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标准要求里说的明白,不考虑电源线的。
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60335-1 附录 生产线检查Routine tests
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A.1 Earth continuity test
; X$ W x+ D* ^7 W# j* EA current of at least 10 A, derived from a source having a no-load voltage not exceeding 12 V 8 G- q( z' e! X
(a.c. or d.c.), is passed between each of the accessible earthed metal parts and
& o( w7 ?6 A' I8 h$ C O– for class 0I appliances, and for class I appliances intended to be permanently - C4 J, e! C4 F0 {/ q
connected to fixed wiring, the earthing terminal;
9 \8 U) Q+ t* w# }0 k2 r( P% o– for other class I appliances,
/ m# S$ v" R+ t1 k& M+ T, Z; v4 u0 q• the earthing pin or earthing contact of the plug;
8 O$ d# t D9 \$ e• the earthing pin of the appliance inlet.
5 I$ v: X4 J9 m$ YThe voltage drop is measured and the resistance is calculated and shall not exceed 5 _% ]4 Z0 ~* U3 h1 n
– for appliances having a supply cord, 0,2 Ω , or 0,1 Ω plus the resistance of the supply
0 e. q5 u, X. d! T' Z$ L \$ A9 scord;
3 X6 |( E) W6 ]. f! S E; e- F: B– for other appliances, 0,1 Ω . |
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