Interlock Kit

Note how the number 10 bare copper ground wire is shaped in the rear of the generator inlet box and then wrapped around the green ground screw using the included clamp.

Installed Interlock kit on a Cutler Hammer Circuit Breaker Panel. Critical circuits are labeled with red electrical tape for fast identification during a black-out.

An inexpensive circuit tracer comes in handy when trying to identify important circuits before you have a need to turn on the generator.
Here are the holes with the screws in them and the interlock kit mounted on the front side.