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].
2,400
questions
4
votes
1
answer
626
views
Do I have to run the #4 bare copper ground wire continuous with out a break in the wire from the new 200amp outside meter/main panel combo to the 2 g
Continued from question, do I have to go from meter/main combo to the 2 ground rods ,then back inside connect to outside part of my copper water line,then back to the existing 100amp main breaker box, ...
- 41
0
votes
1
answer
40
views
How do I insulate this space with the electrical panel and fill in the space below?
We get a lot of cold air coming in from the area where the electrical panel is situated, in addition to the space below it.
I'd like to insulate and seal this better so this is not the case, but I'm ...
- 1
0
votes
3
answers
44
views
I am wiring a 240V heater that will draw 30Amps max
The heater will be hard-wired and hung from the ceiling. Is 10g wire ok, and do I use a double 30A breaker or does the current split and do I use a double 15A?
- 1
0
votes
3
answers
112
views
Can I use a main breaker as an “occasional” disconnect switch?
I had a 100A service (MSP) with a 100A sub panel. I do not know the feeder size to the subpanel but it supports 100A but definitely not 200A.
Last year, the service (and MSP) got upgraded to 200A. The ...
- 676
1
vote
2
answers
96
views
Feeding Electric to outbuilding
I recently built a 30x50 shop with a small living area built out inside of it. Now I need to feed power to it.
I have a main 200amp feed through panel just below the meter. It's a Siemens ...
- 11
1
vote
1
answer
48
views
Three unit apartment looking to have washer/dryer switch with "device" to tenants electric [closed]
Looking to see if there's a way or device that would allow a tenant to switch the washer/dryer that's in a common area to their electric breaker.
This is for a three-unit that we are rebuilding and ...
- 11
1
vote
2
answers
75
views
Can I use a 200A main circuit breaker panel as a 100A subpanel?
Short version:
Can I use a 200A MCB panel as a 100A subpanel? Can I leave the 200A large-format breaker in the subpanel, or would I have to remove the 200A breaker and convert it to a MLO (obviously, ...
- 889
0
votes
0
answers
81
views
Utility meter is on but no power to main breaker on panel [closed]
So…
The utility meter is showing that’s it’s on but there’s no power on the line side of the main breaker which is the load side on meter socket. The whole house went dark but nothing was tripped I ...
1
vote
1
answer
102
views
How does arcing in an electrical panel cause fires? [closed]
I had a sub-panel with a loose neutral wire that caused substantial arcing between the wire and bus bar. Arcing generates a staggering amount of heat (thousands of degrees in either F or C) and in ...
- 850
0
votes
1
answer
20
views
Water overflow control system
I want to connect simple floating overflow control switch with a heavy duty relay duty to heavy motor, direct simple footing burn out on heavy load, with type of relay will be suitable?
0
votes
0
answers
47
views
Low voltage at receptical!
I have only 1 receptacle being designated to 1 individual breaker, so when I shut the main breaker off I only lose power in that one receptacle in the entire house.
When the main breaker is turned ...
- 1
0
votes
2
answers
58
views
Can I add a 60 AMP EV circuit to an existing 200 AMP service?
I've noticed similar questions on here but can't help asking my question anyway (thanks for your patience).
I've got a 200-AMP Service from the power company. Breakdown of breakers looks like this:
[...
- 8,043
1
vote
1
answer
65
views
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
0
votes
1
answer
71
views
Garage heater wiring
I am getting a garage heater(240v 30a) it is suggested that it is hardwired to the panel. I was wondering if I am able to use the dryer outlet that is in my garage it is rated the same(240v 30)(...
2
votes
1
answer
126
views
Can I use a 6AWG ground wire for a 100A feeder that has a section SER 1-1-1-3 and a section THHN?
I'm running a feeder to a 100A sub-panel. The total run is about 90 feet. 60 feet is in an attic, and I'm planning to use Aluminum SER 1-1-1-3, the other 30 feet is through a 1.5" PVC conduit on ...
