In my shack, 99% of my gear is all 12v powered, which is good for a few reasons: Single Power Supply – This increases efficiency, as I’m only getting the losses of a single supply. Safety – Mains voltages are dangerous, I’m not fond of working on such equipment. Portability
Here is a teardown of the Datakom DKG-171 generator transfer controller. Here is the front of the unit, with the pictogram of the system, the indicator LEDs & the generator test button. The rear of the unit features the connection points for the mains, generator & generator control I/O.