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你再往下找下关于barrier,其实就能找到了,HB当然是可以的,内部防水盒,如果有水,还要塑料f1。其它要求,你看条款吧。
" d2 r8 Z4 m0 |5.4.1 A barrier shall be constructed of one of the following:3 O; H0 ], j+ d6 P9 o
e) a polymeric material that complies with Clause 5.7.1.7
* D- Y5 x, M+ r: f3 c) o* k5.7.1.7 A polymeric material used as a barrier shall:
. W8 w* p r( }6 Oa) have a minimum HB flammability rating or comply with the horizontal burning flame test of
3 J' n/ |/ N: iClause 17.25;
0 X. l# _1 s j8 G Qb) have a temperature rating equal to or greater than its maximum operating temperature in the
* v. C9 ?% r% ?luminaire;
# \: `+ f& r4 V0 G1 U/ O+ Vc) for molded or formed thermoplastic parts, comply with the mold stress-relief test of Clause
1 y0 h0 z) y! @ H17.4; and
* S/ S* l- ]. \: L: Y, B: A, Td) comply with the barrier strength test of Clause 17.1. |
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