- 539
0
votes
2
answers
82
views
Was my inverter damaged during testing?
Can a Sun Gold, model LFPV10KW, solar inverter be damaged if one or both of these things are done:
the inverter's terminals are shorted together while attaching the 220amp battery to the inverter. ...
- 11
0
votes
0
answers
31
views
Connecting a 90 Degree PVC Sweep to a Main Panel
Can I glue a male threaded fitting to the end of a 90 degree PVC sweep, and use that to route conductors through the side of my main panel? I don't know if I have seen that, usually it's LB conduit ...
- 151
0
votes
2
answers
104
views
Why can't I find a plug for inside a breaker box
I'm doing some work with power tools at a location nearish to the breaker box, but pretty far from any outlets. I'm guessing I haven't found a fused breaker-box outlet because they aren't made because ...
- 171
0
votes
1
answer
61
views
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 ...
- 147
4
votes
1
answer
822
views
Consolidation of many circuits from breaker panel using nearby junction box
I am combining a bunch of underutilized circuits, pulling them out of the breaker panel into an 8x6x4 junction box above it where I will combine about 10 cables into 3 circuits fed to the breaker ...
- 34.3k
0
votes
1
answer
50
views
What conduits/nipples/bushings do I need to connect a 400a meter base to dual disconnects to dual 200a panels?
Lots of info on configuration can be found here: 400 amp meter base to dual disconnects to dual 200 amp panels. What wire?
There's a 3" conduit feeding underground service to the Meter base. It's ...
- 325
0
votes
0
answers
67
views
400 amp meter base to dual disconnects to dual 200 amp panels. What wire?
AHJ: WA State L&I. POCO: Mason County PUD #1
I'm feeding two 200 Amp panels from a 400 Amp (320 class) meter base. I've seen the Siemens combo, but our POCO requirements mean it can't be used. ...
- 325
0
votes
1
answer
35
views
applying duct seal inside electrical pvc conduit
I am installing an ev car charger in my attached garage and running pvc conduit from my main panel in the basement through the wall into the garage. What is the recommendation for using duct seal ...
- 11
0
votes
1
answer
41
views
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 ...
0
votes
0
answers
24
views
Building cupboard around corner-flush consumer unit
I have a consumer unit that is right in the corner next to my front door and I'm wanting to make the space a bit more useable for storage etc. The consumer unit is in its own metal enclosure so is ...
- 440
0
votes
1
answer
46
views
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
0
votes
1
answer
70
views
Can I safely remove the handle tie from a 2-pole breaker?
The 15 amp thin GE series 2 pole breaker comes with a handle tie.
Can I remove this so that they can trip independently rather than shutting down 2 independent circuits?
- 1
0
votes
3
answers
151
views
How to Split 240v 50A circuit into 2x 120V circuits
I have a 240v 50amp service circuit and I would like to split it into 2x 120v circuits, something like the image below.
How would I do that, junction box of some sort? And specifically, how would I &...
1
vote
1
answer
78
views
Max *possible* breaker height
I'm hanging a subpanel in my garage. The feeder is coming in from the bottom. If I mount the panel right side up, the topmost breaker slot is well below the 6'7" max-from-floor NEC requirement. ...
- 113
0
votes
1
answer
53
views
Can I put four outlets on each of two 20A circuits in my garage? [duplicate]
I turned my garage into a woodworking shop. I currently have a single 20a circuit in the garage and I want to add more using the same 3/4 EMT conduit. I've installed 240a circuit so I feel comfortable ...
- 345
4
votes
2
answers
121
views
240V Four Prong Outlet - Inconsistent Behavior
An odd issue arose with my dryer outlet, and I am more concerned than initially. Below are the chain of events:
Dryer:
Samsung dryer spun, but did not heat
Replaced heating element
Plugged in, did ...
- 41
0
votes
1
answer
51
views
Panel Ground Wire Routing
The space between the right side of the panel box and the grounding bar is only 1/2" making getting the wires in and out a bit tight. But running it in between the neutral And ground bars there ...
