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What Gauge Copper Wire Should I Use?

Discussion in 'General Electronics Discussion' started by roonyroo, Sep 1, 2012.

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  1. roonyroo


    Jul 13, 2012
    Im trying to build a simple electric generator using magnets & bare copper wire, what gauge copper wire should I use?

    I was thinking of getting 16 gauge copper wire, for around a 500 turn coil, or would I be better off with a thicker wire?

    Could I use tin plated copper wire? Would a plated wire be better then a regular bare copper wire?

    Im new to electronics, need all the help I can get lol

    Last edited by a moderator: Sep 2, 2012
  2. duke37


    Jan 9, 2011
    You cannot use bare wire in a coil since conduction between turns will short out the coil.

    Enamelled wire (magnet wire) is the way to go.

    A few turns of thick wire will give a low voltage and a high current, a lot of turns of thin wire will give a high voltage but a low current. The power in both cases will be similar and will depend on the magnetic circuit.
  3. szhighstar


    Aug 7, 2012
    suggest to use PEW wire, A=I/J, A is section across area of wire, I is current, J is current density, you can select J is 3A/mm*mm.
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