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按照UL8750条款,lens可以使用玻璃的。
?8 `1 a7 l4 n$ ~' z6.3.4 The lens (optic) of an LED package connected in a circuit that represents a risk of electric shock need not be provided within an enclosure if made of:
# {0 e5 C0 J4 L4 za) Glass, or
9 @/ \3 P5 n- L& N5 x- M0 Rb) A polymeric material that complies with the dielectric voltage withstand test of 8.4 when a
0 o) U; }( M, m5 F500-V potential is applied between the electrical connections to the LED and the lens surface.3 I0 `/ b, F1 d$ C) Z/ o) c
但是我觉得有安全隐患。LED灯泡如果玻璃摔破了仍然是可以使用的,而电源部分不是class 2的,这时就会有触电危险。而传统灯泡玻璃摔破是不能再利用的。 |
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