Not even the Environmental Protection Agency (EPA) knows exactly how much construction and demolition (C&D) waste material the United States generates each year. Not federally regulated, C&D debris classified as nonhazardous is managed at the state level.
For the firms on EC&M's 2012 Top 50 Electrical Contractors list, being able to take advantage of last year’s turnaround in the construction industry, albeit slow and spotty, largely depended on the market sectors and geographic areas in which they worked.
The ability to accurately measure and compare the energy use of commercial buildings is critical to improving their performance and increasing standards of efficiency. The compilation of performance data for the purposes of comparison and analysis will ensure new benchmarks.
Abstract: In this webinar, Mike will not only explain the current NEC requirements for GFCIs and AFCIs, but he'll explain how they operate, what causes their premature failure, and when they won't provide the safety protection you might have thought they would.
Arlington’s extra heavy-duty, plated steel fan/fixture box now has higher weight ratings…150 lbs for fixtures and 70 lbs for fans…when installed on joists spaced 16” on center…and 70 lbs for either a fan or fixture on joists spaced 24” on-center!...More