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Thread: Rule of thumb for calculating watts and amps.

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    Smart like tractor Ben-e-boy's Avatar
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    its ohms law........volts(v)=Current (I) / resistance (R) and Power (P) = Volts (V)/Current (I)


    For surges and stuff like that you would have to do fault loop impedance and fault current equations. not something I would bother with on 12v system
    96 GQ coil/Cab
    08 G6eT


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