Boat Wiring App & Marine Electrical Diagram Builder

Create boat wiring diagrams, pick the right AWG wire sizes, fuse ratings, and simulate loads, solar, batteries, alternators, and DC-DC chargers. Built for DIY marine electrical projects, cruisers, and refit planners.

• Design marine DC wiring layouts with batteries, fuses, bus bars, inverters, and solar.
• Wire sizing guidance with voltage drop estimates and fuse recommendations.
• Scenario simulation for load, solar, alternator, and battery state of charge.