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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:
5 ~4 e8 _' n8 I' \' tUL1647 7.2.1: % c+ H% C5 |/ e6 g* T; ]
b) Class HB minimum for a portable, attended, intermittent duty, household appliance; or+ [# Z4 t: T3 X
Exception No. 1: Class V-2 minimum for a polymeric material used to enclose heating elements,
4 o" K/ R# q6 _" r& eincluding heating wire.
u$ d7 x2 z" }" {/ z6 X- MException No. 2: In lieu of the required HB flame rating for portable attended, intermittent duty,
; a+ V7 E% p* v. L* X1 Ahousehold appliances, the polymeric enclosure may be subjected to the 12 mm or 20 mm* L6 b- W" N4 q' F# u' C1 I# X
End-Product Flame Test in accordance with UL 746C. D& W& J; O! a/ W% L
c) Class V-2 minimum for an appliance other than mentioned in (a) and (b)./ R" e. ~/ ]; `$ ~2 x: x+ {; v
Exception: In lieu of the required minimum V2 flame rating for appliances other than as specified
4 d3 |# y, A/ Ain (a) and (b), the polymeric enclosure may be subjected to the 12 mm or 20 mm End-Product
2 m& t2 i. x5 P1 A: M0 r- [$ h2 hFlame Test in accordance with UL 746C. |
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