A marine electrician installs, maintains and repairs the electrical systems on boats, including wiring, batteries, charging systems, navigation electronics, lighting and safety equipment. Because boats operate in a wet, corrosive, constantly moving environment, marine electrical work follows different standards to household or automotive wiring.

A marine electrician works to marine-specific standards designed for saltwater exposure, vibration and constant movement, using tinned marine-grade cable and corrosion-resistant fittings that standard automotive wiring doesn't use. An auto electrician without marine experience can end up building a system that fails faster or isn't safe at sea.

Most boat owners benefit from having their electrical system checked at least once a year, or before any significant trip, since corrosion, loose connections and battery wear can build up quietly over a season. Boats used offshore or stored near saltwater often need more frequent checks.

Common warning signs include flickering lights, a battery that won't hold charge, corroded terminals, tripped breakers, or electronics that cut out intermittently. Any of these are worth having checked before they leave you without power on the water.

If you're planning to take a boat further offshore, it's worth having the electrical system reviewed first, particularly charging capacity, battery banks and navigation and safety electronics. A system that's been fine for coastal trips isn't always ready for longer passages or rougher conditions.

Yes, having a boat's electrical system inspected before purchase is a sensible step, since faults aren't always visible and can be costly to fix later. Get in touch to check what a pre-purchase electrical check with Ocean Electrix would involve for your boat.