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slimthelineman
RC-Monster Aluminum
 
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Posts: 608
Join Date: Jul 2008
Location: IBEW
11.28.2008, 08:44 PM

you mean 480? that is a nasty voltage, any kind of fault and it sees it as load and dumps more amperage to the fault. i have seen a panel in a cinderblock wall that blew up on 480 and it melted the whole wall! you guys must be runnin some SERIOUS equip of that stuff. usually cnc or similar equip.
   
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