Circuit Breaker vs Fuse on a Boat
Circuit breaker vs fuse on a boat: how each protects wiring, pros and cons, trolling motor breakers, DC ratings, sizing and when to choose…
Read moreWiring, Fusing & Switches
How to Wire a Dual Battery Switch (1-2-Both)
Dual battery switch wiring for boats: 1-2-Both-Off switch layout, step-by-step wiring, fusing, ACR and DC-DC options, lithium tips and common mistakes.
Read more
Series vs Parallel Battery Wiring on Boats
Series vs parallel battery wiring on boats: how each changes voltage and capacity, 24V and 36V trolling banks, house banks, series-parallel and safety rules.
Read more
Marine Battery Fuses: MRBF, ANL and Class T Explained
Marine battery fuse guide: why the main cable needs a fuse, how to size it, MRBF vs ANL vs Class T, where to mount…
Read more
Why Tinned Copper Wire Matters on a Boat
Why tinned copper marine wire matters: how corrosion attacks bare copper, stranding and insulation ratings, color codes, sizing and where to use it on…
Read more
Marine Battery Cable Sizing: Amps, Length and Voltage Drop
Marine battery cable size guide: how to choose wire gauge from current, round-trip length and voltage drop, with worked examples and ampacity checks.
Read more
How to Add a Second Battery to Your Boat
How to add a second battery to a boat: choosing the battery, switch vs ACR vs DC-DC charging, mounting, wiring steps, fusing and lithium…
Read more
Negative Bus, Grounding and Bonding Basics
How a boat negative bus works: DC grounding basics, sizing the negative busbar, shunt placement, bonding vs grounding and common wiring mistakes to avoid.
Read more
Marine Battery Wiring: The Complete Guide
Marine battery wiring guide: series and parallel layouts, cable sizing, fuses, switches, terminals, busbars and grounding, with a safe step-by-step approach.
Read more