What are people installing? I can find 30ma units for equipment protection but not 5 ma personnel protection. I would like to make sure someone doesn't accidentally take 480v power if an element fails.
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480v GFCI breakers
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Make sure your equipment is grounded to the ground busbar in the panel. This is code in most places, the equipment protection breaker will trip and protect everyone. As long as your employees are wearing shoes or boots, then they will be protected as well. The electricity will follow the least restrictive path to ground, which is not through a person wearing shoes or boots when you have a nice big ground wire. Only other time for a shock potential would be if the person is working directly with the element, but if that were the case, it should be locked out.
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Originally posted by jebzter View PostMake sure your equipment is grounded to the ground busbar in the panel. This is code in most places, the equipment protection breaker will trip and protect everyone. As long as your employees are wearing shoes or boots, then they will be protected as well. The electricity will follow the least restrictive path to ground, which is not through a person wearing shoes or boots when you have a nice big ground wire. Only other time for a shock potential would be if the person is working directly with the element, but if that were the case, it should be locked out.
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