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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].

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36 views

Short conduit run from attic to exterior panel. What is the correct way to run cable?

I need to add a circuit and the my panel is outside. The easiest way to run the cable would be to run a conduit vertically from the panel and up through the soffit. Then I would properly run the cable ...
1
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1answer
46 views

Can you connect a 14 gauge electrical wire with a 12 gauge?

In the attached image, the 14 gauge wire coming from the left and into the junction box, is from a gas stove the floor above. The 12 gauge wire coming from the right is connected to the panel and is ...
2
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1answer
72 views

Do I need to upgrade my panel?

So I went to look at my father in law’s panel, and as far as I can see, they look like they’re trying to draw too much amperage from the panel. Does anything look amiss here?
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3answers
64 views

Loose Neutral or Poor Ground?

My house has a 200A main panel and receives power from a center tap transformer (240V split into 120V phases). The house consumes more than 10KW of energy. I have noticed in the past that outlets on ...
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3answers
56 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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3answers
74 views

How bad is using a 200 amp breaker box on a mobile home that only has 100 amp underground wire?

I just found out my parents breaker box is 200 amp in there mobile home but the underground electrical service line is 100 amp. The mobile home park has existed since 1979 and landlord has said ...
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1answer
832 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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1answer
26 views

Breaker connection on common neutral situation

There are 4 single pole breakers in the 220v main panel and 2 white wires on the neutral bar (I am assuming it is a common neutral situation). Two breakers have a black wire and two have a red wire. ...
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3answers
59 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 ...
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1answer
29 views

Is RC2040M150CH MSP upgradable to 200amps main circuit breaker

I have Square-D Main Service Panel RC2040M150CH. Notice the checkbox on the left for this particular model. The preinstalled circuit breaker is QOM2150VH for 150 amps; 200amps equivalent is ...
2
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1answer
31 views

One switch four lights

I ran wire from the panel box to four shop lights then to the switch. The switch only turns off the last light closest to the switch. Have I completely messed myself up or is there still a way to have ...
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4answers
556 views

Can I use #8 wire in a 15 or 20A circuit?

I have a customer with a detached garage/shed unit that wants to install a few outlets and light fixtures/recessed lighting - common residential use, meaning no heavy power tools, washers/dryers, etc. ...
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3answers
616 views

Wondering if electrician is scamming me on panel replacement

Had an electrician over to do some work. No problem with that work. While there he said my electrical panel was aluminum based and I may want to replace with copper. Later he said when he opened it ...
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1answer
69 views

How to wire main feed in a tiny house subpanel for 120v and 240v?

Initially, I'm going to be plugged into basic 120v from an outlet. However, I'll be moving in a year, and want to be able to plug into 240v if available. How to achieve this flexibility in the ...
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2answers
57 views

Off grid Solar What panel to use to distribute power to 2 locations Butte County California

Panels, Batteries and Inverter are all in the shop. Lighting, outlets, sprinkler system pump and well pump will be run off the sub panel in the garage. House isn't here yet but will have a 200 amp ...
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0answers
33 views

Just upgraded main panel, AC not working

Just upgraded my main electrical panel to 200 amp. Everything in the house is now back on except for my nest and central air. I recharged the nest and when I plugged it back in it said the rc wire is ...
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2answers
81 views

slightly confused

Separate grounding of a sub panel in a separate building should be thought about in two untalked about instances as of yet. In the case of an isolated circuit i.e. a computer or electronic designated ...
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3answers
100 views

How to extend short wires into new panel?

I replaced the panel yesterday, and as I was removing the old panel, the hot and ground wires from a damaged cable broke off. I stripped the hot and that looks good above the damage. The neutral seems ...
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0answers
66 views

Adding washer and dishwasher to existing breaker. No Dryer. Unsure if it can handle

I currently have a 3 family where I am looking to install compact washing machine and a dishwasher for all 3 floors. It is an older building. Will be going with permits. The first floor main panel is ...
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0answers
72 views

Adding sub panel, odd main panel configuration

I am in the process of adding a sub panel to a detached garage and I have the proper gauge wire connected up to the sub panel (neutral and ground NOT bonded) with 3 conductors + ground running in ...
1
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2answers
67 views

New breaker and panel: What's the brown goo where they connect?

