Voltage Drop

* This calculator may have errors, it is only for reference . The information which you calculate from this Calculator is intended for use by you as a guide only

Calculations are based on Australian Wiring Rules AS3000:2007
Simplified Voltage Drop – Table C7 Voltage Drop-Simplified Method

Calculator
Length of the cable (L):

 
? Enter length of the cable

Current (I):
 
? Enter current

% of the voltage drop allowed:
 
? Enter Percentage of the Voltage Drop allowed

Cable conductor size:
Length of the cable (L):

 
? Enter length of the cable

Current (I):
 
? Enter current

Select cable size:
 mm2  
? Enter Percentage of the Voltage Drop allowed

Voltage drop in %:
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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