Supco T1027 Quick Disconnect, Insulated, 16-14 Gauge, 1/4" Male/Female Piggy-Back Tabs (Pack of 10) Female tab-type electrical connector with male piggy-back connector for use in quick-disconnect applications Insulated for use where connections are in close proximity to one another Internal barrel serrations for good wire contact and maximum tensile strength Piggy-back male tab supplies additional male tab-type connector