Fuses And Earthing Flashcards
1
Q
How do you prevent electrical overloads?
A
Use a earth wire and isolate the appliance and make a fuse in circuit
2
Q
What are circuit breaker?
A
These turn off instantly if current is too high
Turn off quicker than fuses
Can reset
More expensive
3
Q
What is double insulation?
A
When you cost things in a casing that shows no metal parts this makes sure they are never live
