how to calculate cable size by amp
Answers were Sorted based on User's Feedback
Answer / er. ankush miglani 9718151073
for
a. cu cable: 1 sqmm=5amp
b. al cable: 1sqmm=1.5amp
Is This Answer Correct ? | 119 Yes | 42 No |
Answer / riyadh
how we calculate for 25 amps Al cable given example
from ur point of view 16 sq.mm Al cable is enough for the
25 Amps
Is This Answer Correct ? | 70 Yes | 24 No |
Answer / 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 |
Answer / robins
Cable calculation is based on the following factors:
1.Total current based on the peak load(total connected .
2.Cable length
3.Type of cable using(get from manual of cable manufactures)
4.Ambient temperature(normally 28 degrees)
Is This Answer Correct ? | 27 Yes | 6 No |
Answer / azhar
cable size is calculated depending up on load ..for example
1 kw load takes 1.8 amps current..if the load is 5kw..than
9amp is the current for amp current the selection cable size
can be opted on the basis of manufature detial like
havells,polly cab..have the range of cable for certain
amount of current we have to selected the cable size on the
basis of manufacture range sheet
Is This Answer Correct ? | 30 Yes | 10 No |
Answer / patson
Another factor in dxeciding on a cable size is where it
will be laid i.e in air, in soil, in ducts, on cable
containment ect
Is This Answer Correct ? | 16 Yes | 3 No |
Answer / kartick bango
Basically cable size is calculated depend Load & lenth. But
so many Place & area are also depend by temprature & low
Voltage for example Server Room
Is This Answer Correct ? | 11 Yes | 1 No |
Answer / bharat
Total current based on the peak load(total connected .
Is This Answer Correct ? | 13 Yes | 5 No |
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