Sven Yrvindvideo
Fuses for fail-safe.
7 April 2026 · 5 min · 2K views
What this video covers
Sven Yrvind constructs a custom electrical distribution system for his boat, focusing on mast-mounted navigation lights and fail-safe circuit protection. He fabricates a Tufnol terminal block to manage wire connections at the base of the mast, allowing for easy disconnection when lowering the rig.▶ 2:19 The design utilises ring terminals small enough to pass through the mast conduit, facilitating maintenance and mast removal.▶ 3:01 To address concerns regarding electrical safety, Yrvind incorporates inline fuses into the wiring harness for individual circuits, including the AIS, computer, fan, and navigation lights.▶ 3:38 He organises the layout based on an electrical schematic that connects solar panels through a regulator to the battery bank.▶ 4:41 The installation process involves sourcing specific M4 16mm screws and routing individual cables to their respective components.▶ 0:00 This approach ensures that each critical system remains protected while maintaining a modular setup for the mast wiring.
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