All electrical items in the home should have a plug top fitted with the appropriate fuse rating, the load (amps) of electrical equipment and appliances can be calculated thus :- WATTS ÷ VOLTS = AMPS 1 KILOWATT = 1000 WATTS                  VOLTS = 240v So if you have a 240 volt heater rated at 3 KW (3000 watts) it will have a load of 12·5 amps, therefore it requires a fuse rated at 13 amps. Fuses rated at 3, 5 and 13 amps are easily purchased from most DIY stores, fuses rated at 2 and 10 amp are more difficult to purchase unless you go to an electrical … [Read more...]