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    mike6043's Avatar
    mike6043 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 15, 2008, 05:40 AM
    Cable size calculation
    I would like to know how to calculate the cable size needed for 300W,12V bulb. The distance for the location is 50meter length. Any others info I need to put here? Could anyone send me the formula so that I can calculate it?

    Thanks

    Mike:)
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Dec 15, 2008, 07:47 AM
    Here is the Ohm's Law Pie Chart, it should have everything you need, with exception of voltage drop.

    Do a search for Voltage Drop Online calculator, and you will find several.
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