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Question
Why we call cable rating in SQ.mm.If it is 240 SQ.mm how 
much the diameter possible?is there any calculation ?
 Question Submitted By :: Bala123
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?
Answer
# 1
it is bcoj the cable diameter is decided wby the amount of
current it hav to bear.....thus the conductor is choosen
according to its dia size...
 
Is This Answer Correct ?    8 Yes 14 No
Sumit Tomar
 
  Re: Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?
Answer
# 2
When we say that cable rating is 240 sq mm the user knows
that the area of the conductor is 240 square mm. Hence user
can determine the amount of current that cable can carry.
Calculate the dimension of circle which has a area of 240
sq mm and you get the answere about dia size.
 
Is This Answer Correct ?    10 Yes 10 No
Rajesh Palande
 
 
 
  Re: Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?
Answer
# 3
When you got the cross section aria then you can calculate
the current currying ampere by knowing the materials
Resistance
 
Is This Answer Correct ?    6 Yes 11 No
Mateen
 
  Re: Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any calculation ?
Answer
# 4
Area=3.14*r^2

r=8.74mm
 
Is This Answer Correct ?    3 Yes 1 No
Aravind
 

 
 
 
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