24 Hour Emergency Service Available - Call 1-800-999-7841   Navigation Menu: Home Page Locations Product Line Card Industry Affiliations Online Tools Career Opportunities Misc. Links Voltage Drop Calculator This calculator will give you a very close calculation based on your input on what your voltage drop is, the voltage at the end of the load, and much more. But keep in mind that there may be other factors that can effect these calculations. So it is important that you consult with a certified electrician. Wire Type Copper Aluminum Wire Size 18 AWG 16 AWG 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG 4 AWG 3 AWG 2 AWG 1 AWG 1/0 AWG 2/0 AWG 3/0 AWG 4/0 AWG 250 kcmil 300 kcmil 350 kcmil 400 kcmil 500 kcmil 600 kcmil 700 kcmil 750 kcmil 800 kcmil 900 kcmil 1000 kcmil 1250 kcmil 1500 kcmil 1750 kcmil 2000 kcmil Select Voltage and Phase 120 Volts 1-phase 240 Volts 1-phase 208 Volts 3-phase 3-wire 120/208 Volts 3-phase 4-wire 277 Volts 1-phase 480 Volts 3-phase 277/480 3-phase 4-wire 24 DC or 1-phase AC 48 DC or 1-phase AC Distance in feet (one-way) Enter Load amperes The following information is the result of your input: Voltage at the load end of circuit: Voltage Drop: Voltage Drop Percentage: CMA of Conductor:

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