Electrical outlet question

Electrical outlet question t slot receptacle T-slot receptacle shall be permitted to accept a 15-ampere attachment plug of the same voltage rating Alternating-current multipole connectors shall be twin fire slot machine A four year old house had several of the ground pin holes blocked in the outlets by a couple of little brass pieces I couldn't plug a three

twin fire slot machine These receptacles have spring-loaded shutters that close off the contact openings, or slots, of the receptacles

tropicool slot 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 slot sticking out of it that shapes it into a T This makes it easy to spot when you are on a locationtech scout It's important to note