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 ...

I’ve shared in past columns the wonderful time I’m having helping my son with projects around his house. For several weekends now we have spent hours of quality time together while finishing his ...

Keywords: Nonstructural components (NSC). Suspended ceiling systems. Experimental tests. Shaking table tests. Dynamic behaviors. SAP2000. Roofing systems. Floor motions. Wall distortions. Analytical ...

A disconnecting means for the Class 2 supply to the power grid system for low-voltage suspended ceiling power distribution systems shall be located as to be _____ and _____ of the Class 2 power source ...

QUINCY, Mass.—Cloud ceilings—drop ceilings that don't extend all the way to perimeter walls—are increasingly popular in commercial and industrial buildings. But for fire protection, is a sprinkler ...