WIRE, TERMINALS & INSTALLATION

Whether you’re rewiring a boat, installing a new switch panel, or adding electrical accessories, the quality of your wiring components matters. We offer core parts used in marine electrical installations — including marine wire, terminals, heat shrink, terminal blocks, connectors, tools, and installation hardware.

These are the same types of components we use when building thousands of custom switch panels and electrical systems each year.

Marine grade primary wire, jumpers and battery cables

– Wire spools, primary, duplex & More

– Pre-made jumper wires

– Custom Battery Cables

Marine grade adhesive lined heat shrink

– Adhesive lined heat shrink

– Marine grade, seals connections

– Heat shrink marine labels

Terminal Blocks and Bus Bars for Boats

– Re-wire Essentials

– Marine grade, tinned copper

– Sealed options

Marine grade terminal, lugs and boat wire connectors

– Marine Grade Terminals and Lugs

– Rings, Butt Connectors, Spades

– Hard to find styles like step-ups

deutsch connectors waterproof for marine wiring

– 2 – 12 gang housings

– Pins, sockets, tools

– Sealed DT Bus Bars, Hyperbuss

Marine and boat wiring kits

– Everything in one place

– Dimmer kits, rewire kits, more

– Fast & easy

Marine electrical tools

– Pro Electrical & Wiring Tools

– Strippers, Crimpers, Deutsch

– Have the right tool for the job

Waterproof cable and wire seals for boat

– Watertight cable seals

– Single and multi wire

– Marine grade, any wire diam

Marine fasteners, screws, adhesives, weld-mount and sealants

– Screws: Stainless + Black

– Weld Mount wire tie mounts +

– Marine grade sealant

Marine Wire, Terminals and Installation Components

Boat electrical systems rely on a combination of high-quality wiring components working together. From the wire that carries power, to the terminals that connect circuits, to the hardware that mounts and seals everything in place, each piece plays a role in creating a reliable marine electrical system.

This category brings together the core components used during boat wiring and electrical installations. Whether you’re installing a new switch panel, upgrading electronics, or building a custom wiring harness, these products help ensure your installation is clean, secure, and built to last.

Shop Marine Wiring Components

Marine Wire

Marine-grade primary wire and battery cable designed for boat electrical systems. Tinned copper marine wire helps resist corrosion while flexible stranding allows easier routing through consoles, rigging tubes, and panels.

Heat Shrink

Heat shrink tubing and wire labels help seal and protect electrical connections. Adhesive-lined heat shrink creates watertight splices while labeling products keep circuits organized for easier troubleshooting later.

Terminal Blocks & Bus Bars

Terminal blocks and bus bars provide organized connection points for distributing power and grounding circuits. These components make it easier to manage multiple wires while simplifying maintenance and troubleshooting.

Terminals & Lugs

Ring terminals, butt connectors, quick disconnects, and other marine-grade connectors allow wires to be securely joined and terminated. Quality terminals help ensure reliable electrical connections that hold up in marine environments.

Deutsch Compatible Connectors

Deutsch-style connectors are widely used for sealed electrical connections on boats. These connectors use silicone seals and locking contacts to create waterproof connections ideal for harsh marine environments.

Electrical Kits

Electrical wiring kits bundle together commonly used components for boat wiring projects. These kits simplify installation by providing matched components needed for common marine electrical systems.

Wiring Tools

Proper wiring tools make marine electrical work easier and more reliable. Wire strippers, crimpers, cutters, and heat tools help create stronger electrical connections and more professional installations.

Cable Seals

Cable seals provide waterproof pass-through points when routing wires through decks, consoles, and panels. These seals help prevent water intrusion while maintaining a clean installation.

Fasteners & Installation Hardware

Marine fasteners, sealants, and mounting systems help secure electrical components and accessories. These products ensure panels, cable seals, and wiring hardware stay firmly installed in demanding marine environments.

Built for Real Boat Wiring Projects

At New Wire Marine we don’t just sell wiring components — we use them daily while building custom marine switch panels and electrical systems. That hands-on experience helps us select products that actually perform well on boats. Instead of sorting through generic electrical parts, you’ll find marine-grade components chosen specifically for reliability and ease of installation.

If you’re planning a boat wiring project, this section brings together the essential components used by marine electricians and installers to build clean, dependable electrical systems.