Answer / najam sultan

For earthing we don't need to use 4 cores, only a single core is enough for earthing.And 1.5sqmm single core cable is enough for earthing of 0.75 kW motor.

Answer / avd

Yes it can be done.Do not worry for fault level because it
will be greaty reduced due to lowersize cable.But make sure
you have installed earth fault protection device to isolate
incase of earth fault.

Answer / mukesh

For motor we need to use 3 cores, only a single core is
enough for earthing.And 1.5sqmm single core cable is enough
for earthing of 0.75 kW motor and double earth is
requirements for whereas 3 phases is used as per rule.

Answer / jyotiranjan sahoo

Yes it can use 1.5 sqmm cable of earthing for that motor but in Indian standard we must be use another body earthing

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