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60598里的规定:
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A current of at least 10 A, derived from a source with a no-load voltage not exceeding 12 V,
( }1 \! ]: S$ ] xshall be passed between the earthing terminal or earthing contact and each of the accessible* F5 w) d! ^" {# Y" F. m! U
metal parts in turn.0 l0 X8 l9 ^8 N
4 b. E7 U) |' i ? AThe voltage drop between the earthing terminal or earthing contact and the accessible metal
# D& {- s) L U: ipart shall be measured and the resistance calculated from the current and the voltage drop. In- t# G, l" i+ G
no case shall the resistance exceed 0,5 Ω. When type testing, the current shall be applied for a
$ l. E2 s- h6 @5 [" V: f1 {1 A9 yperiod of at least 1 min.% S2 ^) s" M" x$ T( \
: s4 \1 k6 s, ], WNOTE :In the case of a luminaire with a non-detachable flexible cable for the supply connection, the earthing contact is at the plug or supply end of the flexible cable or cord. |
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