Questions tagged [electrical-panel]

For questions about panelboards (also known as "electrical panels", "circuit breaker panels", "fuse boxes", "distribution boards", "consumer units", or "load centers"). Questions about individual overcurrent protection devices should use [circuit-breaker].

154 questions with no upvoted or accepted answers
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117 views

Questions about installing an electrical subpanel (re: wire size, etc)

My current electrical panel is filled and I'm going to have a pool installed this year so I need to install a subpanel. (my current box doesn't support tandem breakers, etc) Because I only need more ...
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659 views

is there a difference in URD or UF #6-3 wire? should they be in conduit?

So, after some research, I decided to go with a double pole 60amp on my main panel with a #6-3 wire to feed my sub panel on a detached shed. The shed is 70 feet away. MY question is, someone said to ...
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487 views

How to bring solar panel wires inside house?

I have a pretty simple solar panel setup in the backyard which links to the charge controller to the batteries. I wanted to run wires inside the house so I can use it for smaller stuff like charging ...
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5k views

Is my electrical panel big enough for my hot tub?

I just bought a hot tub that requires a 240 volt, 50 amp dedicated circuit. My electrical panel has a rating of 100 Amps. Max. All the breaker slots are full but I am wondering if I could consolidate ...
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57 views

Running Power to detcached studio

I will be running power to detached studio that is about 50ft from my home. The studio will have 6 canned lights, 1 chandelier, 2 porch lights, and 6 receptacles. The studio will also have a 115v mini ...
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3answers
19k views

How do I know if I can run power to a garage from my breaker box?

My breaker box is a 200 amp service. There's 16 openings and only 1 blank space for a new breaker. I have a garage about 100' away from the house that I'd like to run lights and a few plugs for tools ...
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212 views

What are the clearance requirements to roof eaves for overhead service conductors?

My neighborhood is served by overhead electrical. My current service drop attaches to the side of my house; the service mast does not extend above the roof. As part of a larger remodel, the service ...
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49 views

install a pole to hold telephone line 3ft in air of the house?

I would like to install a pole/mast/pipe on side of house going above roof 3ft. It needs to hold phone line from street and maybe cable line also. Not sure what size galvenized pipe to use or an ...
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84 views

Is this main box outdated and needs upgrade?

This house is 1970's built (UK) but not sure when the electrical wiring were done. The main box looks like in the attached picture. It seems it has only fuse boxes in it... and does not have any MCB, ...
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564 views

Electric service wire size

I have to put in a new service wire I was Given service wire that was told was ok. they said it was 4/0 aluminum. I looked at the jacket and it said, 3 cdr awg 2 compact al. aluminaflex. I am putting ...
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300 views

What could cause neutral wires in my service panel to read 120V?

I have a 200 A service panel with 12 breakers. Seven of the breakers work fine. There are 5 other lines that come in. When I hook up the black wires to the breakers and turn them on I get a charged ...
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1answer
590 views

Anything wrong with this ground wire? Is it supposed to be insulated?

Panel is from the late 1970's. Looks like there was some insulation on the ground wire, but most of it has come off. It's the same way through the crawlspace.
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18 views

GE Panel Internal Screw

Would anyone have a spare internal hold down screw like this for an old GE Panel?
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63 views

Not functioning circuits in home, many Breakers reading as bad but not tripped

Having intervented power issues in areas of the house went to breaker box multiple in Mass breaker failure. No I don't think they failed they are carrying voltage only 24 volts. While others are ...
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65 views

Is it safe to connect 220v and 110v neutral lines together on the same breaker bar?

