Just as an aside, in 2018 I originally used the supplied fixed voltage plugs that came with the four O22's I bought from Tinman. At the time I was using a KW transformer for track, and a 1033 transformer for fixed 16 volts to operate the switch. The two transformers were phased properly, and their commons connected.
Long story short, the KW really was unhappy about it. It would put out faint wisps of white smoke that smelled like beef jerky. The breaker never tripped, but something wasn't right. Through the help of Rob & several other forumites, it was determined that for whatever reason, the part of the fixed voltage plug supplied by Tinman that powers the center rail, was shorting out the KW.
As soon as I disconnected the power for the switch's center rail (black wire) on the fixed voltage plug (bootstrap in Tinman lexicon) all was well again. Now I use only the red wire that powers the switch motor.
Your results may vary, and certainly nothing against Tinman-great guy...just wanted to let you know about my possibly unique situation.
Tom
