xidua-10 发表于 2014-9-9 16:53 7 R$ N7 b% v% P
h) Protective conductors may be bare or insulated. Insulation shall be green-and-yellow,0 x! Q5 l' D0 [( \1 a; e
except in ...
xidua-10 发表于 2014-9-9 16:53
h) Protective conductors may be bare or insulated. Insulation shall be green-and-yellow,$ y6 }2 ~. Z) V$ ~+ f
except in ...
head0819 发表于 2014-9-9 17:49 3 e! l% C- p7 U$ L2 ~
那我问问你,earthing braids, ribbon cables, busbars, flexible printed wiring都是些什么东西?
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