|
UL153便携式灯具爬电距离及空气间隙要求可以参考Clause 24.! d, j7 @9 W+ l! E
# D! \- [; I. w( E. I) J
24 Electrical Spacings) W0 Y( q. E$ Z
+ f1 N$ D; q0 ]8 T0 k3 g4 L b- z4 o
24.1 The spacing between uninsulated live parts of opposite polarity,and between uninsulated live parts and metal that is capable of being grounded shall not be less than1/4inch(6.4mm)through air or 3/8inch(9.5mm)oversurface.The outer wrap of an open core and coil ballast is determined to be an uninsulated live part with respect to this requirement. |
|