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回答楼上的问题8 l: t+ a$ O! u5 Y
1的说法基本是对的,
9 B5 w( T- `9 b# h$ @( Y定义分别如下/ o; R n1 F+ e0 A
class 0I appliance1 g1 r3 H- Y0 a7 X
appliance having at least basic insulation throughout and incorporating an earthing terminal
6 X9 _* p2 g# D% zbut having a supply cord without earthing conductor and a plug without earthing contact
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% U7 L" q% x& M1 L6 ^3 ~6 |* D8 Nclass I appliance
9 [2 \9 ]. C9 N! _- h0 z$ kappliance in which protection against electric shock does not rely on basic insulation only
, B9 N; B% L& p2 D; O! v; q9 v7 pbut which includes an additional safety precaution, in that conductive accessible parts are
, U8 A' @. y; Vconnected to the protective earthing conductor in the fixed wiring of the installation in such a7 K! R6 |& m! k( u( I- K) m
way that conductive accessible parts cannot become live in the event of a failure of the3 ?$ s8 `- u8 w, B5 L
basic insulation
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" E1 V2 d" j5 c" j$ A要注意的是,对于欧洲的家用电器只能是I类II类或III类的,对于0类和0I类的是不接受的) ]0 J3 p; m! t
1 L! h( h5 [6 ?" {8 ]1 d
这要具体看各国的配电系统和具体要求了 |
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