Engine Bay Relay/Fuse Covers?

[SquadCarPathfinder]

After seeing how filthy my engine bay has been, I've been wanting to spray degreaser and power wash it. I have been hesitant though because there are plenty electronics exposed. I looked at our 1999 Maxima engine bay in comparison and it has a couple boxes and covers for the relays. I know its an older car and maybe it was something they thought of after, but has anyone made any DIY relay and fuse covers or boxes similar to ones on other newer models? If so I would like to try something of that nature.

[Slartibartfast]

I haven't had any electrical issues from washing mine. The individual relays don't have or need covers so far as I'm aware, though the box on the passenger's fender wall that has the headlight fuses and a few relays in it is supposed to have a cover. Mine came with a fussy little cover over the dizzy and another clipped over the coil, neither of which I put back on. I wash mine with just a garden hose and a sprayer end. I used to use the high-pressure jet at the car wash, but one time after doing that I found some strawberry milkshake looking schmoo in my power steering res--all I can figure is that the water pressure pushed its way around the cap. The fluid below the strainer was clear and the PS pump never complained, so I think that little plastic strainer did its job admirably. All the same, if you're going to use a pressure washer, I'd be careful around the PS res, the oil cap, and the master cylinder(s).