在UL 8750里面有写" 8.7.1 A cord-connected unit rated for a nominal 250-V or less supply shall be tested in accordance with this section. Leakage current shall not be more than: (D{Ys'{q
z}.D"
P+
a) 0.5 MIU for a two-wire cord- and plug-connected unit, DI&MC9j(
b) 0.5 MIU for a three-wire (including grounding conductor) cord-and plug-connected portable unit, and ,fnsE^}.U
c) 0.75 MIU for a three-wire (including grounding conductor) cord- and plug-connected stationary or fixed unit