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Home Made Fuses for a Temporary Service

jar546

CBO
Joined
Oct 16, 2009
Messages
12,994
Location
Not where I really want to be
Does anyone know the rating on these fuses?
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View attachment 2147

View attachment 2147

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for #6 CU: about 1200A for 2 seconds to arc plasma flash and molten metal spatter. Most power company transformers can deliver 35 to 50,000A on full fault failure.
 
Well it is after all a temporary power. Bare #6 in free air should handle 80 amps. #8 should go 60 amps no sweat.
 
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