Property of metals which make them useful as electric wires/

Metals are good conductor of electricity therefore they can be used for as electric wires, moreover metals are ductile in nature which allows metals to be drawn in the form of wires. 
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https://www.meritnation.com/ask-answer/question/metals-are-good-conductors-of-electricity-wheereas-non-metal/science/5707059
https://www.meritnation.com/ask-answer/question/q-a-what-is-ductility-explain/metals-and-non-metals/6006390