Parkworld 885446 NEMA TT-30P to L14-30R Adapter Cord, RV 30A TT-30 Male Plug with Handle to Generator 30A 4-Prong L14-30 Female Receptacle - Walmart.com
Parkworld 885446B NEMA TT-30P to L14-30R Adapter Cord, RV 30A TT-30 Male Plug with Handle to Generator 30A 4-Prong L14-30 Female Receptacle 25 ft. Work Lights - Newegg.com
Superior Electric RVA1590 30 Amp Male NEMA L14-30P to 30 Amp Female NEMA TT-30R Adapter Plug for RV
Splitter Power Cord Locking L14-30 Plug to 2 Way Locking L14-30 Connector 10 Feet 30a/250v 10/4 SOOW
STARELO 2PCS Locking Plug for Generator NEMA L14-30P Extension Cord En
Conntek PL1420L1430 NEMA L14-20P to L14-30R Pigtail Adapter