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标准要求里说的明白,不考虑电源线的。
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4 D4 H- H, J" ~" `60335-1 附录 生产线检查Routine tests ! K: @; |+ f! u
% ]9 ~- K5 @% KA.1 Earth continuity test
4 z6 h2 v5 a6 v7 O% `A current of at least 10 A, derived from a source having a no-load voltage not exceeding 12 V 6 Z/ ^9 r) n R; |, i i
(a.c. or d.c.), is passed between each of the accessible earthed metal parts and 4 b! U" k0 A- l3 n. Z; H) Q1 I
– for class 0I appliances, and for class I appliances intended to be permanently
8 |9 m+ H5 O: j+ Cconnected to fixed wiring, the earthing terminal;
7 C" k2 |* q6 B W– for other class I appliances,
$ z W# v# e8 d+ C' E• the earthing pin or earthing contact of the plug; . m( X! k0 K% M8 g+ v3 {, r
• the earthing pin of the appliance inlet. ( A9 u. a+ i# T+ x0 y7 Q
The voltage drop is measured and the resistance is calculated and shall not exceed 2 F' B' N! Q4 T( c7 j
– for appliances having a supply cord, 0,2 Ω , or 0,1 Ω plus the resistance of the supply $ F; v) Z1 J* q+ c) X
cord;
& i- y/ d. K8 g. M6 `– for other appliances, 0,1 Ω . |
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