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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。, Q% Y" j7 ]8 y2 p4 X
5.4.1 A barrier shall be constructed of one of the following:0 \% |( e$ `7 V0 A1 w% [
e) a polymeric material that complies with Clause 5.7.1.7
" q, R1 S- s; ~5.7.1.7 A polymeric material used as a barrier shall:1 }3 q$ u2 H: z6 Y t8 \! C( [5 R9 ]
a) have a minimum HB flammability rating or comply with the horizontal burning flame test of
! Z) g0 z/ p7 x1 j* z9 ZClause 17.25;' f* a' i, A* M+ V# K/ ?3 `
b) have a temperature rating equal to or greater than its maximum operating temperature in the7 ~; P' e3 U5 U* S6 h; l
luminaire;
2 k9 n+ g, ~$ f/ `4 x: Z) hc) for molded or formed thermoplastic parts, comply with the mold stress-relief test of Clause" R: s0 E' k* J! V7 x! u5 _+ F4 b0 x
17.4; and
* \( f5 w4 V- ] U4 a) `d) comply with the barrier strength test of Clause 17.1. |
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