Circuit Breakers Flashcards
1
Q
What are circuit breakers?
A
Used like fuses in large circuits eg for a house
We find them in what we call a fuse box
Circuit breakers ‘trip’ opening the circuit when the current gets too high
Residential Current Circuit Breakers (RCCBs) compares the current in the live and neutral wires to look for changes in the potential difference between them
2
Q
Advantages of circuit breakers
A
Re-settable
Faster to act
Can be easier to see where the problem is
3
Q
Disadvantages of circuit breakers
A
More expensive
Size
