1/2 in. x 25 ft. Cord-Protector Wire-Sleeve Tubing
10 ft. 3-Channel Floor Cord Protector in Black – Denali Building Supply
4-foot Cord Cover - Floor Cable Management Kit For Indoor Or Outdoor Use - 3-channel Cable Raceway For Sidewalks Or Walkways By Simple Cord (brown) : Target
Cord Protector - 25', Standard, Black H-9961 - Uline