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.
1,734
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New Sub Panel to new shop – Please check my math/ Plan
Wanted to run my plan by the experts to make sure I’m not screwing up.
I have an approximate 180’ run from my 200 Amp Eaton Main Panel, to a proposed 125 Amp sub-Panel in my new shop.
The Run
Wire ...
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1
vote
1
answer
61
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Is my new electric/subpanel plan correct?
I currently have 100A service and I want to upgrade to 200A. At the same time, most of the wiring in my house is old and I don't trust it. Finally, the current main panel is in a bad place in the ...
- 569
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1
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72
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CH type breaker clip compatibility issue
My sub-panel is a type CH panel. I fried a 15A breaker and need to replace it.
I picked up a replacement Eaton CH type breaker. The clamps on the bus/load bar work perfectly, but the clips on the ...
- 159
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3
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94
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What is the smallest Awg stranded wire that can be used in a house on 20amp breaker?
Smallest stranded wire that can be used with 20 Amp breakers
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1
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54
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Cause of lights flickering in one room, running dryer causes momentary power outage?
Update
The cause ending up being the tape around the two 110v wires had broken and the two "terminals" (sorry don't know correct terminology) were making contact.
The recessed lighting in ...
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29
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GFCI breaker pops only when a specific other breaker is enabled?
My mother had a NEMA 14-50R outlet installed outside her house so I'd have a place to charge my EV. The outlet connects to her breaker panel via a 50 amp 2-pole GFCI breaker. Unfortunately, the ...
- 111
0
votes
1
answer
37
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No power to circuit and breaker not tripped
I’m having an issue with a 15 amp breaker that feeds electricity to my living room. I plugged in an electric heater last night and it ran for a few minutes before it started making a loud sound. I ...
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0
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45
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Oven causing a circuit breaker to trip
About 3 or four weeks ago, water was spilled onto the stove and ran into the burners. There was a pop from one of the burners and the oven went out. Breaker had tripped.
At first, I was able to reset ...
0
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1
answer
42
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Correct wire size for main panel after automatic transfer switch install
I have a 150 amp main electrical panel. I had electrician install an automatic transfer switch for a whole house generator and I am unaware of the original gauge wire used before the install. After ...
- 129
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0
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58
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43A shower installed on 40A RCBO
I recently had a new consumer unit installed (6mo back). The shower is on a Hager ADA140G breaker, 40A rated.
However,when replacing the pull cord switch for our shower and doing my research, I ...
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4
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745
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Do I need to use a smaller breaker when switching from an electric to a dual-fuel range?
I have a 40A double-pole breaker feeding 6 AWG aluminum(?) wire going to a NEMA 14-50 receptacle for an existing electric range/oven. We had the oven replaced with a dual-fuel model (Bosch HDI8056U) ...
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1
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44
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All legs of a lighting circuit down, but 120 volts off my breaker
I'm not an electrician, but usually a capable homeowner for troubleshooting my own electrical issues.
My issue is that I have a 15amp lighting circuit where all legs are currently down. Started a few ...
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0
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63
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Why does the broiler of my Frigidaire induction range trip my GFI breaker, on ground fault, after 6-8 minutes?
With my Frigidaire induction range, new in 2021, the broiler tripped the Siemens 40A, 2-pole, 240V GFI breaker after the broiler operated for 6-8 minutes. No other mode of operation – with burners and/...
3
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2
answers
1k
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Is there a problem oversizing a circuit for a car charger?
I am wiring a Tesla wall connector with #6 gauge THHN in conduit and installing a 60 amp breaker to allow for a max 48 amp charge. If I only need a 48 amp charge every so often and choose to ...
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0
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32
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Use existing subpanel for EV Charger
I would like to install an EV Charger (Juicebox 32, 32A / 7.7 kW) in my garage.
In the garage we do have an existing sub-panel, however the panel seems to be full (see picture ).
The main breaker is ...
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0
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3
answers
62
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Messing with unpowered fixture causes breaker to trip
The issue I'm encountering is this: I'm replacing an old light fixture, or just removing it so I can paint. Power is off at the switch. I get the fixture disconnected from the wiring, and then any ...
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0
answers
45
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Outside light fixture keeps tripping the breaker
I replaced an outdoor light fixture and when I turn on the switch the breaker trips. The wiring is correct and secure. There are two light switches in the garage. The one on the right controls the ...
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3
votes
1
answer
442
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Can I use a larger bus bar in this panel?
