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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
$ u+ T$ d2 ^0 ]' _1 Hshall be passed between the earthing terminal or earthing contact and each of the accessible
, r1 v4 q1 t. }( `& xmetal parts in turn.5 O# \4 g1 r V$ ^' j4 S/ }( H
The voltage drop between the earthing terminal or earthing contact and the accessible metal) ^8 X2 W8 T# l# P6 _- M
part shall be measured and the resistance calculated from the current and the voltage drop. In9 Y7 Z( i6 b+ C
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a# d0 ^6 x# n, C3 z9 `, K! O5 I
period of at least 1 min.* r5 |5 r' V$ ^9 d- e, A! l
NOTE In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing
5 A' M% j: h! x& ycontact is at the plug or supply end of the flexible cable or cord. |
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