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引用标准:- c- d2 v( `4 j
3.3
1 e3 q* \$ z' x3.3.1
" a- a- w5 P+ Q# Obasic insulation) ^9 O/ X' G, k: ~1 M0 E
insulation applied to live parts to provide basic protection against electric shock! K. ]8 S4 r# s
3.3.2
8 Q$ j; C' F! C1 S- B9 p+ D9 csupplementary insulation4 f# l7 Z& Y' Y
independent insulation applied in addition to basic insulation, in order to provide protection
/ L& [0 K- u0 f, Eagainst electric shock in the event of a failure of basic insulation8 y- m. m+ S t. h( @# G9 `" l
3.3.3
- V6 h/ {0 B3 F9 S* \double insulation. Y( ?" I2 l" T, }# r4 v' e8 R
insulation system comprising both basic insulation and supplementary insulation
+ L% T, q z# N* w, Y/ o' K3.3.4
. p0 X6 o. u: B: M4 R c3 Z, {reinforced insulation
1 G1 q% y4 k5 c$ L' isingle insulation applied to live parts, that provides a degree of protection against electric
, m6 {! S3 F) Ishock equivalent to double insulation under the conditions specified in this standard
! X" J( m! x4 i) W% XNOTE It is not implied that the insulation is one homogeneous piece. The insulation may comprise several layers
6 [$ O! j4 e, }; Ywhich cannot be tested singly as supplementary insulation or basic insulation. |
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