While suspended, lay-in ceilings have long been the norm in commercial design, the open-plenum ceiling has become trendy and economical, particularly in office and retail environments. However, ...

While exposed ceilings in office interiors lend a spacious, open feel, this trendy architectural feature has created a new challenge: finding a viable return air path. Plenum ceilings use the area ...

For the purpose of this article, the 2008 NEC and 2006 IMC codes were used as the basis for references. In today’s buildings, you can typically find a wide range of electronic equipment, including ...

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