Electrical
https://store.marinebeam.com/
https://www.practical-sailor.com/issues/37_82/chandlery/Converting-an-Anchor-Light-to-an-LED-Tricolor-Light_12280-1.html
12Volt Doctor’s Practical Handbook
Guide to good soldering practices and common problems
Marinco Boater’s Guide to Electrical Systems
Ship 2 Shore PLID – Penetrant, Lubricant, Inhibitor, Dielectric
Coastal Climate Control – Marine Cooling Systems
The Marine Electrical Electronics Bible-1993
West Marine Ampacity Wire Sizing Guide
Causes of Boat Fires – i include it in this section because 55% of boat fires are caused by electrical problems.
Solar
Ocean Planet Energy Inc. – Marine Energy Systems
Light Emitting Diodes – LEDs
Batteries
MaineSail on the 1 Both 2 Off Switch