This twinned wire is REALLY helpful for keeping all of your connections tidy within the locomotive. There are certain products that, either due to the weight or the size, cannot be combined with others.
DCW-KBK DCC Concepts Kynar Wire - 2m Black
DCW-32TSET DCC Concepts TWIN Wire Decoder Stranded 6m (32g) Assorted Pack
DCW-32YBT DCC Concepts TWIN Wire Decoder Stranded 6m (32g) Yellow/Blue
DCW-6WC25 DCC Concepts Accessory Wire 25m 7x 0.2mm 6 Core in White Sheath
DCC Concepts DCC Decoder Converter 3 Wire to 2 Wire (6 Pack) NEW
DCC Concepts - DCD-SDC3 Decoder Converter 3 Wire to 2 Wire (3 Pack) +PlusPost2nd