What kind of wire do you use for a trolling motor?

Many trolling motors can be used with 8 gauge wire, however, the length of wire you need and the amperage of your motor can alter the size of wire you need. For example, if you need a longer length of wire, you’ll likely need a lower gauge and therefore thicker wire.

Do trolling motors need marine grade wire?

Amperage increase means you need thicker wire to handle the amperage draw from the trolling motor and the heat that the electricity produces. IMO, the best wire to use is marine grade.

What gauge wire is Minn Kota?


5 FT
30 lb. 30 10 AWG
40 lb., 45 lb. 42 10 AWG
50 lb., 55 lb. 50 8 AWG

How long can trolling motor wires be?

If your wire extension length is more than 25 feet, we recommend that you contact a qualified marine technician. CAUTION: An over-current protection device (circuit breaker or fuse) must be used.

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What size wire do I need for 24 volts?

If you have a 24V supply for a 200 amp device, we will assume that the wiring is copper and has a typical insulation and installation type. With a wire distance of 25 feet and a voltage drop of 3%, you will need a wire size of 4/0 AWG.

Is 10 gauge wire enough for trolling motor?

Many ship with 10-gauge wire leads factory-installed. These leads work fine as long as they reach your batteries. Unfortunately, these power cables often need to be lengthened to reach the trolling motor batteries, and people who don’t know any better extend the cables using the same 10-gauge wire size.

How do I know if my trolling motor is 12 or 24 volt?

The nameplates are most often found in the foot petals of the motor. Otherwise, you can look at the configuration of the trolling motor batteries to find the volts. Open the hood and look at the battery. If you see 6 cells, it’s a 12-volt battery, but if you see 12 cells, it means it’s a 24-volt battery.

How big of a battery do I need for a trolling motor?

Most trolling motor batteries fail due to lack of proper charging. We suggest selecting a 12 volt deep cycle marine battery with at least a 110 amp hour rating, usually a group 27 size battery. The higher the amp hour rating, the more run time you will receive.

What thickness is 10 gauge wire?

Gauge Thickness chart & Information:

Gauge -Thickness Dimension inches thick Dimension millimeters thick
6 .162 inch 4.1mm
8 .128 a little over 1/8 inch 3.26 mm
9 .114 inch 2.91 mm
10 .102 inch 2.6 mm
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What is #6 wire?

Considered a general purpose gauge of wire by the National Electrical Code, 6 AWG wire is used in everything from lighting installations to hot tubs.

What size wire do I need for 20 amp 12 volt?

Maximum current (amps) in a 12V electrical circuit vs. size (AWG) and length of wire.

American Wire Gauge (#AWG)
Length (feet) Maximum Current (amps)
15 16 12
20 14 12
25 14 10

What gauge wire do I need for 12 volt?

12 Volt Wiring: Wire Gauge to Amps

Amps @ 13.8 Volts LENGTH OF WIRE American Wire Gauge (AWG)
15-20 12-ga. 8-ga.
20-35 12-ga. 8-ga.
35-50 10-ga. 6 or 4-ga.
50-65 10-ga. 4-ga.

How far can you run 18 2 wire?

Using 18 gauge power cable, you can run your cable up to 289 feet.