Frank used to have a 12volt fridge, which also ran off mains when alongside.
I mentioned (https://wordpress.com/post/frank-justfrank.com/306 October 2015) the fridge, which I extracted from its hole by the engine : “Most useless kit: the refrigerator. I donated this to a charity in Dartmouth. Every time I had a problem with the electrics or engine I had to haul it out of its home.”
So ever since I have had this hole, having converted the icebox to be a fridge:
I am going to finally turn it into a storage cupboard. I’ll leave access to the engine water inlet. There is a separate access door under this pic.