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For questions generally relating to safety devices used to automatically stop the flow of electric current in the event of a fault condition. Use this tag for questions about fuses, too.

8 votes
7 answers
28k views

4 awg wire too large for circuit breakers

I need to run a long circuit out to a stock tank heater in a pasture. This is a 120V, 20 Amp line. Due to length, 4 AWG is called for to hold voltage drop within 3%. The panel where the circuit will …
Brad Smith's user avatar
1 vote

4 awg wire too large for circuit breakers

Thanks to everyone for your comments and help. For those of you who might not be aware of what I was referring to please see, for example, this drain plug heater which screws into the drain plug of a …
Brad Smith's user avatar