I have not but you absolutely do not want to spray anything in the outlet directly.
At most, lightly spray a plug and use multiple insertion cycles. Wipe the face of the socket and plug thoroughly. Of course, do all of this with the breaker off.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.