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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。, `% f. @( u( C) I
5.4.1 A barrier shall be constructed of one of the following:5 V1 k7 g( ~6 S5 z8 Y, W
e) a polymeric material that complies with Clause 5.7.1.7
6 o3 @: x' o: s0 p5.7.1.7 A polymeric material used as a barrier shall:7 ]' e4 {0 l& _
a) have a minimum HB flammability rating or comply with the horizontal burning flame test of) ^! V Z/ e0 a2 s
Clause 17.25;
( x: Y1 d& o1 vb) have a temperature rating equal to or greater than its maximum operating temperature in the0 _$ {+ f, R- _; d- O3 F5 k
luminaire;
. A, o1 D T4 ^# }c) for molded or formed thermoplastic parts, comply with the mold stress-relief test of Clause4 c. d' s& E7 S) o
17.4; and3 c$ t- i N$ m5 t% G
d) comply with the barrier strength test of Clause 17.1. |
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