@bigtwin , actually it was me, not @jea48 who was wondering about a 15A circuit breaker on a 20A circuit. Anyway, I am not trying to be argumentative, I was just thinking that if the circuit breaker is designed be the weakest link in the circuit I thought that making it a little bit weaker could only be further protection for the circuit.
I did a search and found this
Should a 20 amp circuit have a 20 amp outlet?
The amperage of the outlet must never exceed the amperage of the circuit. According to National Electrical Code, only a 15-amp or 20-amp electrical receptacle can be installed to a 20-amp circuit.