The 7864 transformer had, in addition of the main regulated outlet for controlling trains and a fixed 12v DC for plugging in remote controls and lights, a third socket available which provided 12v AC. ...
Are the two generations of 12v train compatible? Eg can you combine a "blue" remote controlled point and a "grey" 12v transformer? Main motivation for this: I have a complete "grey" set of trains, ...
I have seen the Electric, Plug Holder 4.5V/12V on bricklink a few times and have often wondered what it is for. According to Bricklink, it was only ever produced in Light Gray and appeared in 3 ...