NMRA DCC Plugs - DCCWiki

DCC Terms

DCC Components	Accessory Decoder, Automatic Phase Inversion, Command station, Computer Interface, Consists, DCC Booster, DCC Ready, Decoder, Digital Packet, How Digital Command Control Works, Multifunction Decoder, Power Supply, Speed Steps, Throttle, XPressNet

General	Address Partitioning, Ammeter, Analog Control of Model Railroads, Bus, Cab, Can Motor, Command Control, Coreless Motors and DCC, DCC, DCC in a Box, DMM, Distributed Power, Frog Juicer, Jump Port, LCC, Layout Command Control, Locomotive, Motor, Multiple Unit Consisting, Original Equipment Manufacturer, Phase, Power Bus, Programming Track, Pulse Width Modulation, Rail Size, Serial User System Interface - SUSI, Slots, Standard Dimensions, Turnout Motors, Turnouts with Digital Command Control, Voltage Drop, Zero Stretching

Mobile decoder	Analog Conversion, Back EMF, Decoder Connection Method, Digitrax Transponding, Ditch Lights, Dither, Driver Quartering, Energy Storage, FX Lighting, Functions, High-Frequency Decoders, Kick Start, Lenz USP, Lighting Effects, Locomotive Interface, Momentum, Multifunction Decoder Assisted Consisting, Multifunction Decoder Programming Lock, NMRA Connector, NMRA DCC Plug for Multifunction Decoders, Power Conversion, Silent Drive, Snood, XOR

Non-DCC	Continuous Load, FRED, Heat Shrink Tubing, Magic Smoke, RJ12/RJ25 Connector, Rule 17, Series Resistor, Stall Current

Primary DCC Components

Boosters · Command Station · Decoder · Power Supply · Throttles/Cabs

Short Definition

Interface between the decoder and the locomotive's wiring

The NMRA DCC Plug is one of the standard plugs used for Locomotive Interfaces. It most commonly refers to the 8 Pin DCC Plug 8-pin version but there are other versions.

1X6, 6-Pin Plug, 750mA capacity. N scale or larger.
2X4, 8-Pin Plug, (typical HO scale plug), 1.5A capacity
2X2, 4-Pin Plug, typically found in O and Large Scale equipment. Four Amp capacity.

Also see the page on Locomotive Interfaces for more details.

Pin #	Small (1X6)	Medium (2X4)	Large (2X2)
1	Orange	Orange	Grey
2	Grey	Yellow	Orange
3	Red	Option	Black
4	Black	Black	Red
5	White	Grey	N/A
6	Yellow	White	N/A
7	N/A	Blue	N/A
8	N/A	Red	N/A

NMRA DCC Plug for Multifunction Decoders