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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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Capped off outlets and light switch wiring, now no power to half the house

I am in the process of removing a wall from my home separating the kitchen and dining room. To do this, I needed to remove the wiring from the wall. Steps I took: Shut breakers off to kitchen lights, ...
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2answers
47 views

How many amps can 240v handle-tied breakers provide?

Question How much amperage can handle-tied breakers provide? If there are 2 circuits, is there any way I can check? Background My heating is provided by 3 convection heaters, respectively 1000w, ...
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1answer
36 views

Breakers for living room was working, but has stopped after I turned breaker on/off

I have one circuit of outlets and lights in my living room that stopped working one day. This happened after I turned off all the breakers to the house and when I turned everything back on I noticed ...
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3answers
222 views

Can I use a 15A breaker for a 10A baseboard heater?

First off, I wear many Hats (jack of many, master of...some) I refer to the 2017 NEC often and able to answer my questions most of the time. This one bounces my brain too much. Providing this answer ...
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63 views

What should one look for in fusible electrical protection hardware to avoid insurability issues?

A common anecdote, and one that is not without substantiation, is that some home insurers refuse to insure houses with fuses in their electrical system. While this is substantiated in the typical ...
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1answer
20 views

Installing eco smart 27 with sub panel breaker box

I’m installing a eco smart 27 tankless water heater, which requires (3) 8 gauge wire with (3) 40 amp double pull breaks. I am having to install a sub panel for this, and I am wondering what gauge wire ...
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18 views

220 breaker will not turn off

our range is on a 220 breaker. We lost power for approx 75 minutes. When the power came back on the oven door was locked. Our instructions were to turn off the breaker, then turn back on and oven ...
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44 views

Power outage in just one bedroom of apartment, then every receptacle in one circuit, tried everything. Please Help!

2/3 duplex sockets stopped working. Replaced them with Leviton 15amp. Did everything correctly, and everything worked for months. Since I had no issues replacing those and every other outlet/ switch ...
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1answer
1k views

Safety hook on double pole circuit breakers

My home was built two years ago, so I would expect everything to have been done up to code. The problem is that I don't know what the metal ring in this photo is. It loops over the double pole circuit ...
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1answer
30 views

Smoke from the fusebox switch but everything seems be working

I was replacing an electrical fixture and I had turned off the circuit (one with support for arc testing) on the electrical panel. When I turned it back on, it made some noise/ some smoke came. I ...
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2answers
149 views

What can I do about a breaker that trips frequently on a Stab-Lok panel?

I have a 120V/20amp breaker that trips if I run a kettle boiler, toaster oven and microwave at the same time. The only other load on this circuit is a small computer/modem/wi-fi router running at < ...
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1answer
39 views

breaker trips when switch is turned OFF

I have installed two LED pots in parallel, controlled by SPST switch. The lights are from Amazon (China?), the 14/2 wire and 200a Siemens panel are from Home Depot. The 15a breaker came with the panel....
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28 views

replace regular breaker with dual function AFCI/GFCI

I have a 15amp circuit that feeds outlets in the upstairs bedrooms, the one outlet in the upstairs bathroom and a few light fixtures. A few years ago I replaced the bathroom outlet with a GFCI outlet ...
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1answer
61 views

Sudden power surges from games console

Last night I dozed off on the sofa and was awakened by a cracking noise which I quickly traced to a plug on the wall which was clearly sparking inside the case. Alarmed, I unplugged it, turned it off ...
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2answers
55 views

Why does my garage consumer unit buzz when the kettle is on?

I fancied a cup of tea while working in the garage and didn’t want to keep going back into the house so I fetched the kettle etc and plugged it into the garage. When I turn the kettle on, the ...
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1answer
35 views

Installing CAFI Plug on Neutral Circuit breakers

The circuit breaker has only 2 places to hold wires. There are 3 wires. These are the newest versions with no pig tail. Do I need to wire it to the neutral bar? I thought the idea of this new design ...
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1answer
75 views

Can you increase amps in your house with an external breaker?

