y wont a 3amp fuse work in a vacuum cleaner but 13amp will?

home work

THE THREE AMP FUSE WILL NOT SUPPORT MORE THAN A 3 AMP DRAW ON THE SYSTEM BEFORE IT BLOWS

THE 13 AMP FUSE WILL HANDLE UP TO 13 AMPS

IF THE VACUUM MOTOR TAKES LETS SAY 10 AMPS TO RUN, THE 3 AMP FUSE WILL BLOW, THE 13 AMP WILL SUPPORT THE AMOUNT OF DRAW AND ALLOW THE MOTOR TO OPERATE Not enough amps to push enough electricity to the motor. 3 amps won't start the motor, the fuse doesn't let enough power through. The thing to do is eliminate the fuse and wire it direct. When it starts to smoke you will find the problem. Let's get this straight. A fuse is a protective device designed to limit the current to (in this case) a motor to a level that is safe.

Its sole purpose in life is to sacrifice itself when the current drawn exceeds the designed parameters. The fuse blows and stops current from flowing, preventing further damage or a hazardous situation. Lets say that the original fuse is 8 amp. This is usually about 20% more than what the designer expects to see under normal operating conditions. The wiring, circuits, and components therefore are specified with no more than 8 amps expected. Say a diode fails, shorting and causing the unit to draw 10 amps. If you replace the 8 amp fuse with a 13 amp fuse, a condition now exists where more than the expected amperage can be seen by the components, overheating wires and causing a fire, or stressing components causing failure. A problem that may have cost you $35.95 plus tax to fix has resulted, best case scenario, in the replacing of the entire unit, or, worst case scenario, makes Mrs. O'learys cow fiasco look like a grade school fire drill!

More children are killed by faulty wiring than by handguns.

The answers post by the user, for information only, CeQnA.com does not guarantee the right.