Premier Mounts 12 Inch x 12 Inch Ceiling Plate

Premier Mounts 12 Inch x 12 Inch Ceiling Plate.This 12 x 12 adapter plate has a 2 threaded coupling for national tapered pipe. It is used for concrete mounting surfaces, in conjunction with Premier's wide-top adjustable-height suspension adapter (APM-2446-WT) for drop distances of more than 3'10. Pipe coupling is slotted for safely routing signal cable through pipe interior...