Cable Voltage Drop Circuit Cable Size Cable Length Line Current Line Voltage : : : : : Voltage Drop Voltage Drop Circuit Cable Size Cable Length Line Current Line Voltage Voltage Drop Voltage Drop Single Phase 8 AWG 20.0 M 15.0 Amp 230.0 V = 1.4 V = 0.6 % : : : : : Single Phase 8 AWG 20.0 M 15.0 Amp 230.0 V = 1.4 V = 0.6 % http://www.lmphotonics.com