Tools of the Trade

Teignford is now in the process of being finally wired. The changes are necessary due to the layout being changed from a continuous circuit to a Terminus/Fiddleyard layout.
Electrics are not my strong point- I usually make it up as I go along, working from main feed to each section until something like the operatioan capabilities are achieved.
Amberly products supplied this little gizmo. It saves having to test each part with a voltmeter or loco.
You just pop the contacts on a poitive and negative rail and it lights up depending on the polarity. Simples!