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引用标准:
- {) W. F* Y l9 L3 Y* X& B& a8 Y* t3.3, G! x' ~$ X+ o7 b
3.3.1
4 ^* H! F z, i4 A- c& l4 Tbasic insulation
5 M# D9 s1 A) h# P) V2 Minsulation applied to live parts to provide basic protection against electric shock
6 n$ T' X2 e6 Y( q; P& W3.3.2
/ U, K1 L! z& T# C9 c( w" ?1 o6 Wsupplementary insulation0 \: ^& X) P' k' ^
independent insulation applied in addition to basic insulation, in order to provide protection/ h5 `% g, @+ _4 g' x ]
against electric shock in the event of a failure of basic insulation
0 B) ?8 G' @& l% h+ H( K3 W3.3.3& |4 @8 y& k, a8 x& E9 T) v. ^
double insulation
9 F* B- p4 j9 _, x7 L% sinsulation system comprising both basic insulation and supplementary insulation
7 S# @$ @1 C# }( o% Y3.3.4
; R) f' z' R6 x5 {5 r2 {, nreinforced insulation
& s- f9 r1 K9 {5 h' L* }. usingle insulation applied to live parts, that provides a degree of protection against electric
3 @$ K1 ^; p% F! @2 E, ?shock equivalent to double insulation under the conditions specified in this standard; L! M0 v, }% V% f5 z9 U2 X% u5 \
NOTE It is not implied that the insulation is one homogeneous piece. The insulation may comprise several layers
7 U" d% |) \% U+ e! ~& k$ E/ Bwhich cannot be tested singly as supplementary insulation or basic insulation. |
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