Battery Disconnect Switches: Where and Why
Battery disconnect switch for boats: why you need one, rotary vs key vs remote switches, ratings, where to mount it and how to wire…
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Voltage Drop on Boats: The 3% and 10% Rules
Voltage drop in boat wiring: what causes it, why it slows trolling motors and resets electronics, how to measure it under load and how…
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Marine Wire Color Codes Explained
Marine wire color codes explained: ABYC DC colors for positive, negative, bilge, nav lights and more, plus AC colors, labeling tips and common mistakes.
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How to Crimp and Seal Battery Lugs
How to crimp battery lugs for boats: choosing lugs, cutting and stripping cable, crimp tools, heat-shrink sealing, pull tests and common mistakes.
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Marine Battery Terminal Types: Studs, Posts and Wing Nuts
Marine battery terminal types explained: SAE posts, threaded studs, dual-terminal batteries, wing nuts, ring lugs, stacking, torque and corrosion care.
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Bus Bars and Power Distribution Blocks Explained
Marine busbars and power distribution: positive and negative busbars, fuse blocks, distribution posts, sizing, layout and wiring tips for boats.
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Wiring 12V Accessories to a Boat Switch Panel
Boat switch panel wiring: how to feed a panel, fuse or breaker each circuit, wire switches and LEDs, size wire, label circuits and avoid…
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Fusing Lithium Banks: Interrupt Ratings and Class T Fuses
Class T fuses for lithium boat batteries: why interrupt rating matters, when you need one, sizing, mounting near the battery and common installation mistakes.
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Wiring Batteries in Parallel for Balanced Charging
How to wire batteries in parallel on a boat: diagonal connections, equal cables, matching batteries, fusing, lithium parallel rules and common mistakes.
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MRBF Terminal Fuses: Fusing Right at the Battery
MRBF terminal fuses explained: how they mount on the battery post, sizes and ratings, when to use them, installation steps and common mistakes on…
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