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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。
1 [3 T. v5 v. L% \0 q1.2.71
5 s. P g1 {8 m; W5 |1 t9 Iself-shielded lamp% L1 P6 j1 U9 k/ ?( Y
tungsten halogen lamp or metal halide lamp for which the luminaire needs no protective shield
, o s; O3 I: X$ q0 {: afor protection against UV emission or lamp shattering
; I" R. ]9 ^: J, m" `4.21 Protective shield
2 I1 H, N$ D N& G4.21.1 Because of the possible risk of lamp shattering, luminaires designed for tungsten9 _; `5 a- n) Q
halogen lamps and luminaires designed for metal halide lamps shall be fitted with a protective9 B6 E; I: T5 ^
shield. For tungsten halogen lamps, the shield shall be of glass.& q3 X! H7 y0 c+ q* V3 q
Luminaires designed to be used with self-shielded lamps only are exempt from this- g. R0 p1 a8 V! V( K
requirement, but shall be marked with the appropriate symbol (see Figure 1). |
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