Questions tagged [service]

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Hello, I want to add a 100 amp panel for multiple RV services

I want to add a panel for 2 RV plugs at 50 amps each and have 4 110volt plugs. I like doing things myself so I know what is going on, on my own property. I know I'll have to have it inspected by an ...
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33 views

How do I compute how much electric service to provision?

Generic question here. I won't self-answer. Suppose I am adding significant new loads to an existing house - say, a 50A hot tub and a 50A RV receptacle. Those are big loads for a modest gas home. ...
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2answers
82 views

IBT and whole house transfer switch

The inter-system bonding termination (IBT) is where other services like telephone and cable TV get their ground bonds from the house's grounding electrode system (ground rods). 2014 NEC (NJ) 250.94 ...
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103 views

How should I get the service entrance cable to my new adjacent panel location?

How do I have to run the SER cables from the original hole(where the SER cable goes through the wall) to the side of the new panel? Can SER cable be exposed or needs to be inside a conduit? Conduit ...
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1answer
36 views

Power outlets near service entrance

I want to install a 50 amp circuit breaker in the service entrance box and put the 4 wire 220 outlet for my welder right below the service entrance. I will be using a 50 ft extension to reach my ...
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1answer
72 views

Wiring a new shop advice

I am having a new shop built on Friday.The shop is located 250 feet from my power meter. For a 240 volt 100 amp service in the shop, the online calculator says I need 2/0 AWG Aluminum or 1AWG copper....
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198 views

What does NEC require for strapping down conduit and wire here?

Below is a picture of the current conduit and wire setup for my new underground service into my house with generator automatic transfer switch and manual transfer switch to allow me to switch to an ...
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49 views

Weird electrical problem just started

Rv pole with 200 amp outside box. One 30 amp breaker. Ran new wire underground (mobile home type) to small house building in progress. All sockets and lights worked fine up to 2 weeks ago. One ...
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2answers
172 views

What type and size conduit should I use for my service entrance cable?

I am running my aluminum service entrance cable from the main panel to a sub panel in my garage. It runs from the garage under the house then out the wall, makes a 90 degree turn to go into my side of ...