All Questions
Tagged with electrical subpanel
468
questions
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Would a 50A breaker for a sub panel be enough for a tiny house?
Would a 50 amp breaker for a sub panel be enough to power up a tiny house with these features?
7 can lights
120v water heater
5 outlets
bathroom GFCI
exhaust fan
Mini-split heat exchanger
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1
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138
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Do I need to use 60 degree C ampacity rating for feeders to 60 amp subpanel?
I calculated my wire size for feeders to a 60 amp subpanel, for a pump house, based on 75C column of ampacity chart. Terminals out of main and into subpanel are both rated 75C. But then I saw ...
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How to split a 30 amp 120v circuit to allow a sub panel containing two 20 amp 120vbreakers
I have an existing 30A 120v circuit breaker in my main panel which has been used to power a computer server rack and backup battery. A 30 foot long 10 gage 3 wire (black, white and green) extension ...
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2
answers
173
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200amp (Main) Meter Panel to 200amp (sub) Panel (Siemens)
Long story short: Bought an old house and LADWP asked me to put in a new meter panel at the back of the house and convert the existing old (front) and very small panel to a sub. Both panels will be ...
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2
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1k
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Can I split 30 amp breaker with 10 g wire into a sub panel with 2 15 amp breakers and 12 g wire?
I want to run new electric to a new garage. I was hoping to have 2 lines, one for lights and 1 for outlets. What would be the best way to run this from my main panel in the house about 80ft away?
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3
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425
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Connect generator to main panel
I want to connect a generator with a 50 amp power inlet box but as you can see from the picture, there's no space to install the circuit. Am i missing something? This main panel connects to a subpanel ...
3
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2
answers
312
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Main breaker to sub panel trips
I ran 2AWG aluminum 140’ to my backyard barn through PVC conduit. I bought a cheap subpanel with seemingly positive reviews.
When I switch my 60A breaker on at my main, it immediately trips. I ...
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3
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537
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Help in understanding capacity of split bus breaker panel with sub panel
My home was built in 1978 (USA, Washington State), and has a split bus panel for the main breaker box. It also has a separate subpanel, which I'm not sure if it is original or added later.
I am a ...
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3
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786
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Adding a 50 amp sub panel 215 feet away from main panel
I have a Square D 100 amp main panel with plenty of capacity left and I am wanting to add a 50 amp outdoor sub panel that is 215 feet from the main panel. The sub panel would have only two 120 volt 25 ...
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56
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Is a 60A subpanel adequate for my needs?
I have a 200 amp service for main panel in the house. I want to add a subpanel in the barn 125 feet away, buried. I currently have a 10/2 cable going to a 20 amp panel and I keep blowing the breaker ...
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Is old subpanel wiring configuration to code?
I opened an old subpanel and this is how it is wired. The fuses are all 30 amp, tube-style fuses.
What is the purpose of connecting the two left-most lugs?
Is that intended to increase amps?
Is this ...
2
votes
1
answer
124
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Installing a subpanel with a service entry cable feed-through a Powerwall subpanel
Based on this post on installing an EV charger, I decided to research installing a sub-panel next to an existing surface mounted indoor sub (Square D HOM2040L125PRB), which is used for Powerwall ...
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1
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87
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How to install a sub panel? [closed]
How to install subpanel?
Wired 888 stranded no ground to a 125a 8 space 16 circuit sub panel ( not purchased yet) in a metal greenhouse (hoophouse). 40amp breaker from main. Total run 120'. The wiring ...
3
votes
0
answers
125
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Trying to right-size a critical loads subpanel
I'm installing solar and would like to set up a critical loads subpanel that is fed by both the solar and my main panel. The microinvters in the kit are Enphase IQ8+. I'd like to run a few circuits ...
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2
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173
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Ground bus for sub panel?
I am replacing an old fuse box in our (detached) garage with a modern breaker panel. What I've discovered is that the breaker boxes I can get from Home Depot have a neutral bus in them, but no ground ...