I'll be giving one of these a try in the next month or so. This interlock offers a few advantages that I can see, namely, my customer does not have to make up his mind which circuits he wants on a separate panel. This interlock is also going to be handy due to a lack of space to mount another panelboard.

That better idiot mentioned above probably lives here in the Mountain State. We seem to lead the nation in the bad categories & trail in the good ones.

Tom

Few things are harder to put up with than the annoyance of a good example.