I have been involved in all sorts of power generationand distribution systems both high and low voltage and ranging fromdiesel generators, shaft driven, by trawler sized engines through hugerooms full of DC lead acid batteries to minute integrated circuitsystems.
I am BS7671:2008 - IET 17th edition qualified and before that was 16th edition
I am also a British Marine Electrical Technician [BMET]
I am happy to advise, design, procure, install and commission electrical systems for boats of all sizes.