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回答楼上的问题
7 h8 c: A. u6 S5 D. Z1的说法基本是对的,
/ b8 c7 @* P$ W v8 @1 s' L4 ^7 [定义分别如下9 b! i) R6 \! ~7 q( q# `
class 0I appliance7 m" h. j( t; c
appliance having at least basic insulation throughout and incorporating an earthing terminal
" _8 s% l& o# P$ u1 h0 A6 Fbut having a supply cord without earthing conductor and a plug without earthing contact+ d/ j$ @5 z- c, X+ H
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class I appliance# ~, t3 H- a- X4 ~2 k: |
appliance in which protection against electric shock does not rely on basic insulation only
- P& t7 p6 g3 R, e% ^ e, F+ Vbut which includes an additional safety precaution, in that conductive accessible parts are, e7 h2 B% X/ K$ D9 `# a
connected to the protective earthing conductor in the fixed wiring of the installation in such a
. b1 O0 u6 r) ?5 x% V2 jway that conductive accessible parts cannot become live in the event of a failure of the" [; b( L8 e6 t" b
basic insulation y& K- p4 f8 [1 j
+ D5 G4 z. `! v9 H. d O# P
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
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这要具体看各国的配电系统和具体要求了 |
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