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内置灯里的就用绝缘等级来分." s& R2 Q8 w) l6 B- C1 t+ T- r
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basic insulation
# e. F5 N6 ]$ F0 G" ` j6 Vinsulation applied to live parts to provide basic protection against electric shock
0 c0 i5 M! {2 A' xI.2.5
' L2 r! h) {" c. |( i' P5 N* Csupplementary insulation/ x. ?1 F% ^- ^4 x/ t
independent insulation applied in addition to basic insulation in order to provide protection( [' |) L L$ O; y5 _6 ]
against electric shock in the event of a failure of basic insulation
& s5 k i8 E5 B9 ^, e, hI.2.6
. ]) o: x& o# G- A8 I- ~2 u. @double insulation) v. U$ f& N# v, Y# h/ D: l; I
insulation comprising both basic insulation and supplementary insulation; j c9 `" l. `% }: ?
I.2.7$ \- ^$ O' O' o9 d0 r8 r2 I- M2 |( S
reinforced insulation
$ {4 v. L6 L# R- m0 ]3 a/ h, usingle insulation system applied to live parts, which provides a degree of protection against: `* [6 u G0 f+ D
electric shock equivalent to double insulation |
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