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发表于 2014-11-22 09:33
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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:
; ^9 ?$ J$ J; c, u+ t2 kUL1647 7.2.1:
' C0 T" S: b+ |2 Z# l+ g [b) Class HB minimum for a portable, attended, intermittent duty, household appliance; or
0 {! J- E6 Y5 P3 DException No. 1: Class V-2 minimum for a polymeric material used to enclose heating elements,1 g) B0 u# C' [9 h( E5 T
including heating wire.
% ? u- M/ i& P+ uException No. 2: In lieu of the required HB flame rating for portable attended, intermittent duty,
L+ @0 a& O. S5 Z5 _$ B( n: u3 W) `household appliances, the polymeric enclosure may be subjected to the 12 mm or 20 mm/ v' u7 ~! R; m$ Y+ M( @/ y
End-Product Flame Test in accordance with UL 746C.
$ G1 }! C+ s- e* i. X" Hc) Class V-2 minimum for an appliance other than mentioned in (a) and (b).! z- E! {/ ]$ u& R0 C
Exception: In lieu of the required minimum V2 flame rating for appliances other than as specified
( B% M, @" b0 T% _in (a) and (b), the polymeric enclosure may be subjected to the 12 mm or 20 mm End-Product# t* ]& O6 _, A
Flame Test in accordance with UL 746C. |
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