防护罩
7.3 Tungsten-halogen luminaires7.3.1 Lamp containment barriers
7.3.1.1 A luminaire employing tungsten-halogen lamps as the primary light source shall be provided with
a lamp containment barrier that will contain major particles resulting from a ruptured lamp, unless:
(a) the lamp manufacturer declares on the lamp package that the lamp is suitable for use in an
open luminaire; or
(b) the luminaire is intended to be used with a lamp provided with an integral outer lamp
envelope, and the lamp manufacturer does not provide a caution requiring an additional lamp
containment barrier.
a是灯泡制造商声明灯泡的封装适合用在开放的灯具中，凭什么能声明呢，灯泡本身是防爆的吗 如T4的疝气双头灯管？
b是灯泡自带防护屏 是指类似MR16的钢化玻璃吗？还有别的吗？除了这种钢化玻璃 还有什么灯泡自带防护罩？
卤素灯会有UV
a怎么满足对UV的防护要求
b的防护屏防爆炸也防UV吗
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