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

 
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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Card Access with All the 'Smarts'
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In access control, the innovation never stops. In the cards themselves and the readers, technology has stepped up to provide the highest levels of security ever.

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Fiber's Biggest Enemy
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Your mother was right--dirt is bad. Cleanliness can be next to impossible on the jobsite, but when it comes to fiber optics, it's mandatory. The problem is simply that fiber itself is small, about the size of a human hair.

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Simultaneous Disconnects, Generator Wiring and More
by Staff |
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CODE CITATIONS Article 100 Definitions Article 210 Branch Circuits Article 230 Services Article 250 Grounding Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 445 Generators Article 518 Places of Assembly Disconnect for multiwire branch circuit Q: There was a requirement in the

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