I have a oven outlet receptacle that is rather odd See pic

t slot receptacle   Dan totem wonders pg slot

Amazon has ivory t-slot duplex receptacles Save Share Like Only the receptacle is 15 amp and that is okay to do if it's a duplex receptacle

It has a cord and plug for attachment to the electrical system, but the vacuum can't be energized accidentally It must first be plugged into a two-prong outlet Outlet Modern receptacles now have three slots for safety purposes This wasn't common practice many years ago so some older

slot stream Current 20 amp outlets have one slot in a T configuration so that the slot can take either a 15 amp plug or a 20 amp plug I suppose older Right: T-slot duplex socket The parallel and tandem socket accepts normal parallel NEMA 1‐15 plugs and also tandem NEMA 2‐15 plugs Both