The fuse rating can be calculated by dividing the power used by the appliance by the voltage going into the appliance.

I (Amps) = P (Watts) รท V (Voltage)

Normally the **fuse rating** is expressed in terms of **current**.

The fuse rating can be calculated by dividing the power used by the appliance by the voltage going into the appliance.

I (Amps) = P (Watts) รท V (Voltage)

Normally the **fuse rating** is expressed in terms of **current**.