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P1112 – Rockford Fosgate – marine grade 8 gauge black wire

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P1112 – marine grade 8 gauge black wire

Estimated delivery dates: Jun 19, 2026 - Jun 24, 2026

Overview

Marine grade 8 gauge black wire is a heavy-duty, marine-certified electrical cable designed to serve as the negative ground return path in 12V DC marine and automotive environments. It is the exact ground counterpart to the solid red P1111 power cable, completing a fully insulated, high-current electrical circuit loop.

Specifications

Wire Gauge: 8 AWG. Conductor Material: 100% Oxygen-Free Copper (OFC) for optimal current transmission. Corrosion Protection: Individual Tin-Plating on all 735 inner strands to block salt-air oxidation and moisture degradation. Strand Type: Type III high-strand count (735 individual copper strands) for extreme wire flexibility.

Key features

Standard copper grounds degrade rapidly into green copper-carbonate oxidation when exposed to moisture and salt air, causing massive electrical resistance. The P1112 protects against this by utilizing 100% Pure Oxygen-Free Copper where every individual internal copper strand is dynamically tinned. This tin barrier blocks corrosion and preserves clear current transmission. The core features a fine-wire Type III high-strand layout containing 735 individual conductors. This structural design maximizes the overall surface area of the low-resistance metal while rendering the thick 8-gauge wire highly flexible. Installers can route it tightly along boat hull channels or vehicle panels without risking fractured internal cores. The wire core is encased in a thick, rugged PVC protective jacket. This formulation prevents degradation or hardening when exposed to harsh chemicals frequently found in bilge sumps and marine engine bays, completely resisting