Why we use 2core cable for Dc motor.Can I use 3core?

Answer Posted / akshat sharma

beta,, in DC ther no use of earth coz we cant provide protection the reason is becauseearth fault vl not make current to flow to ground...!!!! its only in a.c that current flows to ground.
in d.c we need to complete the ciruit with "+" and "-" terminals only. for much detailed reasons resd working of an d.c cell

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