how do we calculate cable sq mm size,that if 50 A load

Answer Posted / subbiah

It's depend the length of the cable required, type of laying (Air ,U/G & conduit like etc...), temperature and type of load............

refer cable manufacturer cable chart

Is This Answer Correct ?    10 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

1701


In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

2763


What happens if we connect a single phase energy meter in reverse polarity.

1722


if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1512


how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

790






Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!

1312


what is positive , negative & zero equivalent system resistance

1431


What is the formula for calculating no-load current?

650


What are the three major categories of error?

675


I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

1563


What is mean 2XWY

1990


What is voltage divider rule?

708


What type interview questions ask in Electrical technicians

1265


How many methods use the load flow solution?

768


How to see the inductance in a transmission lines

1675