Proper Fuse Size?
Proper Fuse Size?
(OP)
Can someone tell me/or point me to a web site that I can get information on figureing out the proper size fuse for engine block heaters like those used on emergency generators.
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RE: Proper Fuse Size?
A typical 5kW heater might be rated 240 volts. 5000/240 = 20.8A. For NEC areas, 20.8 x 1.25 = 26.0, so you would need 30A fuses.