The new interior height was intended to narrow the cubic foot competition with highway trailers at the time

it will fit in a 5 x 9 footprint

The connector size is a remarkable 1/8 square

This is a Train Control Systems 1225 20' of 32 Gauge Wire

Broadway Limited 4230 HO Burlington Northern EMD SD7 Paragon3™ #6004 DwDetails-1.90-1.40-9.00-5.00-5.00-1 The new interior height wasThis is a Broadway Limited 4230 HO Scale Burlington Northern EMD SD7 with Sound& DCC Paragon3 #6004 (Cascade Green, black, white). Features: New Paragon3 Sound & Operation System Featuring Rolling Thunder with Authentic Sounds and Prototypical Operation in both DC and DCC environments, Factory InstAlled Engineer Fireman Figures, Variable Puffing Smoke Intensity and Timing, Locomotive Composition: ABS Body with Diecast Chassis, Couplers: (2) Operating