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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。
! X$ @' A% I! p8 N5.4.1 A barrier shall be constructed of one of the following:
- L& Q2 P; I. W4 de) a polymeric material that complies with Clause 5.7.1.7. U0 u) z6 B% f- M6 ]
5.7.1.7 A polymeric material used as a barrier shall:% L7 h; e8 a+ b, [
a) have a minimum HB flammability rating or comply with the horizontal burning flame test of
8 E( y: t- @2 c" g+ G* C' }Clause 17.25;+ `) _- _" C, c3 i4 Z4 H7 ~, Q3 T
b) have a temperature rating equal to or greater than its maximum operating temperature in the5 ]3 A& k7 p$ d g, Q! _5 g- H
luminaire;; U! @* E: I$ X* V, s3 j
c) for molded or formed thermoplastic parts, comply with the mold stress-relief test of Clause
! ^& E+ |3 i) p" [2 w b( `' k( ?/ O17.4; and
: S u6 Q1 S" H/ Hd) comply with the barrier strength test of Clause 17.1. |
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