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标准要求里说的明白,不考虑电源线的。5 M0 i. K4 t8 N+ A, M5 ~+ q5 t
* S# q# s2 f+ i# t1 X60335-1 附录 生产线检查Routine tests
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! @( v* l( x: I0 K3 lA.1 Earth continuity test
) _- ?! C% ~6 {$ v% |) dA current of at least 10 A, derived from a source having a no-load voltage not exceeding 12 V
+ t! D" c4 K5 U0 M, A* V(a.c. or d.c.), is passed between each of the accessible earthed metal parts and
V/ P# Z+ |' a$ e' C9 L5 p, P% V– for class 0I appliances, and for class I appliances intended to be permanently
5 X* x5 ?9 C& r/ [% ^: Lconnected to fixed wiring, the earthing terminal; ' L' i& U' _. i, p( Q( W% r u
– for other class I appliances, . A8 E2 b. M. X& R7 q
• the earthing pin or earthing contact of the plug; 3 f; C& ?# ] `; v' B8 q6 K
• the earthing pin of the appliance inlet. 1 Q0 X& g3 G' J6 Z
The voltage drop is measured and the resistance is calculated and shall not exceed & W% b/ {; n, B, E9 V% y
– for appliances having a supply cord, 0,2 Ω , or 0,1 Ω plus the resistance of the supply
0 {: ^7 ]5 o2 l3 x' zcord;
4 Q4 @7 ]7 S# X% H' F2 C– for other appliances, 0,1 Ω . |
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