The size of
the ground wire or earth is ba on the
maximum fault
current carrying through the ground wire
rated current carrying capacity of the service line
depends on
the soil resistance
both (a) and
(c)
both (a) and
(c)
The size of
the ground wire or earth based on the :
1. Maximum
fault current carrying through the ground wire.
2. It also
depends on the soil condition earthing electrode can be dependent on
(i) depth of
the soil
(ii) Moisture
of soil
(iii) Conductivity
level
(iv) pH value
of soil
Hence, the
correct option is (D).
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