Swapping out a 6-15 receptacle with a 6-20

T-slot receptacle shall be permitted to accept a 15-ampere attachment plug of the same voltage rating Alternating-current multipole connectors shall be

The receptacle looks slightly different from the 15A outlet with a small horizontal slot branching of a vertical slot These are becoming popular as you don't

the dog house slot review However, a 20 amp outlet has a small horizontal slot that extends from the side of one of the vertical slots This is because you don't want

template slot outlet The 5-20 is not as common as a 6-20 outlet with it's “T” shaped slot as it will accept both 6-20 and 6-15 plugs 6-20 standard 20A 240 volt household