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标题: 求助“SJTW及以上线”这句话包含SPT-2W线吗? [打印本页]

作者: gmr24185    时间: 2012-12-12 11:05
标题: 求助“SJTW及以上线”这句话包含SPT-2W线吗?
新手请教:
/ @) [5 ~. t' @/ v9 q/ V0 @产品是户外灯具,标准说,如果要在户外使用,电源线要是SJTW及以上线,请这句话包含SPT-2W线吗?5 s2 }) y; ]$ o5 a
请问SPT-1,SPT-2,SVT和 SJT这些线有高低等级之分吗?SJTW及以上线有哪些线?$ J& _/ i0 p4 |$ g, f0 c0 k
SPT-2和SJT线使用的区别在哪?7 I& N- P! L% O$ I6 Z3 t
谢谢, s* Y% V4 ]  H/ T7 e

作者: 依然    时间: 2012-12-12 11:19
SJT是hard usage ,SPT是No hard usage,SJT的绝缘皮要比SPT的厚。
作者: jsspace    时间: 2012-12-12 12:00
依然 发表于 2012-12-12 11:19 6 r, o+ {; T" d9 z6 a
SJT是hard usage ,SPT是No hard usage,SJT的绝缘皮要比SPT的厚。
. d8 W. g9 E2 K, i( ?' q

* B% p% a1 D7 f+ R3 j1 Z我想了解一下,hard usage 和 no hard usage分别是指怎样的使用场所?
作者: gmr24185    时间: 2012-12-12 13:18
依然 发表于 2012-12-12 11:19 & P; S( F, F6 B1 j5 E! e
SJT是hard usage ,SPT是No hard usage,SJT的绝缘皮要比SPT的厚。

; c+ }0 y# P5 S- ]: n- w0 q那我这里SPT-2w线能用吗?
作者: 依然    时间: 2012-12-12 17:24
参考UL62中的定义:" }8 c8 J" ^" X/ a# j, `4 O
Not-for-hard-usage cord – a cord intended for use with light equipment, classified as the lowest grade
# c+ V8 I+ H4 Q! B6 Tin mechanical serviceability.
% ^7 U% C# L2 C' ]Hard-usage cord – a cord intended for use with moderately heavy equipment and for hand-held
+ ?! J" P8 O4 q5 I' Y/ \appliances and tools, classified as the medium grade in mechanical serviceability.
. U% H' e0 o: A4 q  V+ VExtra-hard-usage cord – a cord intended for use with heavy equipment and for hand-held appliances
3 z: L8 X. z  I! |* |: `and tools, classified as the highest grade in mechanical serviceability.
作者: 依然    时间: 2012-12-12 17:24
gmr24185 发表于 2012-12-12 13:18
$ R/ d  W" F* R# k5 G那我这里SPT-2w线能用吗?
! B! }: W& Q. d
SPT-2W不能
作者: gmr24185    时间: 2012-12-12 17:43
依然 发表于 2012-12-12 17:24
7 q* }+ ]: P* ~3 s参考UL62中的定义:
" |# v0 J7 p  X  {, B) zNot-for-hard-usage cord – a cord intended for use with light equipment, classif ...

1 {2 n% o& W$ E4 G7 z6 R/ W. L版主威武,谢谢赐教




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