plugs and wires Flashcards
1
Q
what colour is the live wirre
A
brown
2
Q
what colour id the neutral wire
A
blue
3
Q
what comour is the earth wire
A
geeen and yellow striped
4
Q
what are the wires made of
A
copper to conduct electricity
5
Q
what are the wires covered in
A
insulating plastic for safety
6
Q
live wire
A
provides the alternating potential difference
7
Q
neutral wire
A
carried the current away, completing the circuit.
0V
8
Q
earth wire
A
0v
doesn’t carry current
stops the appliancc case from becoming live
provides an alternate pathway for the current to flow if the live wire fails
9
Q
fuse
A
the wire of the fuse heats up
the wire melts
this breaks the circuit
so no more current can flow
10
Q
circuit breakers
A
the wire gets tripped
this turns off the circuit
then the wire can be reset
11
Q
how to prevent electric shocks
A
double insulation
esrthing
