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What size breaker would I need to feed a new 100 amp sub
What size breaker would I need to feed a new 100 amp sub panel from a 200 amp main breaker? Also what size wire should I use to feed the new box?… read more
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Mike G.
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Vocational, Technical or Trade Scho
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In New York State, the building's 1st floor is commercial
In New York State, the building's 1st floor is commercial space, 2nd floor are residential rental apartments. there are 3 meters in basement control the 2nd floor apartment but now vacant, hooked on f… read more
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We are moving into a new warehouse and the owner said it has
We are moving into a new warehouse and the owner said it has 480 volt power supply coming in. He said it is 3 phase has "400 branches". Does that mean three 400amp branches? How many amps can I safely… read more
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What would be a few reasons that someone would need to
What would be a few reasons that someone would need to replace their transformer in their [older] home [which blows fuses easily]?… read more
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I have 200 amp 208 volt service in my woodshop. am switching
I have 200 amp 208 volt service in my woodshop. am switching from one phase to three phase machines. how do you wire the breaker panel to a subpanel in the machine shop area. have 2 inch pipe installe… read more
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I have an electrical question regarding electrical panel. I
I have an electrical question regarding electrical panel. I have an old house build around 1920s and it has the knob and tube type wiring. There's an electrical panel in the house with 6 of the plug t… read more
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I have a 200 am disconnect between my meter base and 150 amp
I have a 200 am disconnect between my meter base and 150 amp service panel. I have 4/0,4/0,2/0 aluminum service wire going to meter base and from meter base to disconnect. My problem is the 4/0,4/0,2/… read more
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Hi I have 200amp. main panel. All maxed out, no space left.
Hi I have 200amp. main panel. All maxed out, no space left. I wonder - can I by pass my main 200amp breaker, to install 150amp. subpanel for electric water heater.… read more
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Recently remodeled our basement. Have 200 amp main panel, and
Recently remodeled our basement. Have 200 amp main panel, and added a ton of new electrical circuits. So much so that I used up 37 of the 40 breaker spaces. Now my wife would like me to build a greenh… read more
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Hi I need to install a 100 amp subpanel in my house and i thought
Hi I need to install a 100 amp subpanel in my house and i thought I would upgrade the main panel to 200 amp, but PG&E told me I have underground service and so to install the 200 amp main, I would hav… read more
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Hi, I have a 100% elec house. The box has a large lever for
Hi, I have a 100% elec house. The box has a large lever for shut off but I can not find the service entrance. I called power co. They said it should say on breaker. I called an electrician. He glanced… read more
Mike G.
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I have a salon with 60amp single phase panel. The panel in
I have a salon with 60amp single phase panel. The panel in my store keeps tripping and sometimes the breaker of my panel connection to the building trips. Is this a sign of overloading?… read more
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I have a three story building and Im planning to run a line
I have a three story building and I'm planning to run a line from the basement to the attic on the outside of the house. Is conduit mandatory? If so, is PVC conduit an option? What cable options may I… read more
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I am intersted in leasing a commercial space in San Francisco.
I am intersted in leasing a commercial space in San Francisco. The electrial meters are located in the corridor. The corridor serves as a mean of egress and need to be relocated. The building has 4 un… read more
electrifier
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I just bought a house built in 1959. I am trying to find info
I just bought a house built in 1959. I am trying to find info on the service panel. It is a GE panel, no door, 24 circuits, no main breaker. the only number i can find is NP113A2834 G2. Thanks Ed… read more
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I am installing the entrance cable from the meter box to the
I am installing the entrance cable from the meter box to the breaker box (200 amp service) and was told by a licensed inspector that the modular home must have an outside disconnect installed. The out… read more
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I am currently operating a beauty salon from a 100 amp box
I am currently operating a beauty salon from a 100 amp box (strip mall building). No particular circuit breaker is tripping, however, the main breaker pops. We have to wait 5 minutes and can reset the… read more
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Rich
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Vocational, Technical or Trade Scho
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We are adding a 30 amp solar electric breaker into a panel
We are adding a 30 amp solar electric breaker into a panel with an unknown amperage rating. This is fine if it's a 125A panel but it could just as well be a 100 amp panel which would make the 30 amp b… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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