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使用Type 1015的线只能满足基本绝缘,不能够接触到次级元件,而Type 1777的线是有双重绝缘的,UL网站列有不同线材的相关参数
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Style 1777 Jacketed Cable. 9 Z' P% l \6 D q( _8 D9 I
3 j# {0 H9 L& g+ G8 yRating 80 deg C, 300 Vac, FT2 flame.
9 W; h+ ^4 U' f1 y& p2 b+ I1 ~" _Conductor 30 AWG - 16 AWG solid or stranded round, tinned or bare copper. _0 z5 E: Y- X' [; r0 R
Insulation SRPVC, 9 mils min average, 7-mil minimum at any point. 8 p: t6 q, ~ V' p ]; a: z$ {
Shield Optional. 5 J, v/ t( n! m$ C1 d2 U
Braid Optional. , G' e3 r _0 `: u8 [+ z0 b
Jacket PVC, 30 mils min average, 27 mils minimum at any point.
1 M1 X: S0 K- \Standard Appliance Wiring Material UL 758.
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