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. 

I suspect that the idea of employing anaerobic adhesives for fiber optics came from someone using Krazy Glue or the two-part adhesive made to fix a car’s rearview mirror after it fell off in the hot summer sun.

In solar installations, ranging from rooftop panels and larger community- and utility-scale arrays, photovoltaics (PVs) are becoming increasingly important to our energy supply.

Damaged dog-fence power source

Lightning is the biggest cause of damage and destruction of electrical and electronic equipment in industrial facilities, commercial buildings and homes, as stated in the 2008 report by the U.S. National Lightning Safety Institute.

Historically, security system installations have only mandated acceptance testing as the last requirement for a project to be deemed completed.

More on Systems

 
IT Professionals Concerned about WLAN Security
by Staff |
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Ft. Lee, New Jersey, Nov. 11, 2002––ReefEdge, Inc., an industry leader in wireless network infrastructure solutions, today announced the results of a Wireless LAN (WLAN) survey of 935 IT professionals conducted via the company's website. Wireless LANs were widely deployed among the respondents.

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Popularity of Green Power Growing in the Northwest
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By Rick Laezman When given the choice, a growing number of retail customers in the Northwest prefer renewable energy to fossil fuel generated power.

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NECA/IBEW Announce Web Site Dedicated to VDV
by Staff |
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SAN JOSE, CA (Nov. 12, 2002)––The fastest growing segment of the electrical industry in Northern California, voice-data-video (VDV), now has its own web site, posted today as www.norcalvdv.org.

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Fiber Is Tougher Than You Think
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Fiber optic cable has typically been categorized as fragile,like glass, which the actual fiber is, of course. But unlike drinking glasses that break when dropped or windows that lose every battle with a kid's baseball, glass optical fiber is incredibly strong and flexible.

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Generators and GFCI, Pool Wiring, Inspection Questions and More
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CODE CITATIONS Article 225 Feeders Article 230 Services Article 250 Grounding Article 408 Switchboards and Panelboards Article 445 Generators Article 680 Swimming Pools, Fountains and Similar Installation Systems NFPA 20 1999 Standard for the Installation of Stationary Pumps for Fire Protection Grou

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Intelligibility--What Did You Say?
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How many times have you been to a large corporate complex and struggled to hear an announcement on the public address system? Now consider the same sound system and the dangers when the listener is instructed in emergency evacuation procedures.

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