Premium Boat Cable

Round and Flat Profiles
6 AWG to 18 AWG DC Duplex
10 AWG to 16 AWG Triplex

Superior Performance and Protection in Harsh Marine Environments

Polar Wire’s exclusive UL Listed Premium Multi-Conductor Marine Grade Boat Cable is designed for outstanding performance in harsh marine environments. 100% Copper Class K stranding provides exceptional flexibility, eases installation and reduces fatigue from vibration and flexing. Conductors are tinned for maximum corrosion resistance and long performance.

Polar Wire Premium Boat Cable is offered in multi-conductor round and flat profile styles with a white TPE outer jacket. Triplex is configured with black, white, and green conductors. DC Duplex features ABYC recommended red insulated (DC positive) and yellow insulated (DC negative) conductors. A flat profile duplex with red and black conductors is also stocked. Construction meets and exceeds UL 1426, CSA, and ABYC standards.

Rated 600 volts, 105°C dry, 75°C wet. Resists vibration and flexing fatigue, oil, gas, salt water, sunlight, heat, and abrasion. Manufactured exclusively by Polar Wire Products, and proudly made in the USA.

100% Copper Class K Stranding
  • Ultra-flexible Class K fine stranding
  • Tinned for protection against corrosion and electrolysis
Flexible TPE Insulation
  • Flexible in cold conditions - 600V rated for -55° to 105°C
  • Resists acids, chemicals, oil and gas, sunlight, salt, water
  • VW-1 and FT-1 Flame Resistant
Call for cutting and spooling options on bulk wire orders

Polar Wire Premium

Multi-Conductor Boat Cable

Typical Legend

POLAR WIRE BOAT CABLE E321438 (UL) 10 AWG 3/COND VW-1 600V 105C DRY 75C WET OIL RESISTANT BC-5W2 MADE IN USA RoHS COMPLIANT — CSA TEW 105C OR AWM I A/B 105C 600V FT1 265576

Features

  • UL listed Tinned Copper Boat Cable
  • 10, 12, 14, and 16 AWG Triplex with black, white, and green conductor colors
  • 6, 8, 10, 12, 14, 16, and 18 AWG DC Duplex with red/black or red/yellow conductors
  • Ultra-flexible Class K fine stranding
  • Tinned for protection against corrosion and electrolysis
  • 600V up to 105°C (221°F) dry, and 75°C (167°F) wet
  • Flexible in cold conditions
  • Resists vibration and flexing fatigue
  • Available in round and flat configurations
  • Opt for round boat cable for best all-direction bending ability 
  • Choose the space saving flat profile for tight spaces and when stacking
  • Flat profile is constructed without fillers to facilitate jacket removal and wire stripping
  • Construction meets and exceeds UL 1426, CSA, and ABYC standards
  • Manufactured Exclusively by Polar Wire Products
  • Proudly Made in the USA!

Round Boat Cable

Flat Boat Cable

* Occasionally stocked. Generally special order. Minimums may apply.

Don't see the size, configuration, or color you are looking for? Submit a custom wire manufacturing request!

Class K Stranding Table

Download

Maximum DC Resistance of Class K Conductors

Download

Sales Sheet

Download

No! We extrude our polarity stripe into our wire to ensure it does not wear off in heavy use.

We designed Arctic Ultraflex Blue® with nothing but superior performance in mind.

Premium TPE Insulation

We designed a revolutionary flexible yet durable TPE insulation blend

Class K Stranding

To complement our premium insulation blend, we construct our conductors with 100% copper in a high-strand count, Class K configuration.

Class K stranding refers to the size and number of strands we use to construct our wire. To see the the stranding of our wire, have a look at our Class K Conductors Table. Class K contributes to our wire's superior flexibility and increases the conductivity of our by providing more strand surface area.

We construct all our wire with 100% Copper Stranding for utmost quality and conductivity. We stand by our dedication to quality utilizing only the finest conductor constructions to ensure our wire remains at the peak of performance in the wire and cable industry.

