Systems

 

 

Integrated electrical and low-voltage systems of all types—inside and outside a building—encompass the range of work that electrical contractors do. The articles in this section highlight different types of work, from security, fire and life safety, to traditional electrical power and distribution, to lighting, cabling and more. 

The years leading up to 2016 were transitional for the security industry. As products and services continue to move to the cloud, the industry has been hard at work learning the morphing landscape and how to best approach the new wave of opportunity emerging from every front.

In the past year, fiber optics underwent some important developments, some technical and some market-related. For those of you working in fiber optic network design and installation, the changes present opportunities and challenges.


This article is the first in a series that provides a step-by-step approach for performing arc flash calculations.
 Arc flash studies and software


I often give my power quality (PQ) 101 course to new engineers or salespeople. This introduction starts with the basics: an overview of PQ phenomena based on IEEE 1159 Table 4.2 followed by Ohm’s and Kirchhoff’s laws and how they apply to power quality.

More on Systems

 
'Standards Compliant' in the Residence

 Moving toward standardization Certain elements of the installation of wiring/cabling for residential low-voltage systems are on their way to becoming “standardized,” or at least looked at as benchmarks. Here is a closer look at some guidance for a “standards compliant” installation.


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Monitoring Systems Remotely

Advances in technology have made the remote monitoring of commercial building systems both possible and economical.


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Can You Buy at Auction?

January’s column discussed how companies that hire construction contractors are using reverse auctions to drive prices down. It is electronic bid-shopping with a sophisticated veneer. Can you use reverse auctions to buy material or services? First, reverse auctions are not a good way to buy.


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Emerging VDV Applications

Technology convergence means practical solutions A fiber optic system guards Naval operations on the Atlantic coastline. A corporate executive shoots video and transmits the live images instantly, across the country.


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CCTP Technology Converges Security with IT

A new closed circuit over twisted pair (CCTP) surveillance system developed by data communications distributor Anixter Inc., in conjunction with manufacturer partners Philips CSI, Belden Wire & Cable, and Middle Atlantic, effectively melds digital closed circuit (CCTV) technology with a local ar


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Virtual Viewing with CCTV

Networking and digitization continues to revolutionize closed-circuit television (CCTV) surveillance. Systems can be scaled to the application and integrated with other voice-data products to satisfy a host of needs that range from security and video management to identification and accountability.


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