Answer / siva shankar

THE CURRENT CARRYING CAPACITY OF 2.5 SQMM IS 22A.IT IS A STANDARD FOLLOW BY CABLE COMPANY AND IT ALSO DEPEND WHICH MATERIAL USED BY U FOR CONDUCTING.

Answer / bobcat_rob_ oman

For NEC 25 amps depending on waht kind, thW, THHN, TW PVC
IEC 23 amps

better see manufacturer's ampacity... this is the required
ampacity at normal ambient temperature 30degree celsius.

Now if you will installing this to a certain area... then
you must consider the correction factors such as ambient
temerature, distance of installation, type installation(
grouping factor, wall cavity installation, direct burial,
etc..) then you apply these correction factors.. and there!
you have the proper ampacity for a 2.5 sq. mm copper
wire....

Answer / vinay patel

It can carry current up to max. 22 Amps. at 20 De.Celsius
temperature with copper cable DC resistance 7.98 Ohm/Km.
with 0.7 mm PVC insulation as pe IS:694/1990

Answer / ajay goel

Hi I am Ajay Goel....
As thumb rule every 1 sqmm wire can carry 3 Amps of Max
current during transmission Hence 2.5 sqmm will carry 7.5Amps.
However for chassis wiring it can support 32 Amps.

..AJAY GOEL

Answer / phanikanth

it is cabble to carry 1kv=4am so 2.5sqmm carry in 8.2am

Answer / harish

10amp

Answer / francis

it a gatefull if I get answer thank u

Answer / sennapparajan

Max 10 amps as per standard.

Answer / ajay dhari

The 2.5 Sq.mm Copper cable can practicaly carry current 22
Amp but theortically is it mentioned 25 Amp by
manufacturers which is tested by ERDA.

Answer / sandeep arora

For me its surprising to see such an contradictory
calculations
Practically in automotives, we calculate 10Amps = 1 sqmm
& approx 22A for 2.5 sqmm in DC(12/24V)

Could any body elaborate for this contradictions?

formula for cable size calculation for current?

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