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. 

by
Staff  

Now that we have covered the process of stripping the fiber and attaching the connector with an adhesive, the connector is ready to polish. The biggest problem with polishing a fiber optic connector is patience.

The use of Building Information Modeling (BIM) in medium-to-large construction projects is becoming more common. Yet, much of the design software still favors contractors other than electrical.

The fountains and walkways of the healing garden are illuminated by LEDs.

In the healthcare-lighting arena, the improvements and increasing affordability of light-emitting diode (LED) products, along with advancements in lighting control technology, enable creative lighting designs that benefit patients and staff members.

In preparing to write my next article, I often review the topics I have covered in the past year or so, and I consider the issue’s theme.

More on Systems

 
Code Question
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Question: I know you have addressed the practice of using 15 amp rated conductors for switch legs in residential 20 amp lighting circuits. I still have electricians saying it meets code. Will you try again? Thanks, Don Stephens Answer: Thanks for your comment Don.

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Wireless Local Loop Technology Eyeing the Last Mile
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In spite of previous setbacks, many in the telcom industry still see potential in Wireless Local Loop (WLL) technology to complete the connection between users and their phone companies. Past attempts have not been encouraging.

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California's Energy Future Looking Brighter
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According to the California Energy Commission, Golden State residents will have no trouble turning on their air conditioners this summer.

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TIA Published New Standard TIA/EIA-568-B.2-1
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The Telecommunications Industry Association (TIA) has published two new standards, 'Commercial Building Telecommunications Cabling Standard, Part 2: Balanced Twisted Pair Cabling Components, Addendum 1 -- Transmission Performance Specifications for Four-Pair 100 Category 6 Cabling.

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Digital Video Innovation Boosts Applications
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In no other market has technology advanced as quickly as in digital video and closed circuit television video (CCTV) surveillance. Digital signal processing is state-of-the-art and beyond, and cameras are nearly end-to-end digital.

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Fiberoptic Cabling May Have Bottomed Out
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By Rick Laezman Like many high tech products over the last few years, fiberoptic cable has experienced a roller coaster ride of extreme highs and lows. 2001 was a peak year for installations of single- and multi-mode fiberoptic.

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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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