Low Voltage Lighting Volt Drop Calculator

Load Rated Voltage

Volts

Number of Fixtures

  

Watts per Fixture (at Rated Voltage)

Watts

Amps

Total Watts & Amps (at Rated Voltage)

Watts

Amps

Circuit Length to First Fixture

Feet

Circuit Length to Last Fixture Feet

Load Center Feet
Average Fixture Spacing Feet

Circuit Length Occupied by Fixtures Feet

%

% of Concentrated Load Volt Drop %

Supply Voltage

   

Volts

Wire Size

 

AWG

First Fixture

 Last Fixture
Wire Loop Resistance

Ohms

Ohms

Volt Drop (Loop)

Volts

 Volts

Voltage at Fixture

Volts

Volts

© Ed Lethert Associates, Inc.

Version 2.4

11/29/2006