Voltage Drop Calculator
Calculate cumulative voltage drop across a daisy-chain low-voltage lighting run. Enter fixture distances and wattages in order along the cable run, then compare cable sizes side by side.
System Voltage
Number of Fixtures
Cable Sizes to Compare
Min. 2.5 mm² cable width recommended by Havit for best results.
Fixture Sections — in order along the cable run
Enter fixtures in the order they appear along the daisy-chain run. Distance is the cable length from the previous fixture (or driver) to this fixture.
| Distance from Previous (m) | Wattage (W) | Product Code / Note |
|---|
Results
Cable Size Comparison
This calculation is generated via the Havit Lighting Voltage Drop Tool. Values are based on nominal parameters for temperature, wire resistance and number of strands per conductor. If design margins are tight, verification prior to system installation should be performed.