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7.3 Tungsten-halogen luminaires4 s, {; B5 n* T% z$ |
7.3.1 Lamp containment barriers
: O `+ O; _) o' j& r7.3.1.1 A luminaire employing tungsten-halogen lamps as the primary light source shall be provided with
0 q( C7 m k qa lamp containment barrier that will contain major particles resulting from a ruptured lamp, unless:
4 |) J% U3 L" z7 p7 @(a) the lamp manufacturer declares on the lamp package that the lamp is suitable for use in an
. p- ]2 E/ u: c- }) f% a5 p8 Mopen luminaire; or
5 z! J) k- h3 w1 m: y, L: D6 G(b) the luminaire is intended to be used with a lamp provided with an integral outer lamp
8 ^1 i8 H5 e4 d" T- i% ienvelope, and the lamp manufacturer does not provide a caution requiring an additional lamp
5 w0 M- {* q9 k) o8 l/ E: ?3 ^containment barrier.. i6 P' h2 w6 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？
' E! Y% L/ s2 T( d: v: [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？4 i8 h( K) ^6 r# S
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