I would like to significantly increase the draw of power, or rather increase the maximum drawing of power to the house I live in. But I'm looking for an external solution. This is a rental house. I ...
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1answer
42 views

Can I use a two-pole single handle breaker for mwbc?

I have a mwbc with two 20A breakers with their handles clipped for common trip. Can I replace this ensemble with a single two-pole 20A breaker with just one handle? New panel in CA. I'm unsure ...
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2answers
40 views

how to find circuit breaker for exterior light

Most breaker finders seem to work with outlets, but I have 3 exterior light fixtures which are on all the time. I want to find the circuit so I can work on this and fix it.
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3answers
96 views

20A home circuit breaker stuck in “TRIPPED” state

If I understand correctly, then the proper circuit breaker reset procedure is TRIPPED->OFF->ON (ie you can't reset the circuit breaker by going directly from TRIPPED->ON state). However, the circuit ...
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1answer
63 views

How to fix bad contact on busbar?

I have an ITE electrical panel from the 1970's. We noticed some flickering in the bathroom and some noise coming from the electrical box. There was a single breaker arcing in the panel. I pulled it ...
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2answers
69 views

Light switch shorted; can't figure out why

I swapped out a dimmer switch for another one. This was fairly standard, only two wires to connect, no ground (old condo). Turned the breaker back on, tried things out, the on/off switch worked, the ...
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1answer
49 views

Use existing 200A panel as temporary sub-panel off of new 320A service panel

Currently I have 200A electrical service that's brought to my house above ground and into the basement on the right side of the house, which feeds a 200A panel. I'm in the process of getting my ...
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1answer
55 views

Circuit breaker trips randomly

I will relate all information that I can possibly give as I have no idea how to even diagnose this issue. I live in a hot, dry country with 240V supply. The house I just bought here, has it's lights ...
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1answer
71 views

Can I feed two circuits from one breaker? [duplicate]

I'm running out of slots in my old electrical panel. All of my breakers have a single wire plugged in. Can I free one up by feeding my doorbell low voltage converter into the same circuit breaker that ...
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2answers
47 views

Any load on circuit trips bathroom breaker

Very strange thing happening. House is less than an year old. This is the bathroom circuit. The only modification was an additional outlet. Everything was working fine for months. Until this morning, ...
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2answers
322 views

Wiring a 220 outlet- can I use a 15 amp outlet with my 20 amp breaker? Or should I get a replacement 15 amp breaker?

I'm trying to wire an outlet for my lathe. The manufacturer recommends a 15 amp breaker. I am planning to run 10 gauge wire approximately 25' to the outlet where I can plug in my lathe. The motor is ...
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3answers
200 views

Circuit breaker won't turn back on after being turned off (not tripped)

I turned off all the breakers of my home to work on my electric. When it was time to turn the circuit breakers back on, 3 of them wouldn't: the one for the dishwasher, the one for the dryer and one ...
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1answer
74 views

What are the code requirements for upgrading a residential service panel? [closed]

I am new to the forum and would appreciate all the help I can get! I live in the Salt Lake City, Utah area, and just bought a home that isn’t that old at all (mid 90’s). I was doing some investigating ...
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1answer
129 views

Inserting bulb into fixture causes circuit breaker to blow,

I'm installing two new bathroom light fixtures. First one went in fine. Second one will blow the wall receptacle based circuit breaker the moment I screw in the bulb (in fact three different bulbs ...
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2answers
155 views

How can I frame around a service panel in the corner of the room and maintain clearance?

I'm refinishing my basement (1952 CMU masonry duplex) and need help figuring out how to frame around the electrical box that was replaced before the we put up the insulation. Unfortunately, the panel'...
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3answers
77 views

Can you add another stove to an existing circuit?

Suppose you wanted to put a second oven next to the existing oven in your kitchen. Could you simply add a second receptacle to the circuit? Hypothetically speaking, suppose your stoves were a ...
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32 views

Putting a breaker box in my garage

I am currently converting my garage into a woodshop. There is already electrical in the garage running from the house, however I am not sure that I won't blow breakers every five minutes running the ...
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2answers
50 views

Breaker Panel, what is this label?

