Blue Sea 4006 Standard CableCap - Large Pair

The Blue Sea 4006 Standard CableCap – Large Pair is designed to protect your marine electrical system, particularly at battery terminals. This product is essential for boaters who want to prevent corrosion and accidental shorts that can compromise onboard power reliability.

Engineered for durability, these heavy-duty caps seal and insulate both positive and negative battery posts, effectively preventing moisture ingress and accidental contact. Made from robust marine-grade thermoplastic, they resist UV degradation, fuel vapors, and saltwater spray, making them ideal for harsh marine environments.

Boaters and anglers who rely on dependable electrical systems will find these caps beneficial for protecting their battery terminals. They are compatible with standard large-post marine batteries, specifically accommodating 2/0 and 4/0 gauge battery cable terminals for a secure fit.