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Im sorry for this beginner question but I just bought a used legacy 990 set and it appears like new. I am using a powerhouse 180 brick going to a TMCC direct lock on and then onto my fast track layout for power. I know that I need a wire to go from the Legacy base to the TMCC lock on but there was nothing included in the used set. What size wire would be best? I just want to make sure I do this right and not hurt anything.
Also, can I plug the power supply for the Legacy base into a grounded heavy duty power strip or does it have to be plugged directly into the wall? The power strip is grounded and wall access is limited.
Any help or recommendation will be greatly appreciated!

Steve8F986E3B-3376-421B-9B91-E35A037E6880

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Pete,

The TMCC Direct Lockon (6-34120) has a terminal specifically for the purpose of connecting the antenna wire from the command base.  It seems odd, but it's there:

2021-04-06_13-33-54

Steve -- The wire carries only a radio signal, not a lot of current.  Use whatever's convenient.  22 or 24 Ga wire would be fine.

As far as the power strip goes you won't hurt anything by trying it.  It must have grounded outlets however, and I think you implied that it does.  The ground connection, i.e. the ground pin on the command base's wall wart, is the second antenna wire in the TMCC radio system.  One TMCC antenna connection goes to the track (in this case the wire from the command base to the direct lockon), and the second goes to to earth ground through the ground pin on the wall plug portion of the wart.

If for some reason you have problems later, primarily if you see only intermittent success when you send commands, from your Cab 1, 1L, or 2, you can then try plugging the wall wart directly into the wall outlet.

Mike

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Last edited by Mellow Hudson Mike

It shouldn't but I always use solid for this kind of thing to make sure that none of the strands in stranded wire accidentally touch adjacent metal -- the resulting short circuit would surely kill the signal, and might also burn something up.   If you're going to use stranded it would best to twist and tin each end with solder, ensuring that there are no stray strands.

M.H.M.

Last edited by Mellow Hudson Mike

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