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Cable cross section calculation
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Cable cross section calculation
Cable
Domestic Twin & Earth
2 Core Steel Wire Armoured
3 Core Steel Wire Armoured
4 Core Steel Wire Armoured
Volts V
V
Load
Watts
kW
Amps
Set Load to 4x rated power/current for motor applications
Allowable Voltage Drop
%
Cable Length
m
Required Cable Size
mm
2
Voltage Drop
V
Percentage Drop
%
Load
A
Caution - for Guidance ONLY
NO guarantee as to the accuracy of these values is given.
And they should be checked with an electrician.