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. 

All of that dark fiber we have been discussing the last few months is getting used for some fast-growing applications, and the fastest may be connecting cell towers. Cell phones have evolved into mobile data devices. Smartphones and tablets consume vast amounts of data.

A hot summer’s evening usually begets long lines at the local ice cream shop. Recently, at one such shop, the line grew extra long when the cash registers and credit card machines mysteriously powered off and on.

Historically, if a problem occurs with a traditional string power inverter that links several solar panels together in series, or even simple shade, that issue can bring down an entire solar photovoltaic (PV) array.

As government tax credits and utility rebates and incentives dry up, energy-efficiency improvements have evolved beyond the low-hanging fruit of fixture replacement at low cost.

More on Systems

 
IP Telephony
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Telephony is the most basic form of communication, and we are not talking about the kind that carries you through a cocktail party.

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Big Winner in the Casino Market
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Casino work involves the deployment of state-of-the-art systems and solutions. When a gambling cheat enters a casino, he or she should face a daunting array of security.

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Equiping a Fiber Optic Installation Crew
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Nowhere does the adage “the right tool for the job” make more sense than in fiber optic installation. The right tools can make installation easier, quicker, better and less expensive.

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Alternative Power Source Generation
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Advances in small-scale generation technology coupled with growing environmental concerns, a changing energy market, evolving public policy and customer need for reliable and economical electric power supplies will provide a new growth market for electrical contractors.

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Enhanced Web Applications
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The Internet is as popular as ever. It seems you can’t turn around without bumping into something Web related. But the Internet has evolved; there is more to it than surfing for sports scores and celebrity gossip.

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Design and Documentation
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What is documentation and why is it important? We hear about “documenting” a network, but we don’t often listen. It seems like too much work for too little or no payback. But that way of thinking is wrong.

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The Lowdown on Camera Lens Advances
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Variety and innovation mean installation flexibility when it comes to lenses for closed-circuit television surveillance (CCTV). That’s just what the end-user needs: a camera and lens that can satisfy whatever the surveillance application dictates.

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