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. 

Contractors that are still putting estimates together using pencil and paper are not only wasting time and money, but they also are losing business. Contractors who think they can’t afford estimating software are just plain wrong.

Plug loads, according to a pilot study performed by New York-based green technology company ThinkEco Inc., make up the fastest growing end-use of electricity in the commercial sector. As the amount of electricity used by plug loads grows, it becomes increasingly important to manage it.

In attempting to explain to a colleague why we care about negative sequence components, I tried to follow the guidance that Bob Lawrie, another member of the NFPA 70B Electrical Equipment Maintenance committee, offered to me many years ago: never use a formula in an article.

Another year has passed, and we have nothing revolutionary to report about fiber optic technology—no instant-on connectors, dirt-cheap lasers or simple solutions to installation problems.

More on Systems

 
The Alphabet Soup of Fiber Optic Connectors
by Staff |
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One of the negative aspects of high tech is its habit of using abbreviations and acronyms for practically everything. It gets so bad, we joke about all the TLAs or three-letter acronyms.

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TIA Approves 10/100 Mbps Fiber Ethernet Solution
by Staff |
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“Better late than never” probably best describes the latest approved Local Area Network (LAN) standard—ANSI/TIA/EIA-785 100 Mbps Physical Layer Medium Dependent Sublayer and 10 Mbps and 100 Mbps Auto-Negotiation on 850nm Fiber Optics.

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A Year Makes a Difference
by Staff |
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“A EC Systems 2000”, which took place in June in Washington, D.C., was swamped with dot-coms aiming at the architecture, engineering, and construction (AEC) community. Among the exhibitors was supplyFORCE.com, a distributor enterprise that emanates from within the electrical industry.

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VDV Product Focus
by Staff |
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AC Drive

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Cable Management Systems Organize Wires While Eliminating Sag and Snag
by Staff |
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The numerous choices for managing voice/data/video cabling (VDV) installations enable electrical contractors to effectively run well-supported wiring through almost any location and under any field condition.

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Get a Hold (Up) on Bank Security
by Staff |
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Financial institutions, bank branches, and a variety of other lending organizations generally have one thing in common—money. And, that money sometimes has to be protected from unscrupulous persons who might want to grab what’s not legally theirs.

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Video Technology: At the Speed of Light
by Staff |
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Anything––and everything––is a possible subject of closed-circuit television (CCTV) surveillance.

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