Huh? Who said anything about a MWBC?
If there is more than one “receptacle” on a circuit, and a duplex receptacle is considered two in this case, then you CAN use 15A receptacles on a 20A circuit. Simple as that.
Huh? Who said anything about a MWBC?
If there is more than one “receptacle” on a circuit, and a duplex receptacle is considered two in this case, then you CAN use 15A receptacles on a 20A circuit. Simple as that.