Working Out Cable Size //top\\ Page

If you only know the wattage, use the Power Formula to find the Amps: (Amps = Watts / Volts) Example: A 3000W heater on a 230V circuit draws 13.04A . Step B: Select the Protective Device ( Incap I sub n

Every cable has a limit to how much current (Amps) it can handle before the insulation melts. working out cable size

Copper is cheaper than a fire. If your calculation is borderline between two sizes, always choose the thicker cable. If you only know the wattage, use the