|
|
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。
/ ~0 b% m) F3 k! W5.4.1 A barrier shall be constructed of one of the following:
6 W3 s, E0 R% N+ i' q/ D8 e$ Ze) a polymeric material that complies with Clause 5.7.1.73 C0 t3 D: O5 Y* L# R
5.7.1.7 A polymeric material used as a barrier shall:' v' S4 s) K) K7 \# j
a) have a minimum HB flammability rating or comply with the horizontal burning flame test of- f1 I/ E0 }2 i( M! G! J: A; k
Clause 17.25;+ }( ~) g1 K& R
b) have a temperature rating equal to or greater than its maximum operating temperature in the
& z% ]0 v% U' O% g4 Z" y& |0 jluminaire;
* }1 H5 I5 M7 t0 a& U; m7 j6 X5 Lc) for molded or formed thermoplastic parts, comply with the mold stress-relief test of Clause
1 X3 B3 n, F2 g. W) p% w1 \17.4; and
( E# q1 H) k7 }" [, ]( p8 ^d) comply with the barrier strength test of Clause 17.1. |
|