Calculate voltage drop, power loss, wire gauge recommendation, and maximum run length for CCTV, PoE, coax, power and data cable installations.
Cable Runs
Results
Status
Configure runs and click Analyze
Per-Run Breakdown
Run
Drop %
Drop V
End V
Loss W
Status
Worst Voltage Drop
—
Total Power Loss
—W
Runs Failing Limit
—
Find Maximum Cable Length
Auto-set by cable type
Results
Maximum Run Length
—m
Configure parameters and click Calculate
At 2% drop
—
metres
At 3% drop
—
metres
At 5% drop
—
metres
At Max Run
Voltage drop
—
End voltage
—
Line resistance
—
Power loss
—
Find Recommended Wire Gauge
Results
Recommended AWG
—AWG
Configure parameters and click Recommend
Metric equivalent
—mm²
Gauge Comparison
AWG
mm²
Drop %
Drop V
Status
Application Note
Resistivity values based on annealed copper at 20°C (1.724×10⁻⁸ Ω·m). Temperature correction not included — derate ~0.4%/°C above 20°C.
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