255
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
6. fault protection.
9. exposed conductive parts
d. fault protection.
10.
8.
. isolation switching. equipotential bonding
d. fault protection
c. basic protection
c. extraneous conductive parts
b. basic protection
b. The protection provided equipotential bonding and automatic
disconnection the supply called:
a. extraneous conductive parts
b. The metalwork the building and other service pipes called:
a. basic protection
c. exposed conductive parts
d. exposed conductive parts
d. The protection provided insulating live parts called:
a. fault protection. basic protection
c. extraneous conductive parts
b. Cutting off the electrical supply order ensure the safety those
working the equipment one definition of:
a. The metalwork the electrical installation called:
a.
7. exposed conductive parts
d. extraneous conductive parts
b. fault protection. basic protection
c