Do I need to hire a professional to install Nucleus? Jacqueline DeJesse Updated August 23, 2016 20:09 Follow While it isn’t necessary to hire a professional, we recommend hiring a professional contractor if you would like to hide the wires of wall-mounted units using a Power over Ethernet (PoE) network. Related articles What tools do I need to install Nucleus? What is Power over Ethernet (PoE)? Will Nucleus fit on my wall? Can I use Nucleus outdoors? How do I set up the Nucleus Mobile Companion App for Android? Comments 0 comments Please sign in to leave a comment.