Shelf standards and clips weight limits?
I am going to build a cabinet for my kitchen that will go above the range / fridge. It'll be a very simple style as I want it to match the handmade (well, more like homemade) ones from the 50s or so that are currently there. I know it will be better than the HD special that the POs put up that looks ridiculous and doesn't use all the available space - which in our tiny kitchen is already at a premium. This will be my first attempt at building something from scratch, other than trim, so I would like to do it properly.
I plan to use 3/4" plywood, both for the boxes and the shelves. Ideally, I would like to standards and clips/brackets so that they can be adjustable, if needed. Is there a good rule of thumb for how much weight they can support over a given distance?
I would be fine putting in extra if it made it more solid, but I don't want to go overboard unnecessarily.