my kitchen where the stove is and half a bedroom are on the same two breakers 15/(15) and a 40/30/30/(40).. one of the breakers as been replaced (15/15) but nothing works unless I turn the ...
8
votes
4answers
2k views

Sum of current measured from breakers different from main breaker

We are considering upgrading the service at our office from 100A to 200A because we plan to add more equipment that will be high in power consumption continuously. Just to determine where we are ...
0
votes
4answers
144 views

Put in a GFCI circuit breaker and get rid of 11 GFCI receptacles

My kitchen counter has 11 GFCI power receptacles. I don't know why the builder didn't just use 1 GFCI receptacle and daisy-chained the rest of them (they did in the garage). I read each GFCI ...
22
votes
2answers
5k views

Is this correct? Welder suggests 15A outlet on 20A breaker, or 20A outlet on 30A breaker

I just bought a lower-mid priced 120V/20A welder (Forney Easy Weld 140MP), and the manual details that the welder be plugged into a 20A outlet (with a 30A circuit breaker), or you can use a provided ...
0
votes
3answers
61 views

Older home, how to tell if circuit has a GFCI, when the walls are covered

I am replacing a Food disposal/dispenser and newer model has a plug (not hard wired). As a result and a precaution I am installing a GFCI outlet for the Garbage Disposal, (I do know how to look for ...
1
vote
2answers
432 views

Square-D Homeline vs QO: Which one is better as a subpanel? [closed]

I am remodeling my kitchen and therefore need to install 9 AFCI circuits that are compliant with NEC 2020. I would also like to change wiring in the garage and put 3 circuits there (no need for EV ...
1
vote
2answers
114 views

Square D HEPD80 Whole Home Surge Protector

Please advise how I may add the Square D HEPD80 Whole Home Surge Protector to my existing panel. The installation calls for an open circuit and I want to verify if I can or cannot safely add the ...
3
votes
1answer
116 views

Replace two-pole 60 amp breaker with two-pole 20 amp breaker

I have an 240v outlet in my garage that was wired to use with a kiln. It was never used for this, and now I want to use it to connect a window AC instead. It current has a 60-amp breaker. I assume it'...
0
votes
1answer
35 views

Is this fan control switch appropriate for this ceiling fan?

United States, California, house is built in the 90s. I have a ceiling fan that says model number CF101H-60, 1.2A 120W. https://www.homedepot.com/p/Hampton-Bay-Industrial-60-in-Indoor-Outdoor-White-...
1
vote
2answers
166 views

Can I Upgrade My Main Panel Breaker to 125 Amp

I’ve got a 100 amp main breaker in my center fed panel, and I see that the bus bars are rated for 125 amps. I’d like to add a 50 amp circuit for EV charging, but my current load calculation is about ...
0
votes
2answers
98 views

Any problem adding a bunch of dedicated circuits to shift load around?

We bought a house in April that's about 5 years old. When it was built, the outlets for a large portion of the house (including master br, office, and living room) were all wired to a single 15 amp ...
0
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3answers
539 views

Eaton Circuit Breaker small LED on but not tripped

Why are the red LED lights next to Test button solid red picture as follow
0
votes
0answers
42 views

What is the cause for the outage

I have a breaker outside the house next to the meter. Quite often, almost twice a week, it trips and I have to go outside to reset it. The breaker in the house, located in the garage, doesn’t trip. ...
1
vote
1answer
78 views

Trying to upgrade breaker from P215 to P220

I am living in very old house and one of Main Panel's breaker is keep tripping due to excessive power usage (dryer or electric stove) So, I did some investigation and this is current setup Main Panel(...

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