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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,: Q- o% p& Z7 t6 G d6 G) r
shall be passed between the earthing terminal or earthing contact and each of the accessible
/ ?4 m2 y( C/ n0 l) Rmetal parts in turn.
# G0 t; I' i' o7 E+ {The voltage drop between the earthing terminal or earthing contact and the accessible metal+ n* ` A6 L6 L
part shall be measured and the resistance calculated from the current and the voltage drop. In5 }9 ~# ]5 q: z T' B
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a* u$ S0 `. B8 |
period of at least 1 min.+ A* O* m: ]2 ]# ?. i8 p/ K
NOTE In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing
6 [; n0 g) L0 p# B. j& q6 tcontact is at the plug or supply end of the flexible cable or cord. |
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