Saw my electrician split the breaker box into 2 sections. He used one side for 220V with the main switch (ON/OFF) connected to 220 supply (hot), and also connected to the Neutral breaker bar. He ...
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1answer
34 views

Two circuits combine into one old ceramic fuse panel

I have a 100 amp service in the basement. In it there are two circuits, numbers 2 (15 amp) and 5 (30 amp) that feed an old fuse box/panel on the first floor. The fuse box has 2 fuses per circuit, ...
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59 views

Circuit breaker problem

I have a circuit breaker box and when wiring two 120 breakers one will read 0 and the other will jump up to 240. What can be causing the full 240 volts from the pole to go directly into a 120 circuit ...
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39 views

120/240 home generator interlock/transfer outlet/adapter setup

So I'm wondering what sort of inlet / adapters I need to accomplish the following. Suppose I own the following generators: Honda EU2200: 2x 120V-15A (Standard home outlets) Honda EU2200 Companion: 1x ...
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1answer
34 views

Spacing between service panel and RV sub panel (both on same outdoor freestanding plywood/post)

What is the distance requirements or recommendations for spacing between the 100 amp service panel with meter to the 100 amp Rv sub panel? These will be mounted on marine plywood supported by 4x4 or ...
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53 views

The existing power supply is a large diameter 3 wire line . My new shed has a 10/3 4 wire line coming out of the breaker box. How can i hook it up

The existing supply is made up of 3 larger wires a white , black , and a green . The wires coming out of my new breaker box is a new 10/3 4 wire line a black , white , red , and a bare ground wire. On ...
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56 views

What's going on in this electric panel?

I toured a home with an inspector and found out that, while the two prong outlets have been "updated" with three prong outlets, very few in the home are grounded. I am attaching a picture of ...
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33 views

Detached Garage Subpanel to House Main Panel

Can I connect a 60 amp (8 space) subpanel from a detached garage to the house main panel that is also 60 amp? The house panel has 4 spaces available unused. The subpanel underground wiring is 4 wires (...
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25 views

Multiple light switches on single recessed light

Amateur basement remodeler here and learning as I make progress, but I had a question for all of the electrical professionals out there to see if someone can give me some pointers. So before I begin ...
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35 views

Prep for installing sub panel in attached garage

I recently built a three car garage attached to the side of my house with a slab on grade foundation. It replaced an earlier single car garage built in the 1920s that was detached and about 15' from ...
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35 views

Temporarily remove electrical panel off wall

Good evening, I am removing the wood paneling in my basement the previous owner put in due to water damage and have an issue with the electrical panel and wood board being attached to the panel. Is it ...
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60 views

How many amps electrical panel

How many amps is my electrical panel and what size solar can I add? enter image description here
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1answer
56 views

how to plug a 3 phases oven from the panel

I’m moving to an apartment and would like to plug in an oven, the agent told me it was 1 phase condo but when I look at the panel it seems to be 3 phases. Is it 1 or 3 phases? If 3 phases can I use a ...
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34 views

i have a pool heater to install the elect lists 208/240-575 vac 60hz 3 phase i have 175 ft from main panel what size sub panel and size wire to feed?

I am going to install a separate sub panel for my pool. currently have a double 60 breaker supplying power to the pool pumps and am not sure if i can upgrade the current feed to accommodate the heater ...
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89 views

All my outlets are 220-240v , one shows 130-140v. What could the problem be?

I recently wanted to use an outlet that I had rewired 5-6 years ago (along with the whole house) and all my other outlets are 220-240v, but this one shows 130-140v. What could the problem be? I intend ...
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41 views

Quad Breaker Issue

We have a new Maytag Bravo dryer. In our breaker box it is on a quad breaker (15 out and 30 in) with the bathroom and living room outlets and outside outlet. When I turn the dryer on the GFCI in the ...
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170 views

How can I reverse my breaker box cover panel ? Opens the wrong direction

I have a square D load center - HOMC12UC. You can install it with the door opening in either direction, since there are identical punchouts in the top and bottom. However, my installer wasn't ...
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198 views

Split 200 amp service

200 amp meter/service at private pole exists. Underground cable to 200 amp panel in a "shed". Underground cable between new "house" and existing "shed" exists. Entire ...
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25 views

Wiring question - 3 lights

Trying to get a really precise answer about what to do with each wire. I got some answers before but they were not specific enough and had run on sentences I could not make sense of. I am very handy, ...
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31 views

Can I split an existing sub-panel feed to feed a 2nd sub-panel?

