BestCarGurus | 20 Ft. Outdoor Vinyl Extension Cord ~ bestcargurus
Amazon.com: NEMA L16-30 Extension Power Cord - 10 Foot, 30A/480V, 8/4 SOOW - Iron Box # IBX-7103-10 (10 ft) : Electronics
AC WORKS 25ft NEMA 5-20 Cord 25-ft 12 / 3-Prong Indoor/Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
AC WORKS 30-Amp 277/480-Volt NEMA L22-30p 5-wire Grounding Heavy-duty Locking Plug, Black in the Plugs & Connectors department at Lowes.com
Amazon.com: V-MOTA Pro Audio HD 25 Special Edition Cable Extension Cord with 6.35mm Adapter Compatible with Sennheiser HD 25 Aluminium,HD25-1 II,HD 450 II,HD 480 Classic,HD 530 II,HD 540 II,HD 560 II Headphones :
Amazon.com: V-MOTA Pro Audio HD 25 Spring Coil Cable Extension Cord with 6.35mm Adapter Compatible with Sennheiser HD 25 Aluminium,HD25-1 II,HD 450 II,HD 480 Classic,HD 530 II,HD 540 II,HD 560 II Headphones :