Ancor 4AWG Butt Connector Tinned Copper 25 Pack

The Ancor 4AWG Butt Connector Tinned Copper 25 Pack is an essential component for anyone maintaining or upgrading marine electrical systems. Whether you're running new circuits for trolling motors, fish finders, LED lighting, or battery banks, these connectors provide the reliable, corrosion-resistant terminations that the saltwater and freshwater environment demands.

Manufactured from tinned copper, a marine-grade material, these butt connectors resist oxidation far better than bare copper in humid, corrosive conditions. The 4 AWG gauge accommodates heavy-duty applications and high-amperage circuits typical of larger boats, bass rigs, and commercial fishing vessels. Tinning prevents the white corrosion (copper oxide) that degrades contact and causes voltage drop, ensuring a secure, low-resistance connection.

Serious boaters—from center console and Jon boat owners to commercial operators—rely on Ancor connectors to join battery cables, shore power leads, and distribution circuits without voltage loss or heat buildup. Install these using a marine-grade crimper for best results; avoid solder-only terminations, which can fail under vibration.