以下摘自UL1598
16.5.7 Impact conditioning
16.5.7.1 A sample of the water shield shall be mounted on the luminaire for impact conditioning. The
sample shall be subjected to a 4.1 J (3 ft·lb) impact from the steel sphere of Clause 19.21 from a vertical
distance of 775 mm (30.5 in) on any surface of the water shield that is exposed and that can be subjected
to an impact during its intended use.
1,Water shield 具體指的是什么?用作防雨和防觸電保護(hù)的燈罩算不算是.
2,是不是所有的wet location luminaire都要做這個(gè)測(cè)試．
燈具撞擊測(cè)試討論
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老弟,標(biāo)準(zhǔn)13.4.4.3和4.4講得很明白:
13.4.4.3 A glass or polymeric water shield of a ground-mounted recessed luminaire shall be subjected to the impact conditioning test of Clause 16.5.7 and shall then comply with the immersion test of Clause 16.5.4.
?13.4.4.4 A wooden water shield less than 13 mm (0.5 in) thick shall be subjected to the impact conditioning test of Clause 16.5.7 and shall then comply with the applicable rain, sprinkler, or immersion test.
13.4.4.3 A glass or polymeric water shield of a ground-mounted recessed luminaire shall be subjected to the impact conditioning test of Clause 16.5.7 and shall then comply with the immersion test of Clause 16.5.4.
?13.4.4.4 A wooden water shield less than 13 mm (0.5 in) thick shall be subjected to the impact conditioning test of Clause 16.5.7 and shall then comply with the applicable rain, sprinkler, or immersion test.
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@jimxie
老弟,標(biāo)準(zhǔn)13.4.4.3和4.4講得很明白:13.4.4.3Aglassorpolymericwatershieldofaground-mountedrecessedluminaireshallbesubjectedtotheimpactconditioningtestofClause16.5.7andshallthencomplywiththeimmersiontestofClause16.5.4.?13.4.4.4Awoodenwatershieldlessthan13mm(0.5in)thickshallbesubjectedtotheimpactconditioningtestofClause16.5.7andshallthencomplywiththeapplicablerain,sprinkler,orimmersiontest.
thanks
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