So I am trying to identify all of my breaks in the panel. There is this one that I have no idea what it serves. I am hoping that someone could shed some light on what this might be referring to?
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31 views

Wiring Home for 120 or 240V Genset

I live in South Florida an as such need to have generators for hurricanes. I have 2 Generators, a small 3300 Watt Inverter-type Generator and a big loud 9000 Watt generators. My plan is to use only ...
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1answer
61 views

main electric circuit breaker - aluminium+copper contacts - put antioxidant grease?

I will be replacing main electric circuit breaker soon. Notice copper and aluminium contacts (this is the upper part of it, that goes to a meter) : When I told this to my neighbor, he told me to ...
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1answer
84 views

Just lost electrical power to 1/2 of two rooms, on separate circuits?

Flipped the light switch for my laundry room, bulb flashed and now I lost partial power in that room and in the garage. No breakers tripped. Cycling them doesn't help. Panel and all switches is 2 ...
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2answers
69 views

Neutral on main service breaker?

Beginning of the story was here - Is RC2040M150CH MSP upgradable to 200amps main circuit breaker So now I got QOM2200VH main circuit breaker (200amps) and ready to install it later this week. The ...
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2answers
81 views

Ground fault interrupt breaker

I could not find the load neutral--it may not even be white in the panel. Do I need to or is it OK to just hook up an extra neutral and go to the neutral bus from the GFCI breaker? Of course I have ...
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1answer
26 views

Wiring a compressor to an external building

I have run 2,2,2,4 in conduit underground to a 100amp box. In the house the ground an neutral are bonded together but in the shed they are separated(isolated). I'm connecting a compressor through a ...
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2answers
59 views

Yet another question about replacing a 15 amp breaker with a 20 - 12ga wire

long time listener, first time caller. I've got a 65 year old home that was wired in a way that makes no sense. 10 recepts on one circuit, 2 recepts on another, weird stuff. There is no 14 gauge ...
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2answers
77 views

Wiring for long runs

Problem: I didn't do my research before running a 200ft 12/2UF-B W/G cable from my breaker to my shed branching off to my pergola in between. I saw that 12ga was for 20amps and then run with it ...
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2answers
133 views

Can I replace two Siemens QP type, handle tied, single pole 15 amp breakers with a tandem QT type in the same configuration?

Our Siemens electrical panel has two single pole 15 amp QP type breakers, with a handle tie that are together powering a mini-split HVAC system. One breaker has the white neutral line into it (wrapped ...
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1answer
28 views

Transformer core size and breaker size

Without an isolation (or step down) transformer. Your 20 ampere circuit breaker can happily trip when oven hot wires touches ground by using proper hot, neutral and grounding wire sizes. No problem ...
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3answers
79 views

Do I need to switch off A/C external breaker for winter?

My home’s A/C has an external circuit breaker. Do I need to switch it off for the winter?
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1answer
57 views

what kind of amperage does this heater draw?

I can't make sense of this chart. For the column "Drop 9" with 9kw output, what kind of amperage does the heater draw? Here's another diagram if that helps.
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3answers
74 views

Does a GE TM3215CCU Accept GE Thin Breakers?

Hello, I am needing to install a 240V outlet for a welder in my home garage. Unfortunately, my home's breaker panel is full and I need to make room for a 30A 2-pole breaker for said welder. I have a ...
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1answer
892 views

What is this metal thing on my circuit breaker

Just bought a condo and one of the breakers in it has this metal thingy on it. What is it? What is it for?
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3answers
36 views

Borewell circuit box button coming out

When i turn on my borewell, after some minutes it stop pulling water and there is a button on circuit board which come out. When i press it in and restart the borewell it just start working and after ...
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3answers
78 views

GFCI with 2x 20 amp 1 pole breakers

I had a 15 amp 1 pole breaker connected to a gfci in my backyard. Now I need more juice. I decommissioned this 15 amp circuit. I fished a 12/3 from a 2 x 20 amp 1 pole breakers thinking I was ...