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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
0 n* F# s; Q) n# ishall be passed between the earthing terminal or earthing contact and each of the accessible
6 ~) r& X% j& ^; X( H- Jmetal parts in turn.7 l7 D# D3 y# H3 \( W' @
The voltage drop between the earthing terminal or earthing contact and the accessible metal' n {5 \! p9 z
part shall be measured and the resistance calculated from the current and the voltage drop. In4 }" A, ?) D/ \: W+ x* \
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a9 A( @) e% b; b5 F0 G! y
period of at least 1 min.& ^% Z! @; @0 N! `, @, a3 \
NOTE In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing; t$ |9 m& z! f7 U+ }; R& o
contact is at the plug or supply end of the flexible cable or cord. |
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