A drop ceiling—also known as a suspended ceiling—conceals the plumbing or electrical work running overhead while allowing easy access to those elements in the future, should any adjustments or repairs ...

Among the revisions in the 2014 NEC are some new Articles, one of which is Art. 393. As with most Chapter 3 Articles, this one exists to address a particular type of product. Low-voltage suspended ...

For most applications, ceilings are finished with drywall, mud and tape... along with the walls. However, in some instances, closing up the ceiling with drywall is neither practical nor a possibility.