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板凳
楼主 |
发表于 2014-11-22 09:33
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只看该作者
电源看了报告已经确定是可以的,有LPS 且是UL+CUL认证的,现在的问题是 电动按摩器具外壳是HB的,但产品是连续性工作的,不想换材料,可否有豁免???熟悉的大哥能否给点参考,标准原文如下:
6 F$ X9 N' D1 W" O# R6 \6 Z; F5 T6 @UL1647 7.2.1:
9 o% ]. ?/ p' J8 Yb) Class HB minimum for a portable, attended, intermittent duty, household appliance; or
/ B" I3 h0 l- ?& Z2 M+ nException No. 1: Class V-2 minimum for a polymeric material used to enclose heating elements,
0 C5 U9 ]4 H9 D% n3 nincluding heating wire.. k: U: T$ S) ]% @
Exception No. 2: In lieu of the required HB flame rating for portable attended, intermittent duty,
$ i# R8 K/ W" p# B. W, ~household appliances, the polymeric enclosure may be subjected to the 12 mm or 20 mm
; t; D3 `0 l. r! p- k* `+ j5 lEnd-Product Flame Test in accordance with UL 746C.2 ]! S4 b* O1 q; }2 i6 I
c) Class V-2 minimum for an appliance other than mentioned in (a) and (b).! [ Q- L3 i* u7 M4 h) K
Exception: In lieu of the required minimum V2 flame rating for appliances other than as specified5 H0 I5 l. w# j8 e9 b. x
in (a) and (b), the polymeric enclosure may be subjected to the 12 mm or 20 mm End-Product
7 K3 f4 ?: }, k" d4 x2 {8 ~& NFlame Test in accordance with UL 746C. |
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