Amazon.com: 30ft RV Extension Cord 30 AMP (TT-30P/L5-30R) with Twist-Lock Connector and Grip Handle, Hook and Loop Strap - STW 10/3 AWG 125 Volt - Heavy Duty - by LifeSupplyUSA : Tools
ABN L5-30R Connector w/ Twist Lock Inlet Plug Power Cord Cover & Ring 30A 125V - Walmart.com
RV Power Cord Adapter 15 Amp Male to 30 Amp Twist Lock Female Trailer Motorhome | eBay
15 Amp RV Power Adapter Cord,Twist Lock Swivel Into Socket,12Inch – aoweitour
Kohree 50 ft RV Power Extension Cord | 30 Amp Male to Female Twist Lock Connector
Amazon.com: RV 30 Amp to 110V Power Adapter with Twist Lock Connector for 30A RV Camper Trailer,NEMA 5-15P to L5-30R Plug Adapter,30 to 15 Amp RV Plug Extention Power Cord,STW 10/3,12-inch :
25 foot 30 Amp RV Extension Cord Twist Lock With Signal Light Trekpowe – trekpower