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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:
6 |& b/ ~/ k0 Z2 Y$ C2 b! ?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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The 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.: p; |% I$ t1 B+ D9 L# P/ |+ ?/ W
A 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.
, e- W( J1 w8 l' q- _/ ZNOTE 1 If the basic insulation of the conductor does not fulfil one of these conditions, the conductor is considered to be bare.: t/ j' A" _: {% w
NOTE 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.
: v9 Q; T. e- @' Z6 CA single layer of internal wiring insulation does not provide reinforced insulation.% I) L" {9 b9 T
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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。
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