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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.作者: dai7833215 时间: 2013-4-13 09:44
火线L和零线的空气间隙距离要6.4MM?那么大作者: vickywu 时间: 2013-4-13 10:47
內置電源有灌膠嗎?作者: dai7833215 时间: 2013-4-13 10:49
没有灌胶的