Ancor White 18 AWG Tinned Copper Wire - 1,000'

The Ancor White 18 AWG Tinned Copper Wire – 1,000' is a marine-grade electrical conductor built for the harsh realities of saltwater and freshwater boating. Whether you're wiring a new console, replacing corroded runs, or building a custom electrical system, this tinned copper wire delivers the corrosion resistance and conductivity that keeps your boat's systems running safely and reliably. Anglers, cruisers, and commercial operators depend on Ancor because inferior wiring is a liability in rough conditions where electrical failure can strand you far from shore.

Tinning—the process of coating copper with a thin layer of solder—prevents oxidation that accelerates corrosion in salt spray and bilge moisture. At 18 AWG, this wire carries moderate current loads (typical for navigation lights, trim tabs, bilge pumps, and auxiliary circuits) while remaining flexible enough for tight routing through engine compartments and console spaces. The 1,000-foot bulk spool eliminates the waste and cost of buying pre-cut lengths, making it ideal for complete rewires, boat builders, and shops that service multiple vessels. Proper gauge selection is critical: undersized wire generates heat and voltage drop; oversized wire adds unnecessary weight and cost—18 AWG hits the sweet spot for the majority of marine auxiliary circuits.

This wire works best in low-voltage DC systems (12V or 24V) common on recreational and work boats. Install it with marine-grade terminals, heat shrink, and adhesive-lined tubing to maintain the corrosion barrier at connection points—a weak termination defeats the benefits of tinned copper. The white jacket aids identification during troubleshooting and future maintenance, reducing the risk of cross-wiring in complex systems. Anglers pulling heavy electronics loads should verify their panel's amperage rating and consult a wiring diagram; for most standard rigs, the Ancor 18 AWG becomes the backbone of a dependable electrical infrastructure that lasts seasons, not months.