Why? We r used 50sq. mm. And above size cable in 3.5 core and below size are used in 4core
Answer Posted / k.prakashchandra
Above 50 sq mm cables are usually used 3 phase loads and
fair balancing of loads is expected.As the neutral current
is unlikely to exceed 50 % of full load ,half the core size
is sufficient to save money
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Why is the frequency not changed during transformation of electrical energy in a transformer?
How to do stting of vl250 siemens MCCB
Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set
How to do maintenance of transformer feeder.
What is the formula to calculate the rating of a three phase air circuit breaker
Is it possible to measure the voltage of a battery from a single terminal?
working principle of AC Servo Motor with its construction
What are the factors influence the choice of an electrc drive?
redundant connection in contactor?
What does the term power factor shows?
What happens when ac supply is given as excitation voltage instead of dc supply
Block diagram of Power line communication?
what is the Connected Load (kW) or Contract Demand (kVA)of mahindra nasik plant??
how electrical earthing maintenance done in industry?
how is the testing of an REF relay? what are the test REF circuit having?