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: 59~FpjJ
r8F{A6i N
a) 0.5 MIU for a two-wire cord- and plug-connected unit, _y"a2M
b) 0.5 MIU for a three-wire (including grounding conductor) cord-and plug-connected portable unit, and e@yx}:]h
c) 0.75 MIU for a three-wire (including grounding conductor) cord- and plug-connected stationary or fixed unit