Amazon.com: RVMATE 30 Amp 30 Feet RV Lockable Power Extension Cord with Easy Plug-in Handle, TT-30P to L5-30R, LED Indicator, 10 AWG, ETL Listed : Automotive
30 amp RV Power Extension Cord with LED Power indictor - 30 Amp Male to 30 Amp Female Standard Plug 30 Foot
AWELTEC 30 Ft Retractable Extension Cord Reel, Ceiling or Wall Mount 16/3 Gauge Power Cord with 3 Electrical Outlets for Garage or workshop, Circuit Breaker, Metal Plate, and Hardware Included - Newegg.com