how to calculate cable size by amp

Answer Posted / soumendasbiswas

Fist Calculate the Full load current..then assume some
derating factor...nd evaluate that current..then check that
current with ny reputed cable makers manual(Havells,Pollycab)
to get the actual cable size

Is This Answer Correct ?    50 Yes 15 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Who many reason of ignition fail ?

1569


Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

1729


concept of busbar and load dispatching..?

2010


what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

2071


is ac supply can store

1642






What is primary and backup protection?

824


I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1464


what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1094


What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

1464


If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

1025


How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

1901


in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1522


draw the full wave and half wave circuit of 3 phase system and inverter circuit used in upsĀ 

1997


how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?

1592


what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

2292