safety practices Flashcards
1
Q
what does a fuse consist of
A
a thin strip of metal that melts and breaks if the current exceeds a safe level
2
Q
what does a fuse do
A
it stops a higher then normal current flow and so protects the equipment and electrical components from overheating, which could cause a fire
3
Q
what is a circuit breaker
A
a safety device similar to a fuse which is used to prevent too much current from flowing in an electrical circuit
4
Q
what does the earth leakage do
A
it protects people from electric shock by redirecting the current in the circuit into the ground