WR-BHD 2.54mm IDC Ribbon Cable Socket Connectors with Strain Relief WR-BHD cable mount IDC ribbon cable receptacle connectors with a 2.54mm pitch. These wire to board IDC 2.54mm ribbon cable receptacle connectors have a black UL04-V0 PBT insulator, gold plated copper alloy female socket contacts, a polarizing key and are supplied with additional strain reliefs.