exposed conductive parts
d. extraneous conductive parts. The gas, water and central heating pipes the building, not forming a
part the electrical installation are called:
a.
9.
8.
10. earthing
b.
11. short circuit. earthing conductors
b. The conduit and trunking parts the electrical installation are:
a.137
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
7. overload
d. current which exceeds the rated value otherwise healthy
circuit one definition of:
a. earthing
b.
. extraneous conductive parts. short circuit. overload
d. bonding
c. overcurrent resulting from fault negligible impedance one
definition of:
a. overload
d. bonding
c. The linking together the exposed extraneous conductive parts of
an installation for the purpose safety one definition of:
a. extraneous conductive parts. exposed conductive parts
d. The connection the exposed conductive parts installation the
main protective earthing terminal the installation one definition of:
a. short circuit. bonding conductors
c. protective equipotential bonding
c. exposed conductive parts
d. earth conductors
b. earthing
b.
12. protective equipotential bonding
c. earthing
b. bonding conductors
c
