@Mallard4468 posted:It "should" be properly grounded, but don't assume. Here's a first step to check - use a receptacle tester like this one: https://www.homedepot.com/p/Kl...ster-RT110/206517828
Or spend a couple bucks more and get one that also tests GFI function.
It wouldn't have passed electrical inspection without proper grounding in 2005.
@msp posted:Good news is they are both bluetooth and that is sufficient for my need for speed control, couplers horn and whistle. Just eliminates any older TMCC without BT.
Score one for Bluetooth!