ClosetMaid 1/4 in. White Shelf End Caps for Ventilated Wire Shelving (20-Pack) 21016 - The Home Depot
Twist-on wire connector - Wikipedia
Vinyl Wire Tube End Cap|Elecmit Electrical Co., Ltd.
Amazon.com: Beadalon Flat Memory Wire End Cap, 0.19 in x 0.15 in, 5 mm x 4 mm/Silver Plated, 10 pc : Arts, Crafts & Sewing
Amazon.com: Beadalon Memory Wire End Caps, Variety Pack, Silver Plated, 24 pc 3 mm, 24 pc 4 mm, 12 pc 4 mm Corrugated, 12 pc 4 mm Sparkle : Arts, Crafts & Sewing
ClosetMaid ProPack Small and Large Wire Shelving End Caps (350-Piece) 2186600 - The Home Depot
Superior soft PVC raw materials-Vinyl Wire End Caps-oppder
Plastic Rubber Electric Vinyl Wire End Cap Wire Rope PVC Cable End Caps - China Protective Cap, PVC Cable Cap | Made-in-China.com
3M Cable End Caps for Energy | 3M United States
10 End Caps For EL Wire - 1.3mm, 2.3mm, 3.2mm or 5mm | eBay