Threaded for rigid conduit and IMCUse with all types of insulations at all voltagesThe fastest and easiest type cable support to installThe knurled insulating inner surface and one piece impregnated hardwood pOZi-grip plug provide positive support well in excess of code requirementsBody only can be ordered separately, for installation prior to wire pulling, plug only can be ordered later, once wires are in placeIf mounting on a non-metallic/non-grounded conduit, a LayIn-Lug™ grounding lug should be mounted on cable support bodyFor threadless rigid conduit, threadless IMC, or EMT, the body can be attached to the male threads of a set screw or compression connectorFor PVC conduit, use a PVC terminal adapter