Emt Conduit 1 Hole Click-on Strap | 2.86 in Length X 0.87 in Width X 1.5 in Height, 3/8 in Dia Hole, for Emt | Passive Infrared Sensors That Automatically Control the Lights in an Area. These Sensors Detect Heat From Occupants Moving Within an Area to Deterine When the Space Is Occupied. Combines a Maestro C.l Dimmer With an Occupancy Sensor. Controls Cfl, Led, In | Provide Access for Pulling Conductors; Enable Change in Direction in Conduit Runs; Compact Design Allows Use in Areas With Limited Space; Provide Future Access for Maintenance and Wiring Changes; Compact Design; Precision Ground Flange; Blind Drilled and TFurbay Electric Supp