Typically used for replacement or retrofit upgrade of an existing DC servo motor for use with the Allin1DC CNC controller. You can make your own cables or buy these ready to go units to save time. High quality Cable with Polyurethane jacket, Color coded encoder cable is twisted pair with Shield and Drain for proper noise immunity. Power cable is high quality stranded copper with proper terminals at both ends for plug and play use with the Allin1DC. Both cables have thick rubber liquid tight strain relief seal at the motor end.