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protection against UV emission or lamp shattering, 标准已经写的很清楚,只有tungsten halogen lamp or metal halide lamp 才需要protective shield,LED灯具明显是不适用的。
5 {* Z: e p' _, I2 G0 P1.2.71
7 S& c& B3 y$ Dself-shielded lamp* p! ?3 g" ^- l
tungsten halogen lamp or metal halide lamp for which the luminaire needs no protective shield
S! l) n- U1 R/ g# `for protection against UV emission or lamp shattering. ` G8 V$ G3 ?" t& e
4.21 Protective shield1 s, J$ D% _/ C% A; L/ m
4.21.1 Because of the possible risk of lamp shattering, luminaires designed for tungsten0 \# U: [+ z9 t4 s4 J
halogen lamps and luminaires designed for metal halide lamps shall be fitted with a protective6 D' {) Q8 Q: L$ n' o, M1 G
shield. For tungsten halogen lamps, the shield shall be of glass.' r6 u1 c* B9 @
Luminaires designed to be used with self-shielded lamps only are exempt from this
7 `, D0 x7 j% @) s' Hrequirement, but shall be marked with the appropriate symbol (see Figure 1). |
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