Product review (5 stars): Great for controlling temperature!
I needed something to manage my freezer for homebrew temperature control. I have had no experience with electrical wiring before. I have worked with electronic components, but this was definitely new to me. After about 2 hours I now have a fully working controller. The wiring runs to a dual 15amp outlet in a metal box. The box is connected to the unit via 3" conduit pipe.

As long as you follow the diagram on the manufacturers website you shouldn't have any problems. The hardest part was figuring out what I needed to attach an outlet to the unit.

I used 12 gauge solid copper for my wiring. That stuff is difficult to work with (it's not very flexible). I would recommend a higher gauge (thinner wire), especially if using stranded. So all you really need is some wire, wire nuts (those things that you twist to pair multiple wires), and an outlet with a box to house it. You can get it all from your local hardware store.

I drop the temperature probe into a cup of water, and just close the freezer door (chest style) on the wire. I have plumbers putty to help create a seal around the probe wire.

All in all it was fun to get this thing up and running!