We often send out our newsletter with news and great offers. We will never disclose your data to third parties and you can unsubscribe from the newsletter at any time.

Unfortunately, we’re unable to offer free samples. As a retailer, we buy all magazines from their publishers at the regular trade price. However, you could contact the magazine’s publisher directly to ask if they can send you a free copy.

You can create a new account at the end of the order process or on the following page. You can view all of your orders and subscriptions in your customer account. You can also change your addresses and your password.

No, you don’t have to create an account. But there are a few advantages if you create an account.

  • You never have to enter your billing and shipping address again

  • Find all of your orders, subscriptions and addresses in your account

  • Download invoices of your orders

No, we don’t have a physical store location at the moment. We accept only orders through our online shop and we’re shipping all orders with the Swiss Post Service. Please visit our shipping section for more details.

From time to time you will find us at design fairs and popup markets in Switzerland. Subscribe to our newsletter and you’ll receive the latest news.

We often send out our newsletter with news and great offers. We will never disclose your data to third parties and you can unsubscribe from the newsletter at any time.

Unfortunately, we’re unable to offer free samples. As a retailer, we buy all magazines from their publishers at the regular trade price. However, you could contact the magazine’s publisher directly to ask if they can send you a free copy.

You can create a new account at the end of the order process or on the following page. You can view all of your orders and subscriptions in your customer account. You can also change your addresses and your password.

No, you don’t have to create an account. But there are a few advantages if you create an account.

  • You never have to enter your billing and shipping address again

  • Find all of your orders, subscriptions and addresses in your account

  • Download invoices of your orders

No, we don’t have a physical store location at the moment. We accept only orders through our online shop and we’re shipping all orders with the Swiss Post Service. Please visit our shipping section for more details.

From time to time you will find us at design fairs and popup markets in Switzerland. Subscribe to our newsletter and you’ll receive the latest news.

Tab Content

This is a basic text element.

Our customers say...

We love this wire! Very easy to work with. Super flexible and the sheathing is soft and works well with our tools unlike other products we’ve used. We wire all our camper vans with this product and have been exceptionally happy with the results and quality.
Vandemic
Polar Wire Customer on Premium Boat Cable
Wonderful product.
Jasmine
Polar Wire Customer on Premium Boat Cable
Came on time and well boxed. Again perfect product.
Robert M
Polar Wire Customer on Premium Boat Cable
Arctic Ultraflex Blue®
COLD WEATHER FLEXIBLE INDUSTRIAL WIRE
Arctic Superflex Blue®
PARALLEL BONDED DOUBLE CONDUCTOR WIRE
Arctic Ultraflex Blue®
INDUSTRIAL POWER CORD
Multi-Listed Flexible Wire
THHW / TEW / MTW / AWM / BC-5W2 / SAE TYPE SGT
Premium Boat Cable
Round and Flat Triplex and DC Duplex
Premium Trailer Cable
Twin and Multi-Conductor Styles
Custom Wire Manufacturing
Made in the USA to your specifications

Arctic Ultraflex Blue®

ARCTIC GRADE INDUSTRIAL WIRE

Discover

Arctic Superflex Blue®

ARCTIC GRADE INDUSTRIAL WIRE

Discover

Arctic Ultraflex Blue®

INDUSTRIAL POWER CORD

Discover

Multi Listed Flexible Wire

THHW / TEW / MTW / AWM / BC-5W2 / SAE TYPE SGT

Discover

Premium Boat Cable

ROUND AND FLAT; TRIPLEX AND DC DUPLEX

Discover

Premium Trailer Cable

DOT COLOR CODED MULTICONDUCTOR CORD

Discover

Custom Wire Manufacturing

MANUFACTURED TO SPEC IN THE USA

Discover

CONTACT US

sales@polarwire.com (907) 561-5955
Mon-Fri: 8 am to 5 pm (AKDT)
Manufacturing and Shipping Facility
Centrally located in Illinois
Store and Corporate Headquarters
7941 Brayton Drive
Anchorage, Alaska 99507

© 2025 Polar Wire Products Inc.   All Rights Reserved.