What size cable, 100 amp sub panel?

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MrWhite

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Jan 13, 2025
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Niagara falls
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What size cable is used to connect a residential 100amp sub panel from an existing 100amp panel, 75 feet away?

All Breakers will be removed from the main panel and move to the new subpanel.
 
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MrWhite said:
What size cable is used to connect a residential 100amp sub panel from an existing 100amp panel, 75 feet away?

All Breakers will be removed from the main panel and move to the new subpanel.
Click to expand...
The wire size is #3 copper for a 100 amp service or 1/0 aluminum.
 
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Thread starter

M

MrWhite

DIY
Joined
Location
Niagara falls
If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
Canada
What type of forum member are you?
DIY or Homeowner (Perhaps seeking pro advice, or an electrician)

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What size cable, 100 amp sub panel?
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Electrical Forum Canada
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