As a followup to this question of mine, I'm now uncertain if I can add another dual-pole breaker to this subpanel at all.
The bus bar on the left side has only one slot left, and the right side is ...
0
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0
answers
36
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Breaker keeps tripping after replaced
My garage breaker tripped out of no where about a week ago while we were at work. It kept tripping after resetting it. The wire goes underground from the panel and into the garage.
At the first ...
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3
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2
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220
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Off Grid Solar System - 250 amps of Inverter capacity - What load center do I use?
I have four Sol-Ark 15k inverters (Although I'd like to size things so that I have room to add more in the future if needed). Each inverter can supply up to 62.5 amps of continuous power. So 62.5 ...
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1
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36
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Hot tub circuit breaker in sub panel trips after 5 hours
I have a 2 year old hot tub and the sub panel keeps tripping after the hot tub runs for a few hours. The heater, ozonator and sub panel circuit breaker were replaced to try to fix the problem but it’s ...
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0
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69
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Primo Water Dispenser Suddenly Tripping Circuit Breaker
I have a top loading Primo water dispenser. Model # 601130, found here on Home Depot's website, as I couldn't find this particular model on an official Primo site.
Listed on back of dispenser:
Model: ...
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1
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84
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Why does the fuse blow when I turn on the oven and stove in the kitchen?
Why does the fuse blow when I turn on the oven and stove in the kitchen?
This is a new build house that I rent. The owners told us we can only use either the oven (countertop oven) or stove (...
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0
votes
0
answers
40
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Power coming out of breaker, no power to circuit
I have a circuit that powers all smoke alarms, two hall lights, two outlets and a ceiling fan. This was working fine then stopped with no explication. I checked the breaker box and there is 120 out of ...
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0
votes
0
answers
25
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Dryer circuit box is still showing active
The circuit box for my dryer has been tripping recently. It gives a fishy type of smell. I bought a new 30 amp circuit from LOWES to replace it. When I turned the main power off to my home through the ...
-1
votes
1
answer
81
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is electrical insulated hand glove enough for household electrical work
The circuit breaker panel cover is metal so it might shock if one of the wires inside get damaged and it might come in contact with the panel cover.
The use case is when one of the tripper goes off , ...
- 107
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0
answers
35
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Why would you wire 120v outlets to a 240v breaker? [duplicate]
I moved into a new house a few months ago, and I had a rather rude realization today that ALL of the outlets and light fixtures in the master bedroom, living room, family room, hallway, guest bathroom,...
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1
answer
62
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20 amp Circuit breaker GFCI and CAFCI
I'm confused on usage of these 2 breakers on a 20 amp circuit for outlets. All outlets are inside of house except kitchen and bathroom but few are located in a crawlspace also. Which one would be more ...
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1
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100
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Washing machine with GFCI Outlet and GFCI breaker
I just bought a brand new washing machine and the hookups are located in the basement by a single GFCI outlet. This GFCI outlet is connected to a dual function AFCI/GFCI breaker. When initially ...
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0
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51
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Pulled wires and didn't take a picture, now breaker will not shut off power. Help
Now I've wired it from black power to white switch to black wire other room, then to light socket Wires neutral power to neutral other room hooked thos Then black to poweron fixturre
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1
answer
66
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Which kitchenette breakers need to be AFCI?
I'm adding a kitchenette to my basement and am in WA state. My plan right now is to run one 20 amp circuit for the fridge, two 20 amp circuits with GFCI outlets above the counters, one 50 amp circuit ...
- 11
0
votes
1
answer
52
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Light switch on 15a breaker, cable 12g, connected a 15a light switch with a 14g ground. Is it okay?
The original light switches had the ground spliced at the back and not connected to the switch. I am replacing the switch with a new 15a rated light switch and spliced a 14g ground (I just cut a new ...
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2
votes
1
answer
149
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Breaker tripping after ~.5-4 hours even with minimal load
I have a circuit in my home that started periodically tripping recently. I have tested removing each appliance one-by-one, but even with everything removed it still trips after some amount of time ...
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0
votes
3
answers
69
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120v AFCI breakers tripping due to lost 240v leg in same panel
I had a weird electrical problem and found the fix, but I'd love to understand the mechanism by which this happened. Disclaimer: I'm not an electrician, buyer beware, etc.
The symptom I had was 3 ...
