---
product_id: 10525479
title: "121310 Duplex Cable, 12/2 AWG (2 x 3mm2), Flat - 100ft,Black/Red"
brand: "ancor"
price: "£106.42"
currency: GBP
in_stock: true
reviews_count: 13
category: "Ancor"
url: https://www.desertcart.co.uk/products/10525479-121310-duplex-cable-12-2-awg-2-x-3mm2-flat
store_origin: GB
region: United Kingdom
---

# 600V premium insulation marine-grade corrosion resistance flexible to -40°F/-40°C 121310 Duplex Cable, 12/2 AWG (2 x 3mm2), Flat - 100ft,Black/Red

**Brand:** ancor
**Price:** £106.42
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your adventures with marine-grade confidence!

## Quick Answers

- **What is this?** 121310 Duplex Cable, 12/2 AWG (2 x 3mm2), Flat - 100ft,Black/Red by ancor
- **How much does it cost?** £106.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/10525479-121310-duplex-cable-12-2-awg-2-x-3mm2-flat)

## Best For

- ancor enthusiasts

## Why This Product

- Trusted ancor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heavy-Duty Insulation:** Rated for 600 volts and resistant to battery acid, oil, UV rays, and abrasion for long-lasting safety.
- • **Unmatched Marine Durability:** Engineered with tinned copper strands to conquer the harshest saltwater environments.
- • **Easy Polarity Identification:** Distinct black and red conductors simplify installation and prevent costly wiring errors.
- • **Vibration-Resistant Stranding:** Ultra-flexible Type 3 stranding reduces fatigue from constant movement and vibration.
- • **Extreme Temperature Flexibility:** Stays pliable from freezing cold to scorching heat, ensuring reliable performance year-round.

## Overview

The Ancor 121310 Duplex Cable is a 100-foot, 12/2 AWG flat marine cable designed for extreme environments. Featuring tinned copper strands and premium vinyl insulation rated at 600 volts, it resists corrosion, vibration fatigue, UV exposure, and extreme temperatures down to -40°F. Certified to exceed UL, US Coast Guard, and ABYC standards, this cable ensures reliable, long-lasting performance for demanding marine and off-road electrical installations.

## Description

Ancor 121310 Duplex Cable is a marine-grade 12/2 AWG (2 x 3mm²) flat cable, 100 feet long, featuring black and red conductors for easy polarity identification.

Review: Excellent product. - Best wire for marine use
Review: Great wire for demanding installs - I used the 14g and 12g duplex wire for wiring on my off-road rig. I live up in the northern U.S. Rockies and off-road a lot in the deserts across the southwest U.S. The arid terrain, UV exposure, and alternating deep cold and heat kept decomposing other wiring I have tried, especially on the roof rack lights and accessories. The quality of this wire is noticeably better than other automotive wiring I have used! Heavy duty outer jacket. The insulation on the inner wire is robust as well. Despite the heavy duty coverings, the wire lays out well. I am questioning the gauge on some of my prior wires as the strands on this Ancor wire seem beefier than the same grade of the auto wire used previously. All in all, a great product.

## Features

- Manufactured from individual copper strands and tinned to perform in the harshest marine environments.
- Ultra-flexible Type 3 stranding resists fatigue from vibration and provides added corrosion protection.
- Exceeds all UL 1426, US Coast Guard Charter boat (CFR title 46) and ABYC standards
- The premium vinyl insulation is rated at 600 volts, 105 deg C dry and 75 deg C wet, stays flexible even in extreme cold (-40 deg F/C) and resists salt water, battery acid, oil, gasoline, heat, abrasion and ultra-violet radiation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000NUYBU2 |
| Best Sellers Rank | #79,442 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #38 in Boat Electric Wire |
| Brand Name | Ancor |
| Color | Black/Red |
| Customer Reviews | 4.8 4.8 out of 5 stars (242) |
| Gauge | 12/2 AWG |
| Global Trade Identification Number | 00091887120950, 00091887123050 |
| Included Components | Ancor 121310 Flat Duplex Safety Cable - 12/2 (2x3mm), 100' |
| Item Type Name | Ancor 121310 Flat Duplex Safety Cable - 12/2 (2x3mm), 100' |
| Item Weight | 2.27 Pounds |
| Manufacturer | Ancor |
| Material Type | Copper, Vinyl |
| Number Of Wires | 2 |
| Strands | 2 |
| UPC | 091887123050 091887120950 |
| Unit Count | 1.0 Count |
| Voltage | 600 Volts |

## Product Details

- **Brand:** Ancor
- **Color:** Black/Red
- **Gauge:** 12/2 AWG
- **Material:** Copper, Vinyl
- **Number of Cable Strands:** 2

## Images

![121310 Duplex Cable, 12/2 AWG (2 x 3mm2), Flat - 100ft,Black/Red - Image 1](https://m.media-amazon.com/images/I/31T1BaK3IbL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent product.
*by J***N on January 4, 2026*

Best wire for marine use

### ⭐⭐⭐⭐⭐ Great wire for demanding installs
*by C***S on December 27, 2022*

I used the 14g and 12g duplex wire for wiring on my off-road rig. I live up in the northern U.S. Rockies and off-road a lot in the deserts across the southwest U.S. The arid terrain, UV exposure, and alternating deep cold and heat kept decomposing other wiring I have tried, especially on the roof rack lights and accessories. The quality of this wire is noticeably better than other automotive wiring I have used! Heavy duty outer jacket. The insulation on the inner wire is robust as well. Despite the heavy duty coverings, the wire lays out well. I am questioning the gauge on some of my prior wires as the strands on this Ancor wire seem beefier than the same grade of the auto wire used previously. All in all, a great product.

### ⭐⭐⭐⭐⭐ Works Great
*by A***O on March 29, 2024*

Thick, strong and well made. Highly recommended for Van build.

## Frequently Bought Together

- Ancor 121310 Duplex Cable, 12/2 AWG (2 x 3mm2), Flat - 100ft,Black/Red
- Ancor 121510 Duplex Cable, 14/2 AWG (2 x 2mm2), Flat - 100ft,Black/Red
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**Shop now:** [https://www.desertcart.co.uk/products/10525479-121310-duplex-cable-12-2-awg-2-x-3mm2-flat](https://www.desertcart.co.uk/products/10525479-121310-duplex-cable-12-2-awg-2-x-3mm2-flat)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-27*