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Voltage Drop Calculator

Instructions: To better prepare for your next lighting system installation, use our voltage drop calculator to customize the different aspects of the system such as wire gauge and run lengths between fixtures.

Resistance Amps VD (Calculation) Voltage Wire Gauge (Typical Sizes) % Voltage Drop (Do not exceed 3%)
25.67 3.96 2.033064 22.966936 24 8.13%
16.14 3.96 1.278288 23.72172 22 5.11%
10.15 3.96 0.80388 24.19612 20 3.22%
6.385 3.96 0.505692 24.494308 18 2.02%
4.016 3.96 0.3180672 24.6819328 16 1.27%
2.525 3.96 0.19998 24.80002 14 0.80%
1.588 3.96 0.1257696 24.8742304 12 0.50%
0.999 3.96 0.0791208 24.9208792 10 0.32%
0.628 3.96 0.0497376 24.9502624 8 0.20%
0.395 3.96 0.031284 24.968716 6 0.13%