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引用第3楼gzm-happy于2008-03-21 12:52发表的 :
: N; s3 p6 X# k; y% a4 O5 }, K7 I3 C能否具体些,标准上好像找不到,谢谢 1.2.16
9 A5 E3 Z$ L% U& W% J' P+ Q1 sbasic insulation& @$ f7 j6 b( p1 S
insulation applied to live parts to provide basic protection against electric shock.1 j" x- X9 `, j* J. |2 E. p
NOTE Basic insulation does not necessarily include insulation used exclusively for functional purposes.
+ u# h- V+ W3 V6 s U* e I1.2.17
" r0 L) F3 }1 X; g1 ?supplementary insulation
! p/ Y/ @* M6 [ I" [independent insulation applied in addition to basic insulation in order to provide protection
4 d" k$ k' E+ O6 f' }9 t* |& Kagainst electric shock in the event of a failure of basic insulation.% G/ R, }+ W" V# \! y2 q/ l5 P6 {
1.2.18" C- O" T; Y; A" x. y+ T
double insulation0 O3 a$ S& l, ?
insulation comprising both basic insulation and supplementary insulation.( l0 o$ r1 ^5 ] g2 p
1.2.19
- Z8 y5 J8 G; }reinforced insulation7 @; ?" v) w0 Q) K5 x
single insulation system applied to live parts, which provides a degree of protection against9 v0 i. o7 |# x7 M+ ~3 e
electric shock equivalent to double insulation. |
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