Quote Originally Posted by bigrich0086
so these thermo's come jsut like a hsoue one jsut need to wire a cord to it thats it
More or less...the Ranco/Johnson can be bought "raw" meaning you do all the wiring - or pre-wired which will have a wall power cord and a the plug in end already wired up.

The helix/herpstats come in 2 flavors (grounded and non-grounded) but they are all wired to go out of the box.