50 Feet Pack, Standard 1.27mm Spaced Rainbow Flat Ribbon Cable 40C. 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). Cable is color coded for easy connection and identification. This wire is sold by 50 foot. Specifications: 40-wire Flat ribbon cable Wire: 28 AWG stranded Style: UL 2651 Pitch: 0.05" (1.27 mm) Max Voltage: 300V