|
标准要求里说的明白,不考虑电源线的。" r" t! D7 {- B0 T1 Q+ l
" \* ]7 y- ]# {. r
60335-1 附录 生产线检查Routine tests
0 R+ |- x I9 c2 `5 b' K
! I! @: y; U4 j; [8 _, N+ d6 e% ?% m' AA.1 Earth continuity test
$ _! g, ^6 N" jA current of at least 10 A, derived from a source having a no-load voltage not exceeding 12 V 9 i6 O* F' J' c/ Z/ l
(a.c. or d.c.), is passed between each of the accessible earthed metal parts and
# {7 }' f, y( q' _& D! i1 o5 R) d– for class 0I appliances, and for class I appliances intended to be permanently D8 Y. o$ X! v6 q" l
connected to fixed wiring, the earthing terminal;
0 l' j( }6 D% |3 `7 s5 f2 m– for other class I appliances, : }& w$ ]& g+ W
• the earthing pin or earthing contact of the plug; 3 {6 q1 p" n% u# }* z b2 r
• the earthing pin of the appliance inlet. * C4 P$ g% T. Q b7 u: m' s
The voltage drop is measured and the resistance is calculated and shall not exceed + [; l5 Q- H9 Z5 v9 Z9 o- p
– for appliances having a supply cord, 0,2 Ω , or 0,1 Ω plus the resistance of the supply * X( ? ?. I4 ]% b& t( D# o
cord; ' ~" @4 A( y# L5 P {! i. R% n
– for other appliances, 0,1 Ω . |
|