I'll be replacing my electrical panel soon and I noticed that the new breakers and panel have a brown goo on them where they connect to one another. I'm guessing it is lubricant .. similar to what ...
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2answers
48 views

Other than unforeseen surge in draw, what can cause breaker tripping?

My house originally had a single main panel, 150A. Some years ago, I decided to split the basement apartment and the main unit. The original main panel is in the basement but I wanted the main unit to ...
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0answers
76 views

Is my electrical panel 50amps or 100amps? Also is upgrading the panel possible without rewring the house?

I have an old electrical panel in my old house and it says 100amp max written on the box. However, it has a main and sub breaker each rated for 50 amps. My inspector noted it has a disconnect rating ...
1
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1answer
67 views

Main Panel with separated neutral and ground

A customer of mine had a friend wire his basement. He did a neat job, but when I opened up the mailnpanel to add a circuit, I noticed he had installed ground bars and separated them from the neutral ...
3
votes
1answer
141 views

Swapping wires in electrical panel to move outlets to different phase of service. Is this safe?

I need two nearby outlets in my house to be on different breakers and different phases of the service. The outlets are currently each on different breakers, but each is on one of the poles of a two ...
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1answer
100 views

Yes, I'm dumb - I drilled into wall backing my electrical panel

so... I was drilling into a wall and the drill was having a hard time. I figured I just needed to keep going and I did and it finally went through. Afterwards I realized my electrical panel was ...
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0answers
17 views

Connecting an outside power inlet to a generator transfer switch

I want to install an outside power inlet receptacle (30 amp)for my portable generator, to connect to a generator transfer switch. There is a 2 1/2” conduit that runs from a vacated meter box (...
1
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0answers
50 views

What are these rubber control panel buttons called and where can I get new ones? [closed]

I've got an old-ish oven that works great and hopefully keeps going strong for many more years. The one issue is that the rubber control panel buttons are rubben out and/or bent out of shape after ...
0
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2answers
84 views

How are tandem breakers used in multi-branch circuits?

I'm in the process of replacing my breaker panel. I was talking to my neighbor and she said that her panel was changed when she did some remodeling. I was interested to see what was installed in her ...
1
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2answers
53 views

Should I isolate the ground and neutral in the 30A safety switch box or keep them bonded until the sub panel it is feeding (as service disconnect)?

I am in Michigan if that makes a difference to you. I am wiring a subpanel (QO 100-Amp Rainproof Main Lug Load Center) to my detached barn. I am feeding the subpanel from a 30A double breaker in my ...
0
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1answer
53 views

Installing new 125 amp panel in garage

I am installing a 125 amp panel in my garage. We have 360 amp service to the meter, split into two, 200 amp on for the house and the other for the garage. My question is what qauge/type cable do I ...
0
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1answer
68 views

Do I need to add a circuit breaker to the outdoor panel that powers my RV?

I purchased wooded undeveloped property and there is a box mounted on a pole with 200 amp service. The person before me tapped in to the box for his RV with 10-2 wire with the hot going directly to ...
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1answer
61 views

125amp feed from garage to house, required wire size, PLUS a separate 3-way light switch

I recently built a detached garage with its own 200amp service. I made provisions to run a 125amp circuit from the garage to an addition we are now building on the house. My questions are: What size ...
5
votes
2answers
206 views

Why does my subpanel have 4 wires feeding into the lugs?

Background: This is a sub-panel for my pool equipment (filter pump, cleaner pump, and pool light). The wires coming from the main panel come in through the bottom, and the wires going out the left ...
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votes
2answers
88 views

Can i hotwire my home with a modified extension cord?

