VOLTAGE DROP CALCULATOR

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

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 sizeSingle-phase (230v) Circuit (Am per %Vd)
1mm245
1.5mm270
2.5mm2128
4mm2205
6mm2306
10mm2515
16mm2818
25mm21289
35mm21773
50mm22377
70mm23342
95mm24445
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