Page "Ribbon cable" Paragraph 4

To make it easier to identify individual conductors in a cable ; ribbon-cable manufacturers introduced rainbow ribbon cable, which uses a repeating pattern of colors borrowed from the standard resistor color code ( Brown is pin 1 or pin 11 or pin 21, etc.

Red is pin 2 or pin 12 or pin 22, etc .).

It is often known affectionately to its users as " hippie cable " due to its distinct appearance.

However, this has remained a specialized and relatively expensive product.