Terminal block is pre-wired for easy access, just insert the wires and tighten the screws Low profile, stylish metal cover recesses into the floor when not in use reducing above floor height to 1/4 in press button to access Meets or exceeds UL 514A including scrub water test, IP44-rated protection from ingress water spray from any direction when closed Can be used with a variety of flooring types - tile, stone, wood, laminate, carpet, concrete and vinyl