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引用第0楼T-OM于2007-07-09 11:56发表的 UL极性(即大小脚) :
* ^) u$ c7 x3 \/ A各位好!请教大家一个问题,适配器外壳UL极性插脚(即大小脚)有没有标准规定如何放置.盼复.先谢过了!! $ t7 b% d3 }9 p$ w6 ^ h/ g
UL153如是說:2 [: _2 c" A7 n) Y& h/ b8 N
32 Attachment Plugs! L( f0 I( M# U X! \- [
32.1 A portable luminaire shall be provided with a polarized attachment plug of the 2-wire, parallel-blade) j3 h {6 S3 l
or a 3-wire grounded type and see Figure 32.1. The plug shall be of a 15 ampere, 125 volt configuration
% a1 V* {( ^- @0 S/ K$ a! p- ?(NEMA Style Nos. 1-15 P and 5-15P) and shall comply with the requirements in the Standard for/ ]( Q+ T! P m/ y9 @. |. D
Attachment Plugs and Receptacles, UL 498 and/or the Standard for Cord Sets and Power-Supply Cords, t6 N" k0 [9 j; M% G1 K# J
UL 817. |
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