Haven’t purchased units yet but want to have wiring ready for when I do! I’m wanting to run a single wire from the battery to a switch in bilge, then from switch to a fuse block that I’ll locate somewhere around the console! Run wiring from it, to the bow! So all units and Ethernet switch will be ran to the fuse black! What size and what kind of wiring do you recommend? What fuse block are most of you using? Would I need to install a fuse between the battery and shut off switch or between shut off switch and the fuse block?