Tripp Lite PDUs and Transfer Switches Refurbished Used: NetworkTigers offers superior, dependable, seller refurbished and used Tripp Lite PDUs and Transfer Switches. All refurbished and used Tripp Lite Tripp Lite PDUs and Transfer Switches we sell is fully examined by trained techs and returned to the Tripp Lite's original detailed standards. We can overnight this reliable, extensible, Tripp Lite Tripp Lite PDUs and Transfer Switches to your location.