MJ Sailingvideo
The Victron Electrical Install Begins! (Major Milestone for Our Self Built Catamaran) - Episode 373
March 28, 2026 · 22 min · 29K views · Kent Island
Two crew lift green hull panel onto catamaran in workshop
What this video covers
Matt installs a 48-volt electrical system on a self-built catamaran using Victron components, including two MultiPlus-II inverters and Lynx distributors.4:26 To mount the heavy inverters onto a structural fiberglass bulkhead without through-bolting, he drills holes, de-cores the area, and uses octagonal threaded inserts set in thickened epoxy with chopped strand.5:42 This method creates a solid, removable mounting point that prevents the fasteners from pulling out.9:19 For the AC side, he installs Eaton breakers and a 50-amp ELCI/RCBO to accommodate the combined power output of the dual inverters, which exceeds the capacity of a standard 30-amp shore power connection.21:33 Separately, the crew prepares the aft guest berth overhead for vinyl paneling by marking and bonding Starboard support blocks to the fiberglass.11:00 They use a laser level to align these blocks along the hull’s curvature and plan to secure the panels using drywall-style fasteners for added strength.11:32
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