SKU: CW55430
UPC: 091887308006
MPN: 309225
The Ancor 12-10 Heatshrink Butt Connectors - 25-Pack is the gold standard for marine electrical work, trusted by serious anglers, boaters, and commercial fishing operations for nearly three decades. These connectors solve one of the most common pain points on the water: creating reliable, corrosion-resistant wire joins that won't fail mid-season.
Designed specifically for 12 and 10 AWG wire gauges, these heatshrink butt connectors use a two-stage construction: a tinned copper barrel for superior electrical conductivity and a marine-grade adhesive-lined heatshrink tube that seals out saltwater and moisture. When heated with a heat gun or lighter, the shrink tubing contracts tightly around the connection while the adhesive melts, creating a waterproof seal that resists corrosion far better than bare solder joints or mechanical splices.
The 25-piece count ensures you have spares for emergency repairs and future upgrades without waste. These connectors work seamlessly on any 12V or 24V marine system—battery banks, alternator circuits, ground runs, and high-draw loads like bilge pumps and trolling motors. They're especially valuable for freshwater and saltwater applications where standard connectors fail within a season.
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