[HayZee518]

there's a company called thomas & betts that manufacture amongst electrical fixtures and fittings an iten called unistrut. it is a solid U shaped channel with slotted holes on its underside and two backbent struts on its upper side which grip appropriate "spring loaded nuts" that can be moved anywhere along its length. T&B also make fittings like angles with holes in them for forming angles with the unistrut. the "nuts" can be gotten in the (1/4-20, 3/8-16, or 1/2-13 threaded bolt sizes.) I have used them for making on floor or rather bolted to the floor racks for 4 inch conduits consisting of 12 - 4 inch pvc conduits.