Amazon.com: 150 Fully Insulated Nylon Quick Disconnects Connectors 12-10 (Yellow) 16-14 (Blue) 22-18 (Red) GAUGE Female and Male by A Plus Parts House : Industrial & Scientific
Battery Charger Quick Disconnect Connectors
Utilitech 16-Count Disconnects Wire Connectors in the Terminal Wire Connectors department at Lowes.com