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. 

In several recent columns, I discussed the process of fiber optic terminations. I examined each step in detail and shared some of the things I have learned from experience and teaching students. As they say, one learns from one’s mistakes.


Data centers are energy hogs. They can consume up to 100 times more energy than a standard office building, according to the Department of Energy’s (DOE’s) Office of Energy Efficiency and Renewable Energy (EERE).

Dranetz Model 606 was introduced in 1975.

The importance of monitoring the quality of the electrical supply has increased with the ongoing push to boost uptime, productivity and profits. When carrying out business 24/7, having a process or operational interruption can negatively affect of the bottom line.

Invented in the 1980s at Eastman Kodak, organic light-emitting diodes (OLEDs) are composed of a layer of organic material situated between an anode and a cathode and deposited on a substrate.

More on Systems

 
Monitoring Systems Remotely
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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?
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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
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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
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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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Article 210 - Branch Circuits: Required Receptacle Outlets, Part X
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210.52(H) Hallways Article 210 covers branch circuits except for those supplying only motor loads. Motor-load requirements are covered in Article 430. Receptacle-placement provisions are stipulated in 210.52(A) through (H).

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Alternative Energy Storage Solutions to Take on Mature UPS Market
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Frequent power cuts that disrupt crucial operations of organizations create the need for uninterruptible power supply (UPS) systems. Companies dependent on sensitive electronic equipment require continuous, reliable power, thereby increasing the demand for power quality products.

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Splicing Optical Fiber
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It’s possible to terminate fiber optic cable in two ways––connectors or splices. Connectors install on fiber ends that mate to other fibers creating a temporary joint, or connect the fiber to the transmitter or receiver of a piece of network gear. Splices are used for permanent joints.

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