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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
9 Y L. p' s) q a8 n, pshall be passed between the earthing terminal or earthing contact and each of the accessible
# C K0 f+ X, C& }9 }metal parts in turn.
9 F: q L: A3 K I5 t2 pThe voltage drop between the earthing terminal or earthing contact and the accessible metal3 R1 K7 y' `3 e
part shall be measured and the resistance calculated from the current and the voltage drop. In: b) J" J' ^# P% j$ k% I
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a. r% @! I7 a1 P# J% d
period of at least 1 min.
4 Y, x/ m( Q( f( I( |NOTE In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing6 `% M3 O! L% [; ], o$ z* L
contact is at the plug or supply end of the flexible cable or cord. |
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