The CMJ450 Suspended Ceiling Plate consists of a 24"(610mm) x 24"(610mm) ceiling tray suspended by four tie wires from the true ceiling above with a fifth "safety cable" is also provided. The 1-1/2"-11.5 NPT fitting accommodates an extension column or projector mount.

• Unit has 1-1/2"-11.5 NPT fitting for attachment of an extension column or projector mount
• Includes 5 safety cables to secure the suspected ceiling plate to the ceiling
• Includes four knockout panels for AC outlet boxes (knockouts are for half-size handy boxes with flanges)
• Replaces 2'x2' suspended ceiling tile and secures to structural ceiling with tie wire