|
|
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。: l5 a2 y! d9 [5 N: g' Q
5.4.1 A barrier shall be constructed of one of the following:
9 T" j5 v. Q3 x0 _e) a polymeric material that complies with Clause 5.7.1.7
3 w3 O6 n" Z9 \' Y) s X- W% K5.7.1.7 A polymeric material used as a barrier shall:0 O! U8 M# i0 c- R
a) have a minimum HB flammability rating or comply with the horizontal burning flame test of
5 | P4 p4 j# yClause 17.25;0 |5 G+ g5 B) [
b) have a temperature rating equal to or greater than its maximum operating temperature in the1 l* L5 U! X, h. r) b+ `
luminaire;
) Q( U7 a9 U% L$ Tc) for molded or formed thermoplastic parts, comply with the mold stress-relief test of Clause
4 m$ \, p2 n5 x2 Y6 ~$ e. H17.4; and7 E7 P* ]0 u6 o) v5 E& f* m* z4 K
d) comply with the barrier strength test of Clause 17.1. |
|