- 195
4
votes
2
answers
868
views
Can a breaker for a sub-panel be located at the bottom of the main panel?
I will be installing a sub panel with a 100A coming off my main panel which is a standard 200A panel. Is it fine to put that 100A breaker at the bottom of the panel or should I move everything down 2 ...
- 317
0
votes
0
answers
34
views
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 ...
- 1
2
votes
0
answers
86
views
How can I add a neutral to my subpanel?
I have a 60a subpanel on the side of my house for the pool equipment. There are only two conductors and a ground. Originally the only things that were probably connected were the pool pump and heater, ...
- 21
1
vote
1
answer
64
views
Can I use grey PVC to go from breaker panel to underground run to hot tub?
I want to run grey PVC schedule 40 conduit down the wall from my breaker panel outside and through an 18 inch deep trench back to my hot tub. I'll terminate the conduit at a Cantex box at ground level ...
- 11
0
votes
3
answers
119
views
Can I safely add a 50A EV charge circuit breaker to a 90A panel?
I have a sub panel mounted next to my main panel that is supplied with a 90amp breaker. I would like to add a 50 amp breaker to handle a 14-50 plug for an EV charger.
My question is can the sub panel ...
2
votes
1
answer
75
views
Surface mounted PVC pull box below main panel
So, I was going to just make a few comments to clarify things as requested but “it” suggested instead that I edit my original question. Since this is my first post on this “exceedingly invaluable to ...
- 21
0
votes
1
answer
64
views
Connecting 4/0 feed wires to a 200A Challenger Main Panel: Can I use these lugs?
I have two 200 Amp Challenger Main panels in my garage. I am running 255ft of AL wire (4/0 4/0 4/0 2/0) through an underground conduit to a new 200 Amp Square D Homeline subpanel in an outbuilding.
...
- 31
3
votes
1
answer
448
views
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
votes
0
answers
37
views
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 ...
- 1,045
0
votes
2
answers
134
views
Existing service panel has grounds on neutral bus and neutrals tied to grounding lug!
Opened this panel which serves a well pump on my property and was surprised to find the grounds bolted to the neutral bus bar, and the neutrals wired together to the grounding lug. I am pretty sure ...
- 1
3
votes
2
answers
222
views
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 ...
- 33
0
votes
3
answers
152
views
Do all circuit breakers move to the offset position when they shut off the circuit?
I was running the vacuum cleaner in my bed room this morning and suddenly the outlet went dead. I went to the power box and saw that all the circuit breakers were on. I then turned off the circuit ...
- 353
0
votes
1
answer
72
views
Electrical Upgraded Wiring to Detached Garage? Future Proofing
I'm having a new power line run out to a detached garage that is about 50 feet from the main house and another 25 feet to the box inside to the main panel, so a total run of about 75 feet. Currently I ...
- 335
0
votes
0
answers
77
views
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: ...
- 101
0
votes
1
answer
92
views
Why circuit breaker trips randomly?
Have a finished bedroom in basement which has its own circuit breaker (15 amp).
There are 3 recessed light and 6 outlets in the room.
Each recessed light has max 9 watt capacity.
I double checked ...
- 604
0
votes
1
answer
66
views
Correct way to secure SER cable?
I am running 250-250-250-3/0 SER from an outside disconnect to an indoor breaker panel and want to make sure I am properly securing the cable where it enters each box. The problem that I am running ...
- 11
0
votes
1
answer
72
views
How can I replace the buss in my breaker panel? [closed]
Would like to replace the interior bussbar assembly for a Siemens G2040MB1200 loadcenter. Loadcenter is full and the back box is in a finished wall so replacing interior buss assembly is the desired ...
- 1
1
vote
0
answers
36
views
questions for old 3 wire feed to detached garage subpanel with disconnect added
i am looking for confirmation than an older garage subpanel feed was correctly wired to meet an older code and is not unsafe.
there is a 3 wire feeder from the house service in underground pvc conduit....
- 11