This extension cord cover is the only one on the market that we could find that works for thick RV cords. Though it isn’t perfect, its clever design keeps your extension cords up off the ground, protecting them from wear and tear, the sun’s harmful rays, and preventing potential tripping hazards. Made in the USA, this sturdy cover is designed to hold 30 and 50 amp cords off the ground with an open bottom, perfect for your RV’s power needs.