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7.3 Tungsten-halogen luminaires
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7.3.1.1 A luminaire employing tungsten-halogen lamps as the primary light source shall be provided with' Q3 u% u* _5 ?! ^7 T
a lamp containment barrier that will contain major particles resulting from a ruptured lamp, unless:5 j( v, S1 w- I3 {
(a) the lamp manufacturer declares on the lamp package that the lamp is suitable for use in an
^: c& C, p( R* |& u2 d' jopen luminaire; or5 @$ q/ u4 [- l$ o6 C- ~
(b) the luminaire is intended to be used with a lamp provided with an integral outer lamp
8 C; d5 Y2 ~4 g. N9 g! L; ^envelope, and the lamp manufacturer does not provide a caution requiring an additional lamp* G3 Z, A- H+ [/ L% V# O7 _
containment barrier./ m1 S0 F, N3 q* h0 ^: w4 e0 o/ v
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？
/ ~1 k) q5 v' S3 H, L* tb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？
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