I currently have a subpanel that is fed from my main panel with 6ga wire on a 50 amp circuit breaker. Is it OK for me to add in a junction box and split the subpanel feed so that I can feed a spa ...
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38 views

Exterior electrical panel mounting and wiring into house

What are the proper fasteners and method to mount electrical panel onto exterior of house? Also have two knockouts at bottom of panel for bringing circuits into house. What size hole is recommended ...
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41 views

How to remove cover/surrounding area of button

I want to replace the button encircled red But i don't know how to remove the cover/surrounding area Where should i insert my flat screw driver to remove the cover?
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52 views

Breaker buzzing even after replacement

Ok, so. I just built a small home for myself. I did all the wiring with the help of a friend. I just now got a solar setup, 8 months later, and am hooking it all together. I have 2 breakers one of ...
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61 views

Getting 36 volts on light circuit when switch is off

I have a new addition on house and am having an electrical issue. On one light/ceiling fan circuit....I get 120v when switch is on....36 volts when switch is off. I’ve checked for bad/leaky switch. I’...
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31 views

How do I reset the breakers after I shut it off

We turned off the main breaker being able to isolate power for one room that needed a new power switch. Now we can’t get it to reset. Outside is a small box but just contains fuses. No breaker. I’ve ...
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54 views

Grounding new branch circuits in an existing subpanel

Barn A contains the main panel. Barn B has a subpanel fed from Barn A via (3) 2-0 aluminum conductors, 2 hot and 1 neutral, with a 60amp breaker in the main panel. There is no grounding conductor ...
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76 views

Split bus panel that I dont understand

I'm trying to understand what is going on in my electrical panel. I do not have a main breaker in my panel, nor is there a separate main breaker upstream. However, it does not appear to follow what I ...
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63 views

Can a 4/0 al wire be used for the neutral conductor on 200amp service?

Upgrading my house to 200 amp service. I can get a really good deal on some 4/0 al wire, so was wondering if there would be any reason I couldn't / shouldn't use 4/0 gauge for the neutral as well.
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121 views

Voltage detector goes off for no reason

Circuit at breaker box is 30amps. Ground is free standing not connected to neutral or ground bar. The outlet is removed presently with no wires touching each other or anything else near the outlet box....
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46 views

Removing light fixture causes circuit breaker to trip

I was replacing a ceiling light fixture with a lower one. I had turned off the circuit breaker to remove the lamp and disconnect the 3 wires - black, white, and bronze. Then, I tried to turn the ...
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1answer
357 views

Separate circuit, but why is the disposal causing lights to flicker?

My garbage disposal was on the same overloaded circuit with many other items in my 1949 home. Lights would flicker when the disposal would come on. These were all on the same circuit. I recently ran ...
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460 views

Breaker to Sub-Panel keeps tripping

I have a 30 amp double-throw breaker in my main panel that feeds a sub-panel in my shop. A few weeks ago, one of the 2 circuits in the shop stopped working. Then, a few days ago, the breaker in the ...
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45 views

Can I put two 30A double pole breaker s and a few other 15A breaker s

Can I put two 30A breakers and a few 15A breaker s all in my 60A subpanel ? The pic shows the existing breakers and I want to put one more 30A and one 15 A for a laundry set. Thanks for your ...
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55 views

2 Breaker Box and wiring

I have a room addition that is wired to a different breaker box, not the main breaker box. I am putting two 20 amp breakers in because I had 12/2 wiring. Does one give power to other breaker? Or do I ...
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1answer
82 views

Proper Circuit Disconnect Size

I am concerned by the size-selection' s installation of an "80A Service-Disconnect" on a 200A uni-pak, to feed the nearly 2,200 square feet modern house with a 5 Tons HVAC central system. Very modern ...
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39 views

Home electricity power not working

I just replaced my electric panel box ; my light are working but I can’t get my dryer; washer machine or garbage disposal to power up