Factory terminated devices and connectors mean that device installation is the same regardless of skill level of the installer. The UL listed connectors are keyed to ensure proper wiring installation into each hospital grade receptacle. The connector simply snaps into the back of the device no fussing with wires, stripping or tightening screws. PlugTail® devices are finger safe with no exposed terminals, so taping is not required. Now installation is a snap PlugTail® .The toughest and safest hospital grade receptacles available.