Is it possible to hotwire your home with a double male extention cord by connecting one end to a hot plug and the other to an outlet in your home that has no power? Or more specifically connect your ...
1
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2answers
94 views

How to add a two pole 40A breaker with corner tab(s) to Challenger panel?

I'm adding a 40A breaker to my panel and I'm confused with the corner tabs. I can buy left or right tab breakers that use only one bus bar. I'm guessing the two pole 40A breaker has two tabs, one in ...
0
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1answer
65 views

Adding New Breaker / Subpanel

I am installing a 240v ductless mini split. My breaker box is full, and I have a seperate ( hot water ) breaker in its own box on its own meter. I see two ways I can approach the situation: 1) Add a ...
2
votes
3answers
59 views

Help making room on 200 amp panel for 50amp breaker

I have got a couple different opinions from electricians and they all tell me something different. One said I could make room by pigtailing and another wanted to install a sub-panel to make room. ...
1
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2answers
53 views

Can I remove/brace two studs to fit a new regular sized breaker box?

I have an old 11in wide breaker box in my condo and I'm trying to find out if I can remove the two extra studs (Red in drawing) in the wall to fit a regular 14.25in wide newer breaker box. I'm ...
1
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2answers
71 views

How can I fit more panel spaces into an 11in Width by ~15in Height by 3.75in Depth space? [closed]

I thought I found an Eaton load center panel to replace my old Challenger panel (125A, 16 circuits) but after hours of searching their documentation and talking to tech support I found out that the ...
2
votes
1answer
74 views

What's the goo on the ground cable in my breaker box?

I'm going to be replacing the breaker box in my condo and I'm looking more to the details now. I see that the main service entrance cable ground has some goo where is connected to the ground bar in ...
1
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0answers
75 views

How to repair cable at the breaker box knock out hole?

I'm getting ready to replace the breaker panel in my condo and I found some scary damage in one of the cables coming into the box from the top, just at the knock out hole (see picture). The damage ...
0
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1answer
56 views

Resistance on one pole from mains

I was measuring and checking continuity using my cheap meter at the main 125 amp breaker of my home while it was shut off. I noticed that when I set to 2M Ohms, I got a reading at about .3 on one of ...
2
votes
3answers
88 views

Ground and neutral in single bus bar?

i purchased a tiny house as an abandoned project, and the electricity was already roughed in at purchase. I'm not an electrician, but all the work on the house seems pretty sound from my research. All ...
1
vote
1answer
64 views

After accidental contact with ground wire, hot wire is dead

Was trying to install a new light switch and the ground wire came in contact with the hot wire. There was a spark, and I believe shortly after that the hot wire is no longer hot. Circuit breaker in ...
1
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4answers
58 views

240 volt 20amp outlet

I have a NEMA 6-20 240 volt 20amp single outlet. It has three wire connections on it. Two hot and one ground. There is a four conductor (including ground) romex cable coming out of the box. What is ...
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0answers
27 views

Shared Neutral for Hot and Line Side of AFCI Recepticle

Good Day I am planning a MWBC. At the start of this circuit will be an AFCI Recepticle in a Hallway. This will then Branch to Hallway Lights in one direction, and Dimmer Lights & a second ...
0
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1answer
89 views

Some odd wiring in my breaker box. Is this up to code?

I'm poking around in my breaker box and I notice a white wire screwed into the ground bus. Tracing it back, both bare and white are on the ground bus and the black is screwed into a breaker. Is this ...
1
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1answer
30 views

how to properly seal protective sleeve entering electric panel

There is a good picture of what my panel will look like at https://www.ecmweb.com/qampa/stumped-code-2 I don't want to copy their picture over here so I'll describe the situation: I'm adding electric ...
3
votes
1answer
178 views

Why is one mounting screw left behind each electrical panel's cover?

I have three electrical panels in the house and with each one, one of the face screws is under the cover as seen in the picture. So it's clearly intentional. What's the purpose of it?