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以下内容摘录自UL1414
3.2 CLASS X1 COMPONENT – A capacitor or suppressor that is connected across a line circuit.; `+ L& R. q+ a1 S, z/ G
3.3 CLASS Y1 CAPACITOR – A capacitor that is connected from an accessible metal part to a nominal
/ l: M" E6 g5 d! j250 V line circuit within an appliance.; D5 F5 ?5 r, h4 o6 J! t% s/ s
3.4 CLASS Y2 CAPACITOR – A capacitor that is connected from an accessible metal part to a nominal
- J% e) h4 v: T. z% Q, K/ y125 V line circuit within a double insulated appliance, or a capacitor that is connected from an0 U5 |/ _3 J1 h4 B5 d/ J% X
accessible metal part to a nominal 250 V line circuit within a grounded appliance. |
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