How To Add Tension To A Cord Reel The Right Way

One of the madlad electricians at work made a 150 foot retractable ethernet cable. Thought it belonged here : r/pcmasterrace

Griot's Garage Retractable Extension Cord Reel, 45-Foot

Retractable Cable Reel

DEWENWILS Extension Cord Storage Reel ( Without Cord ) with 4-Grounded Outlets, for 12/3,14/3,16/3 Gauge Power Cord HCRB00D

Geevorks Retractable Extension Cord Reel, 50+4.5FT Electrical Power Cord Reel, 12AWG 15.6A, 3C SJT with Grounded Triple Tap Outlet, Wall/Ceiling Mount

Pack of 2-50 FT Retractable Extension Cord Reels - Ceiling or Wall Mount Retractable Extension Cords - 14 Gauge Power Cord Reels w/ 3 Outlets - 13A

DEWENWILS 25 ft. 16/3 SJTW 13 Amp Hand Wind Retractable Extension Cord Reel with 4 Grounded Outlets, Yellow & Black HCRB25A - The Home Depot

925339-1 LumaPro 80 ft. Extension Cord Reel; 120 VAC; Yellow Reel

VEVOR Retractable Extension Cord Reel, 65 ft, Heavy Duty 12AWG/3C Sjtow Power Cord, with Lighted Triple Tap Outlet, 15 Amp Circuit Breaker, 180°

Electric cord reel manufacturer & supplier-SUPERREEL