It has been stated by a few the importance of mechanical limit switches on your actuator. One of my Thomson/Saginaw actuators has a nice set up under the cover. The other does not. Looking at the set up and putting the circuit on paper the operation was easy to understand. I have many different thoughts of building something, but have not totally decided on just what to come up with. My main thought is making sure to keep the weather away from the installation. Has anyone actually set one up and willing to share what they came up with?