Lay in and Troffer Support Clip | T-Grid Box Hanger | Acoustical, Ceiling and Partitioning, Electrical | Designed for Use to Protect Multiple Wiring Junctions in Outdoor Environments Against the Ingress of Rain, Sleet, Snow and the External Formation of Ice | Installs Vertically Into the Bottom of Wood Structures for Hanging Threaded RodFurbay Electric Supp