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引用标准:/ n: {1 h# P9 c
3.3. T w. E5 v: f4 _# }! N( z* |, U
3.3.1
) @' [: c/ z* a/ {6 {basic insulation
+ m& W. [7 S8 finsulation applied to live parts to provide basic protection against electric shock" {+ m, [* q* V7 n
3.3.2
3 m8 c% ?! M4 f* e* v/ Fsupplementary insulation
B' p3 ]" K& S, R& D! n+ aindependent insulation applied in addition to basic insulation, in order to provide protection. C8 y) J, f, B4 L
against electric shock in the event of a failure of basic insulation
# Q. X/ }/ B4 K+ z' G3.3.3
! ~! I* B9 R" x3 O' S! G; _double insulation
( c2 G! l4 z6 q B1 I9 g3 j) b3 c5 kinsulation system comprising both basic insulation and supplementary insulation
' J8 S4 o% Y8 m! A5 D+ w( u) b4 t. m3.3.4
% d2 H% M0 T5 Lreinforced insulation
5 d% T0 ]* a8 W f. Z+ V3 esingle insulation applied to live parts, that provides a degree of protection against electric
+ L, p) E; ~# f/ g! K/ kshock equivalent to double insulation under the conditions specified in this standard; L2 |7 |2 K& c% u4 x1 B
NOTE It is not implied that the insulation is one homogeneous piece. The insulation may comprise several layers
( \/ `/ u* h% c: u. Vwhich cannot be tested singly as supplementary insulation or basic insulation. |
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