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. 

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.

When a potential client calls on you to provide a fire alarm system, do you assume the design responsibility? If so, what resources do you use?


Never before in the electronic security industry has change been so profound. As hardware and boxes moved onto the network, they have morphed into intelligent, connected products.

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.

More on Systems

 
The Web Can Help Us Do Important Things, Three Large Contractors Say
by Staff |
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From Louisville, St. Louis, and Leavenworth, Kan., the three contractors profiled — this month and the following two months — are working to become even more lean and efficient.

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NYSERDA Supports Voice-recognition Thermostats
by Staff |
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Many people talk to their programmable thermostats. The problem is that they are usually cursing the devices because they are so difficult to program. In fact, studies show that only 31 percent of owner-occupied homes with programmable thermostats installed have actually programmed the devices.

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Are Telecommunications Closets Obsolete?
by Staff |
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Last month, we discussed the centralized fiber optic architecture and how it affected network design. This month, we’ll continue the discussion, looking at how this can affect the design and/or need for a telecommunications closet (TC).

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Understanding Cable Materials and Tester Measure Categories
by Staff |
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Various Gigabit Ethernet testers are available.

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10 Gbps Ethernet as a Fiber-only Platform
by Staff |
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As soon as the Institute of Electrical and Electronics Engineers (IEEE) finalized the 1 Gbps Ethernet solution on fiber, they began work on the 10 Gbps Ethernet solution.

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What and Why? Testing Gigabit Ethernet
by Staff |
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Last month we looked at the state of Gigabit Ethernet today and recognized that it will be confined to backbone networks and server connections for the reasonably foreseeable future, simply because most desktops can’t use such speed.

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Category 6 Cabling - Standard or Not?
by Staff |
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I guess the honest answer to the above is, “We’re working on it.” Most manufacturers have products (cable, jacks, patch cords, and test equipment) out in the marketplace promoted in one fashion or another as Category 6 compliant.

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