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根据60335最新版标准条款23.5最后一句, 单层内部线绝缘不提供加强绝缘:( C" R n. t8 C& i4 _ k7 ]8 [
23.5 The insulation of internal wiring that is subjected to the supply mains voltage shall withstand the electrical stress likely to occur in normal use.
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" w$ f2 d I- P! P5 B4 WThe basic insulation shall be electrically equivalent to the basic insulation of cords complying with IEC 60227 or IEC 60245 or comply with the following electric strength test.
0 J* [, K2 E. V2 r; [8 D( o" oA voltage of 2 000 V is applied for 15 min between the conductor and metal foil wrapped around the insulation. There shall be no breakdown.# D0 s# e! e( s z
NOTE 1 If the basic insulation of the conductor does not fulfil one of these conditions, the conductor is considered to be bare.
; A/ z3 S3 v. L7 [( ENOTE 2 For class II construction, the requirements for supplementary insulation and reinforced insulation apply except that the sheath of a cord complying with IEC 60227 or IEC 60245 may provide supplementary insulation.
) e# O4 F" w. ~" B! VA single layer of internal wiring insulation does not provide reinforced insulation.
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' @$ D( a9 z3 G$ `$ i& ]假如单层内部线绝缘的厚度达到了2mm, 也不可以当加强绝缘吗?表示极度疑惑。9 t5 D" @; |0 M3 h' S
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