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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
- V" M* }, ?. u+ i( z1 xshall be passed between the earthing terminal or earthing contact and each of the accessible- t7 `0 u ?* G5 t4 R! _$ z- S
metal parts in turn.) ^5 T# y) T, p; |2 Z. |6 n
The voltage drop between the earthing terminal or earthing contact and the accessible metal* P1 I4 W/ Q% Y3 I* y- I; s
part shall be measured and the resistance calculated from the current and the voltage drop. In$ A! u# ~; m" c& U8 J
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a
: B3 d, _$ I+ U9 \- \$ `period of at least 1 min.
; ~% X9 w! x4 c6 A* n& X) ZNOTE In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing3 g( s; L2 R/ b! C
contact is at the plug or supply end of the flexible cable or cord. |
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