Twizzle

Thanks for this. Moving on to CAB control. I know a single Duette can be used for CAB control i.e. a common return for both 12v DC controlled outputs. However, is it possible to combine two Duettes and use a common return for all four potentiometers without creating a short or any other problems?

Can anyone recommend how what circuit breaker type and rating to use? I'm using using H&M Duette controllers. Each zone comprises approx. 12 metres of track running single and double headed trains. The locomotives vary from old Wrenn to modern Hornby and Bachmann. The layout is12v DC analogue. My guess would be a 3 amp re-settable thermal cutout for each zone but not sure if this would be the best solution. Ideas?