I ran a 30 amp line to the outside wall of my garage where the Lexi is parked. Its plugged in 24/7, and I keep the fridge on also. Handy when I want to do maintaince, have power to the outlets and ac.
To those who worry, think about all the rv's that are full timing--those units are running 24/7. And why would you worry about the unit being plugged in when your not there? Do you unplug when your rig in a campground and leave your rig ?
Up to the owner, but mine always stays plugged in.