CALCULATE 
Supply Voltage
Cable Run Length
Mtr’s
Current Load
A
Cable Size
mm2
Enter Values
 
*
*
 

Desc.
Cable Run Length
Current Load
Max Volt Drop
Unit
m
Am
%Vd
Result
 
TABLE C7

VOLTAGE DROP-SIMPLIFIED METHOD

 
 
Cable conductor size Single-phase (230v) Circuit
Am per %Vd
Three-phase (230v) Circuit
Am per %Vd
1mm2 45 90
1.5mm2 70 140
2.5mm2 128 256
4mm2 205 412
6mm2 306 615
10mm2 515 1034
16mm2 818 1643
25mm2 1289 2588
35mm2 1773 3560
50mm2 2377 4772
70mm2 3342 6712
95mm2 4445 8927