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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.
! W! v( `1 b d+ a* U- O# h9 a3.3 CLASS Y1 CAPACITOR – A capacitor that is connected from an accessible metal part to a nominal
" f( ], m" v5 @( A h K) _! @250 V line circuit within an appliance.
5 e7 M8 y, P$ y7 C5 c5 O8 h5 i3.4 CLASS Y2 CAPACITOR – A capacitor that is connected from an accessible metal part to a nominal. g$ J+ d* E( w( }
125 V line circuit within a double insulated appliance, or a capacitor that is connected from an8 ?3 r: I7 ^$ u: e0 J
accessible metal part to a nominal 250 V line circuit within a grounded appliance. |
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