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标准要求里说的明白,不考虑电源线的。( l* c* C7 H( H3 G
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60335-1 附录 生产线检查Routine tests . B$ \# D5 a" n1 Y A
5 N0 k+ {! Q) g$ k% |9 a" KA.1 Earth continuity test
! O& I- e: b( d- Q! R/ vA current of at least 10 A, derived from a source having a no-load voltage not exceeding 12 V
& [" f: D* A8 m7 L# `. ^(a.c. or d.c.), is passed between each of the accessible earthed metal parts and
/ U" u5 Q/ }) ]4 N( c– for class 0I appliances, and for class I appliances intended to be permanently & Y% X* w. K6 \8 U
connected to fixed wiring, the earthing terminal; 3 f4 k1 ]& M' K' Z2 U- U
– for other class I appliances, 8 E) E1 V- P" a) E
• the earthing pin or earthing contact of the plug;
7 k/ l" [1 ~7 \& G• the earthing pin of the appliance inlet. 5 ]4 A5 l( F9 d+ @. @7 q+ z- R2 M
The voltage drop is measured and the resistance is calculated and shall not exceed + o) U, Z: T" G: ~; ~2 N
– for appliances having a supply cord, 0,2 Ω , or 0,1 Ω plus the resistance of the supply
+ d4 E0 F6 \$ Xcord; 2 H& t: B) s$ [0 o) V+ h
– for other appliances, 0,1 Ω . |
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