Is GFI required under UL 2161?
All units, regardless of voltage, should be UL2161 Listed as of September 2000. Units over 6,000 volts need ground fault protection to be UL2161 Listed.
All units, regardless of voltage, should be UL2161 Listed as of September 2000. Units over 6,000 volts need ground fault protection to be UL2161 Listed.
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