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VOLTAGE DROP CALCULATOR

*This calculator is a quick reference. Its not intended as a replacement of AS3000.


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Calculations are based on Australian Wiring Rules AS3000:2018
Simplified Voltage Drop – Table C7 Voltage Drop-Simplified Method

Calculator



Length of the cable (L):

 
?
Enter length of tde cable
Current (I):  
?
Enter current
% of voltage drop allowed:  
?
Enter Percentage of tde Voltage Drop allowed
Cable conductor size: 0.00 mm2
Length of the cable (L):

 
?
Enter length of tde cable
Current (I):  
?
Enter current
Select cable size:  mm2
 
?
Enter cable size
Voltage drop in %: 0.00
Table C7
Cable conductor size Single-phase (230v) Circuit (Am per %Vd)
1mm2 45
1.5mm2 70
2.5mm2 128
4mm2 205
6mm2 306
10mm2 515
16mm2 818
25mm2 1289
35mm2 1773
50mm2 2377
70mm2 3342
95mm2 4445


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