Micro Structures
Power Distribution Board

Walthers Part # 502-4805, p. 300 Walthers 2012 HO Scale Reference
A scale, $15.95, currently in stock at Walthers

 
Ideal for powering multiple signs, 502-4802 & 4803 plug directly into the board and the #502-4804 converter module hooks into the red and black terminals. Powers up to 10 signs and includes instructions and mounting hardware. Measures: 4-7/16 x 2-1/4"