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Old 06-04-2010, 12:40 PM   #1
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Wire gauge


What gauge wire and circuit breaker is needed for 20 kw heater?
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Old 06-04-2010, 01:23 PM   #2
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Quote:
Originally Posted by keithkyger View Post
What gauge wire and circuit breaker is needed for 20 kw heater?
This question is far too vague to answer accurately.

Assuming single phase 240v, THHN conductors in conduit and a reasonable distance, you would need #2CU and a 110A breaker.
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