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回答楼上的问题0 \8 u1 ~2 K, R q- ^ ^% Z
1的说法基本是对的,
8 K* R' u0 e% j+ c$ k定义分别如下
- |: @0 ]6 b! J! P( S0 Cclass 0I appliance6 ?! K9 t X s E
appliance having at least basic insulation throughout and incorporating an earthing terminal# a+ [4 U6 P+ @
but having a supply cord without earthing conductor and a plug without earthing contact* j; Y* c9 y% w5 o j
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class I appliance
+ I1 D S$ s3 x c' G9 e: wappliance in which protection against electric shock does not rely on basic insulation only
E/ h4 T- p! `7 fbut which includes an additional safety precaution, in that conductive accessible parts are) E, d/ s: _. a8 ]5 j, U5 G$ v
connected to the protective earthing conductor in the fixed wiring of the installation in such a
`0 C" x& a; }way that conductive accessible parts cannot become live in the event of a failure of the
/ j; }) J. ?8 }" B4 y3 A; Bbasic insulation
; j1 E ]- `$ W% Y$ O/ Y: y* O2 M
! I/ }5 J( C2 L# J. T! U2 H$ D0 i e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
( k( Y2 F0 H2 w* O& M4 r4 u9 Y, q, W5 U* _
这要具体看各国的配电系统和具体要求了 |
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