A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
shall be passed between the earthing terminal or earthing contact and each of the accessible
metal parts in turn.
The voltage drop between the earthing terminal or earthing contact and the accessible metal
part shall be measured and the resistance calculated from the current and the voltage drop. In
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a
period of at least 1 min.
NOTE ：In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthingcontact is at the plug or supply end of the flexible cable or cord.作者: xiaotang02 时间: 2012-1-18 18:16
国标里的翻译是：
注：用不可拆卸软缆连接电源的灯具，接地触点是在插头上或者在软缆或软线的电源端的。作者: gamy 时间: 2012-1-18 18:16
我们每次都是把接地线电阻算在里边！莫有减过。。