fuses

I have a 1987 E-35 MK-3 (Hull # 261) and some of the electrical hardware is suddenly not getting any electricity. The refrigerator isn't turning on in 110 V mode, and none of the 110 electric outlets are getting any power either. Most of the 12-volt hardware is working, but the depth, wind...

My charger (Xantrex Trucharge 20) connects to the battery bank with 8 ga. wire and a 30 amp fuse is specified. The 8 ga. is much too big for a standard in-line fuse holder. Blue Seas (among others) has quite a confusing array of different fuse types. I am not sure what the best fuse holder would...