INSTALLATION: Floor boxes should be installed by a qualified professional. Floor outlet comes with detailed installation instructions and two types of accessories for desktop and floor installation. APPLICATIONS: For use on hardwood floors, carpeting, tile floors, and granite, marble kitchen countertops. Can be installed in residential or commercial environments such as conference rooms, lobbies, waiting rooms. SAFETY: Bottom height: 80mm, allow enough sapce for installation, avoid wire crowding caused short circuit CONFIGURATIONS: Floor outlet cover with stainless steel, 20A Tamper Resistant Receptacle Outlet and USB chargers. Easy to use: Pop up receptacle, No more extension cord, No more stumble. Dampers makes the product open slowly and more elegantly.