Power connections are made through the bar couplings to supply power to the trailer cars, which have internal lighting. This has been arranged to allow the internal lighting to be separately controlled in DCC operation. Bar couplings with through power connections and spare corridor connections for the cab ends are supplied.
21-pin decoder socket, Use Bachmann 36-554 or Lenz Silver 21 decoders for DCC conversion. Bachmann have arranged the wiring on these units with through connections, allowing lighting in both end cars to be controlled by one decoder.
These 4-car units were built along with the CEP units, the BEP sets including a buffet car in the formation and freqently running with CEP units in 8 or 12 car formations