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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:' x' j% Y; J- ?3 ^2 j/ J4 x9 U7 A6 M. |
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." [% V: m$ S* U5 [* }& y
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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.
' B# x$ M: F& R# D& o, AA 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.
1 U' p4 p' z+ o- M" bNOTE 1 If the basic insulation of the conductor does not fulfil one of these conditions, the conductor is considered to be bare., j0 K1 Y1 o' `8 X
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.
& n9 E, ?& d: E7 \A single layer of internal wiring insulation does not provide reinforced insulation.
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0 {+ {: l$ Y W9 A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。0 i) @1 Y* D7 J/ c
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