⚡ ABYC E-11 Dedicated Estimator

36V Marine Wire Size & Voltage Drop Calculator

Heavy-duty 36V trolling motors (like the Minn Kota 112 lb) push big tournament bass boats through heavy vegetation. Calculate your wire gauge to avoid burning wires or tripping thermal fuses.

⚡ ABYC E-11 Standard

DC Wire Size (AWG) & Voltage Drop Calculator

Marine Grade Tinned Copper (BC-5W2)

1. System Voltage

2. Current Draw (Amps)50 Amps

5A30A50A (Standard)100A150A

3. Total Circuit Length (Round-Trip in Feet)15 Feet

💡 Crucial: Measure distance from battery to appliance and BACK (Positive wire + Negative wire).

4. Allowable Voltage Drop

3% Critical DropTrolling motors, electronics, navigation

10% Non-Critical DropCabin lights, bilge pump, fans

Recommended Cable Size (AWG)

--Tinned Copper

Actual Voltage Drop:-- V (--%)

Voltage at Motor:-- V

Power Wasted (Heat):-- Watts

Min. Circular Mils:-- CM

⚓ ABYC Standards Quick Check

Calculating electrical specs...

Frequently Asked Questions

What gauge wire does a 36V 112lb trolling motor need?

For a typical bass boat run of 15 to 20 feet (30 to 40 ft round-trip), a 36V 52A motor requires 6 AWG tinned marine copper wire to maintain voltage drop below 3%.