use a 13 A fuse The equation P = I × V can be rearranged to find the current if the power and voltage are known. The best fuse to use in this example would be the 13 A fuse. The 3 A and 5 A fuses ...
In all other cases, you should call a qualified electrical contractor. Touching the wrong parts of a fuse box or breaker box can result in a severe electrical shock that could prove fatal.
The current flowing through an appliance can be calculated by rearranging the equation: Once the current is known the next highest fuse rating is chosen. A fuse rated below the normal operating cu ...