Quote Originally Posted by Andy Delle View Post
AFAIK, AFCI is not retroactive unless a new circuit is pulled from the panel. So why not just install replacement 2 wire receptacles and be done with it? I would also think replacing a 2w with a 3w GFCI would also avoid the AFCI requirement.
On the contrary, in recent Code cycles AFCI is required if a circuit is extended to a new device or the wiring of an existing segment is extended more than 6'.
This can include just replacing a receptacle with a new one.