The CMA504 provides a convenient location for two outlets to power your flat panel, projector or other related equipment in ceiling mount installations.- Also functions as a great location for terminating multiple low-voltage connections- Quick and easy installation- Compatible with 1.5" NPT extension columns- Route high voltage wiring through center of extension column into box for a clean looking installation- Available as single or dual gang solution- Provides power access at installation point, great for drop ceilings