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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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