Fuses Flashcards
1
Q
What is a fuse?
A
A device that protects the circuit conductors and equipment from damage by destroying itself.
2
Q
What makes a fuse readily available?
A
It is cheap, useful, and a simple protective device.
3
Q
List 3 fuse advantages.
A
Does not deteriorate with age.
Speed of operation.
Capable of breaking very high fault currents.
Available in a wide range of current ratings.
4
Q
List 2 Fuse disadvantages.
A
Expensive.
They only work once.
You can not tell if it’s been blown.
5
Q
What is the formula for fusing factor?
A
Fusing current divided by rated current.
