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引用标准:
$ ~2 d8 c2 e0 Q& R4 ?3.3
0 v1 J; F9 @; @+ u3 }3.3.10 ? E& \9 _" k7 T! Z: n; `
basic insulation3 U5 u h2 M( U
insulation applied to live parts to provide basic protection against electric shock
, ~/ W1 J3 | {1 t. b! }% E3.3.2
. P1 O# \& F' S9 H H5 E0 Ksupplementary insulation
$ K, y% ~6 ~: z/ U# C2 zindependent insulation applied in addition to basic insulation, in order to provide protection$ D# Y8 w8 o0 y! G$ A; D
against electric shock in the event of a failure of basic insulation
' o2 U2 W5 g# V5 d$ \. q6 h3.3.3: R' j, W% n c0 [& j; ^; r
double insulation
: e( I7 O4 f: k) t, }' ^' kinsulation system comprising both basic insulation and supplementary insulation# W$ V1 C4 b7 K5 n
3.3.4+ \0 Z, b! Y: c2 K4 r
reinforced insulation& g+ |" H- G; D! v
single insulation applied to live parts, that provides a degree of protection against electric$ K3 Q' \0 o$ m- y
shock equivalent to double insulation under the conditions specified in this standard* J0 h; F9 c3 }5 C* c5 g
NOTE It is not implied that the insulation is one homogeneous piece. The insulation may comprise several layers
6 S( O/ K% K' B; [: x! a$ Cwhich cannot be tested singly as supplementary insulation or basic insulation. |
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