Current carrying capacity of
Single core, twin insulated wires in voltage grade 1100V, conforming to IS:694-1990 with additional FR properties
Wires must be made of Electrolytic grade, bright, plain annealed copper conductor, as per IS : 8130 -1984.
These wires are suitable for all Commercial & Domestic wiring applications.
For additional safety, the insulation of Flame Retardant - FR PVC compound must be there. It has high oxygen and temperature index.
Wires must be twin coated with superior insulation. The House Wires must be of uniform diameter and must be available in standard lengths of 90 metre and 180 metre coils.
Sq. Number insulation overall current carrying Maximun
mm of thickness diameter capacity in amps Resistance ohms
wires/ mm in mm in mm in conduit at 20 degree C
mm of thickness diameter capacity in amps Resistance ohms
wires/ mm in mm in mm in conduit at 20 degree C
1.0 14/.3 .7 2.8 11 18.10
1.5 22/.3 .7 3.1 14 12.10
2.5 36/.3 .8 3.8 19 7.41
4.0 56/.3 .8 4.4 26 4.95
6.0 84/.3 .8 5.0 31 3.30
Standard Colour : Red, Yellow, Blue, Green, Black.* As per
IS: 3961 (Part V) -1968.
# As per Conductor Class 2 of IS : 8130 - 1984. $ As per
Conductor Class 5 of IS : 8130 - 1984
Air conditioning
A ton of refrigeration
The value is defined as 12,000 BTU per hour, or 3517 watts.[14]
Watts to amperes calculator
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Colour coding in electrical wiring in India?
Red, Yellow and Blue for Live.
Black for neutral and
Green for Earthing.
But make sure same colour philosophy is maintained in your house wiring.
Otherwise you will land in trouble.
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Air conditioner equipment power in the U.S. is often described in terms of "tons of refrigeration".
is approximately equal to the cooling power of
one short ton (2000 pounds or 907 kilograms) of ice melting
in a 24-hour period.
Residential central air systems are usually from 1 to 5 tons (3 to 20 kilowatts (kW)) in capacity.
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