The ACC570W Round Ceiling Plate is compatible with all Peerless-AV® projector mounts and many Peerless-AV TV mounts (see maximum load warning) with 1-1/2" 11.5NPT fittings.
Features cord management access hole
Mounts to wood joist or structural ceiling
Unit has 1 1/2" 11.5 NPT fitting for attachment of extension column