NMRA DCC Plugs - DCCWiki

DCC Terms

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

General	Address Partitioning, Analog Control of Model Railroads, Bus, Cab, Can Motor, Command Control, Coreless Motors and DCC, DCC, DCC in a Box, Distributed Power, Frog Juicer, Jump Port, LCC, Layout Command Control, LocoNet, Locomotive, Multiple Unit Consisting, National Model Railroad Association (NMRA), Original Equipment Manufacturer, Phase, Power Bus, Programming Track, Quarter Test, Serial User System Interface - SUSI, Slots, Sound, Standard Dimensions, Starter Set, Turnout Motors, Turnouts, Voltage Drop, Wi-Fi Throttle, XpressNet, 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, Lighting Effects, Momentum, Multifunction Decoder Assisted Consisting, Multifunction Decoder Programming Lock, NMRA Connector, NMRA DCC Plug for Multifunction Decoders, Power Conversion, Pulse Width Modulation, Silent Drive, Snood

Non-DCC	Ammeter, Continuous Load, Digital Multimeter, FRED, Heat Shrink Tubing, Magic Smoke, Motor, RJ12/RJ25 Connector, Rail Size, 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