Butt Connectors

Find electrical Butt Connectors for your boat wiring job and get back to boating with the knowledge that you did the job with the best connections you could use.

Marine Butt Connectors – Secure, Waterproof Wire Splicing for Boats

Go2marine’s Butt Connectors category features a wide range of marine-grade wire connectors designed for safe, durable, and corrosion-resistant electrical splicing in harsh marine environments. Whether you're repairing bilge pump wiring, installing new electronics, or upgrading your boat’s electrical system, these connectors ensure reliable performance and long-term protection.

Shop Marine Butt Connectors for Every Application:

Heat shrink butt connectors – Dual-wall tubing with adhesive lining for waterproof, vibration-resistant seals
Nylon-insulated connectors – Flexible and durable for tight spaces and high-vibration areas
Vinyl-insulated butt connectors – Cost-effective solutions for general-purpose marine wiring
Tinned copper barrels – Superior conductivity and corrosion resistance in saltwater conditions
Color-coded by wire gauge – Easy identification for 22–18 AWG, 16–14 AWG, and 12–10 AWG wire sizes
Crimp-to-seal options – Combine mechanical strength with environmental protection

These connectors are essential for creating secure, low-resistance electrical connections that stand up to moisture, salt, and movement. Ideal for use in bilge areas, engine compartments, lighting circuits, and battery systems, Go2marine’s butt connectors meet or exceed ABYC and USCG standards for marine electrical safety.

Trusted Marine Brands Include:

Ancor Marine
Sea-Dog Line
Pacer Group
Gardner Bender

Why Choose Go2marine?

Extensive selection of marine butt connectors for all wire gauges and applications
Expert support from seasoned marine professionals
Fast shipping and competitive pricing
Products built for marine-grade durability, conductivity, and waterproof sealing