NEMA 14-50P to NEMA TT-30R RV power adapter.
NEMA TT-30P to NEMA 14-50R RV power adapter.
Sports RV 30A Generator Adapter L14-30P Locking Male Plug to TT-30R Female Connector
RV 30A Generator Adapter L5-30P Male to TT-30R Female Connector