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. 

Sturgeon Electric Co. Inc. in Henderson, Colo., has been in business since 1912. It expanded into low-voltage work in 1984, when private bank exchange companies asked if it would be interested in performing their installations.


Although security has been necessary to protect people and property for decades, it is now considered part of the holistic experience with factors such as connectivity, convenience and integration with other systems.


Renovating commercial buildings that require fire alarm system updates presents many challenges. First, the upgrade that is designed and installed must comply with NFPA 72, National Fire Alarm and Signaling Code. The challenge comes from determining which edition should be followed.

Ideal Networks LanTEK III certifier

Commercial datacom networks must be certified that they are correctly installed and meet industry performance standards. That makes certification testers a basic tool for installers, and manufacturers must plan ahead to have test instruments available as standards change.

More on Systems

 
Nonmetallic Conduit for Essential Hospital Systems

The five exceptions to providing nonflexible metal raceways Providing alternate power for essential electrical circuits in a hospital is extremely important during loss of normal power.


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A Misleading Circuit

Can a 20A receptacle be placed on a 15A circuit?


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Security for the Masses

For many people, a trip to the airport is the most potent reminder of terror in our new age of heightened security. We wait in long lines to be X-rayed and metal-detected. We see guards everywhere, often accompanied by dogs.


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Fire Protection for Public Spaces
by Staff |

Fire protection typically consists of three primary features.


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Getting Physical
by Staff |

Top-of-the-line detection is everywhere Convention centers, museums, federal buildings, airports, high rises, casinos and a host of other public venues have spent the last few years either updating and improving their physical security or starting from scratch with newly installed systems.


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Wireless LANs: The New Attention-Getter

‘Hotspots’ provide high return on investment In our connected world, seeing people frantically check their e-mail before boarding a plane has become commonplace. Instantaneous communications are par for the course, which is why public wireless LANs have come into their own.


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Take Care in Installation

There’s strength in members Many electricians have their first encounters with fiber optic cabling when asked to install the cable for others who terminate and test it.


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