I would say that 90% of my house has updated romex wiring but there are still a couple of light switches and outlets using K&T. I just repainted the inside of the house and updated all the outlets and switches but I have left the old K&T switches/outlets alone because they just dont look the same... those 70 switches are gnarly looking. Anyway, my question is... can I put modern light switches and outlets on those old K&T wires? Do I need to do anything special to do that? Do I need special switches or plugs? Thanks in advance guys... I read all the K&T threads and I couldnt find one where this question was asked.

By the way... the casing around the K&T is in great shape... at least the wiring I can see