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2
votes
2
answers
143
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Radio transmitter nuisance tripping AFCIs
I've got a DC powered ham radio in a spare bedroom converted to an office, with a coax feedline running up to an antenna up in my attic near the ridge. About six months ago, I upgraded my feedline to ...
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2
answers
175
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GFCI breaker trips with no load connected
I installed a 20A GFCI breaker on a circuit of 6 wall & counter outlets in kitchen and it trips instantly. I unplugged everything from the outlets and still trips. Then disconnected load and ...
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1
vote
1
answer
221
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Can I have a larger breaker in a sub panel than the size of the breaker in the main panel feeding it?
I have a 200amp main panel and a 200amp sub panel, a foot apart in my house. Concern I have is from the main panel a 100amp breaker feeds the 200amp sub panel. Is this correct?
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3
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949
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Safety of DIY Installation of Emporia Vue 2 with an Emergency Service Disconnect
I am installing an Emporia Vue 2 energy monitor by myself (possibly) and am trying to assess the safety of doing so. My house is equipped with a 200A emergency service disconnect outside, the invoice ...
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0
answers
57
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Should my 110 volt outlet show 37 volts when breaker is off? [duplicate]
When replacing a very old GFCI outlet, my first step was to disconnect the circuit at the breaker box. But when I measure the voltage at the outlet, I still see a reading of 37 volts AC. I expected to ...
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0
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72
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How do I wire my 3-wire cook top where there used to be a 4-wire one?
I am changing out a 25-year old 240v cooktop with a new cook top. The old cooktop had 4 wires and the new one has 3.
After the white and green, the junction box has 1 set of 2 purple wires that the ...
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0
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39
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i am trying to separate out a circuit that has my basement outlets and also my septic tank aerator pump. question on best way to proceed
So this is made more complicated in that this circuit is tied together with another circuit through Multi branch wiring....these circuits are sharing a neutral. The junction box with all the initial ...
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1
answer
120
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Why do I hear water running through my water heater until the breaker is turned off? [closed]
I heard water running, so I turned off the main water line outside, but the sound was still apparent. It was coming from the electric water heater and didn't stop until I flipped the breaker to the ...
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2
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3
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88
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1-phase induction hob connection
G'day!
I would like to connect a Bosch induction hob (PVS775FC5E) to a dedicated circuit breaker (25A, 230V with no other load on it) at home (built 1998, Netherlands).
According to the hob manual, I ...
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3
votes
2
answers
693
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Installing a 125A subpanel in outbuilding 200ft away but Main panel has no breaker that will take 4/0 cable (max 2/0)
Wanted to make sure I had the right size wire for the 125A Subpanel since it will be almost 200 ft away, went to buy a 125A breaker for the feed wires and they all only take 2/0 maximum. I have a two ...
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vote
2
answers
50
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I want to use a thin gauge wire from a Nema 14-50 outlet [closed]
I have an RV and want to plug into the typical Nema 14-50 outlet found at campsites. However, I am never going to draw more than say 15amps. I would rather not have a heavy bulk cable that will never ...
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0
votes
2
answers
110
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Half the circuits on a Pro/tran 2 transfer switch do not work on generator
Installed a Pro/Tran 2 6 circuit transfer switch. The switch works fine on "Line". However, the circuits on A, C, and E do not work on "GEN". The circuits on B, C, and F work on ...
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vote
3
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984
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Should I use a 15 amp or 20 amp breaker for a mini split with max current at 13.0 Amps?
Installing a garage mini split with AC and heat. Running <25 ft of 12 gauge to disconnect and 10 gauge whip to condenser. Unit specs say rated for 8.7 Amp with max Amps in heat mode at 13.0 ...
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0
votes
0
answers
63
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Why does my circuit breaker trip when I turn off a surge protector?
We recently had a room painted, and we asked the painter to replace all of the power outlets and light switches in order to match the trim color (white pieces now instead of beige).
While moving ...
- 101
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1
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144
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Tripped a breaker drilling into a stud but didn't hit a wire
I was mounting a baseboard heater to the wall today. I was pretty sure the screws were going into studs but at some point I tripped a breaker on a nearby outlet. I was afraid that I had hit a wire so ...
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3
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836
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What is a the maximum breaker size inside a subpanel?
I have an electric car that I'd like to charge faster. I have a charger (EVSE) that will pull 24A. I have a detached garage with 30A service running to it (10-3 wiring, 30A breaker at the main panel). ...
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