Originally Posted by
phil kaznowski
supplying a standard 3 prong 4 receptacle outlet.
Phil,
I suspect you are referring to double-gang duplex grounded receptacle outlets (3 prong = grounding type and 4 receptacle = 2 duplex).
There is nothing wrong with that provided that the breaker is in the appropriate space in the panel. Typically, they manufacturer specifies which spaces are allowed to have those breakers installed, and it could be any of all the spaces, or it could be limited to just certain spaces.
You would need to look at the wiring schematic on the panel (typically on the cover) and read what it states.