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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
/ W# }* [9 M hshall be passed between the earthing terminal or earthing contact and each of the accessible
: V# k& j0 B J9 g$ o% b# Q6 f& Wmetal parts in turn./ Y! a F4 T* F. O/ `8 \0 n5 g" U8 @
The voltage drop between the earthing terminal or earthing contact and the accessible metal
, i. l$ v& k* r) |3 ppart shall be measured and the resistance calculated from the current and the voltage drop. In# H" y. ~; G5 d* z! D v
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a$ o# {& [' O% w5 ?
period of at least 1 min.
U$ n. V5 R- M! j+ Z' h' UNOTE In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing
% ?8 Y+ w% i6 Z- jcontact is at the plug or supply end of the flexible cable or cord. |
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