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 have often described the reliability of a fire alarm system installation as dependent on four elements: design, equipment, installation and maintenance. I have also explained that the last two elements contribute the most to a fire alarm system’s operational reliability.


Around the turn of the century, horse and car race courses began expanding into the casino market. The result is the “racino,” a gambling and entertainment combo that needs the latest electrical infrastructure, backup power, low-voltage security and digital access. Chapel Electric Co.

Services beyond security


Not a day passes without reference to cloud-based or hosted services. Consumers use cloud services every day with online banking, and now mobile payment is infiltrating retail and hospitality services.

Don’t blink! If you do, you may miss some of the rapidly developing changes occurring in the technology sector.


More on Systems

 
The Many Faces of Fire Protection
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There are many types of financial institutions and numerous possible ways to protect these facilities against the threat of fire. There are banks and credit unions, as well as data centers that process the transactions and credit card purchases with large computer room facilities.

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Biometrics for the Common Man
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Biometrics has gone beyond the realm of space-age applications. Now, and in the future, biometrics is a perfect fit with nearly every user in every market.

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Plastic Optical Fiber
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Every year around Christmas, stores roll out artificial trees made with optical fibers. You know the ones—they glow and shine colored light out the ends of the branches. Who would think that these trees are made of a type of optical fiber that offers easy-to-install cheap communications links?

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Have a Backup Plan
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In the past, blackouts have led us to focus on preventing systemwide single component failures. But August’s blackout increased nationwide awareness for the need for backup power systems.

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Money in the Bank
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Bank security systems are now so sophisticated that it is virtually impossible to use a hankie without being in full view of a surveillance camera. Uniformed guards making their presence obvious are as much an ornament as a deterrent to crime.

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Derating Conductors in a Raceway and More
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CODE CITATIONS Article 220 Branch-Circuit, Feeder and Service Calculations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 404 Switches Article 410 Luminaires (Lighting Fixtures)

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TIA and You
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The Telecommunications Industry Association (TIA) is an industry organization with paying members from the communications/telecom industry. They develop minimal performance standards for cabling and related hardware and installation standards for the users/designers.

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