電訊常識 Copper

圖片參考：http://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/ElectricWireGrounded.jpg/150px-ElectricWireGrounded.jpg

A electrical power cable found commonly in modern European houses. The cable consists of 3 wires (2 wires + 1 grounding) and is double-insulated.
Red/Brown -live
(B) Blue - return
(Y) Yellow/Green - neutral






請參考網:
http://en.wikipedia.org/wiki/Power_cable
http://zh.wikipedia.org/wiki/%E9%9B%BB%E7%BA%9C






希望可以幫到你.


2008-11-25 22:41:13 補充：
correction:
(B) Blue/Black - neutral; (Y) Yellow/Green - Earth;
http://en.wikipedia.org/wiki/Domestic_AC_power_plugs_and_sockets