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Question:

How is the diameter of copper wire that handles 478amps?

also what would be the diameter of it if it was aluminum? also how much would the copper and aluminum wire be per foot? thank you!

Answer:

confident to a minimum of the 1st area of the question. Having the pipes insulated will cut back warmth loss to different factors of the residing house the place warmth isn't being asked. although, the lack of ability of warmth throughout the time of the pipes isn't completely wasted. that's keeping the basement heat. That warmth in turn warms the floor above, and from there the the remainder of the residing house. it may be radiant warmth from the furnace itself or yet another subject on your heating gadget that's inflicting the basement to be excessivey heat. verify the operation of the zone valves to the basement, see if those heaters are compelled on comprehensive time.
when water freezes it expands with enough force to split copper pipe, no the pipes do not have to be full.
My first thought, your copper pipe froze. Water when it freezes expands, a pipe that is full or almost full of water when exposed to freezing temp will expand and burst, or split. The cheapest way to cure this problem is to leave you water run a small stream during real cold weather. Also the hot water line will freeze and burst before the cold water side.
500 amps is more than even Copper 0000 wire can handle, so you are into bus bars. Aluminum wire can handle even less. How long is this run? you might be able to use two 0000 wires in parallel. But if this is for power wiring, you need to consult your local wiring codes and get a registered electrician to help. .

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