25 ft. x 10 Gauge Four Prong Twist-Lock 30A L14-30 Generator Extension Cord
This is how i got people to stop stealing my extension cords. I added an uncommon 110v twist-lock plug. (I lock up the short segment inside my toolbox) : r/lifehacks
25 foot 30 Amp RV Extension Cord Twist Lock With Signal Light Trekpowe – trekpower
LED Extension Cords Twist Lock Connection – Goodlite
How to Rescue an Over-Twisted Power Cord : 6 Steps (with Pictures) - Instructables