gfd951951
发表于 2015-2-2 12:32
duanemail
发表于 2015-2-3 09:04
标准中只对安装板有大小上的要求,当然还是从防水测试的角度业考虑的。测试时建议用普通的木板即可。不用刻意用什么样的非常规的木板。
520168
发表于 2015-2-3 09:21
木板大小:If the installation instructions indicate that a luminaire is for ceiling or under-canopy mounting,
the luminaire shall be attached to the underside of a flat board or plate which extends 10 mm
beyond that part of the luminaire perimeter in contact with the mounting surface.
木板厚度:12mm.