Calculate DC voltage drop for marine wiring using the 3% rule per ABYC E-11
Input Parameters
Results
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Voltage Drop
V
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Voltage Drop
%
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Voltage at Load
V
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ABYC Status
Reference
ABYC E-11 Voltage Drop:
3% max for critical circuits (nav lights, bilge pump, electronics)
10% max for non-critical circuits (cabin lights, fans)
Vdrop = 10.75 × 2L × I / CM