20 Feet Pack, Standard 1.27mm Spaced Grey Flat Ribbon Cable 34C, 34-wire, by the Foot General Description Use this flat ribbon cable to build your own custom cables. It is available in a number of varieties, each with a different number of conductors. It is perfect for use with insulation displacement connectors (IDC). One edge of the cable is color coded, which is conventionally used to indicate pin 1 of a cable. This wire is sold by 20 foot. To receive the wire on 100 foot spools, order the bulk 100-foot spool Flat Ribbon Bulk Cable. Specifications 34-wire Flat ribbon cable Wire: 28 AWG stranded Style: UL 2651 Pitch: .05" (1.27 mm) Max Voltage: 300V