Train transformers have one pair of screws for each output, which is generally enough for a simple layout, but once you have more than one accessory or building with lights in it, you’ll find it’s difficult to attach all of the wires to the transformer posts.
You can get more on the cheap by repurposing ground bus bars, intended for circuit breaker panels. Read more
David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.