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. 

McClure Electric, San Francisco, has been in business since 1966, but it wasn’t until the mid-1990s that it got involved in low-voltage work.


I am always amused when I hear, “No one uses heat-cured epoxy connectors anymore.” In fact, about 95 percent of all connectors, including every factory-made patchcord, uses heat-cured epoxy for its ease of use, low cost and high reliability.

NFPA 70B, Recommended Practice for Electrical Equipment Maintenance, has championed the importance of an electrical preventative maintenance (EPM) program for years.

Residential home fire alarm protection methods can be broken down into two distinct applications: stand-alone detection devices, known as smoke alarms or carbon monoxide (CO) alarms, and combination fire alarm and detection systems that employ smoke detectors and CO detectors connected to a resident

More on Systems

 
Analytics of Surveillance
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Cameras aimed at customers moving through store aisles can provide a lot more than security. Retailers have become technically savvy and hungry for data about their customers’ behavior and habits, which is information that, until now, has given online retailers an edge.

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Compare And Contrast: NFPA Codes
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In my last column, I discussed the ICC code process. This month, I look at the NFPA process. As I previously mentioned, the ICC and NFPA have completely different processes for codes and standards development. Yet, both operate on three-year cycles.

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The Invention Of Premises Cabling
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The runaway success of PC sales in the 1980s led to the development of today’s computer networks, what we now call local area networks (LANs) or enterprise networks. The need for allowing PCs to communicate quickly followed their sales success.

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Unclogging The Mind
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Though not one for use of tweets or blogs or other forms of social media, I find it necessary sometimes to unclog the mind with a stream-of-conscious offloading of information.

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How Do You Identify Yourself?
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Many Might answer the title question: “I am a professional contractor.” That means you at least install fire alarm systems, maybe even design your own projects. If that alone constitutes your answer, you routinely miss a huge amount of sales. 


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Trust, But Verify
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With the introduction of Internet-protocol-based, enterprise-wide, and integrated security solutions, today’s systems are more sophisticated than ever, and their deployment has become much more complicated.

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Rules Of Order
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We all know our an industry is governed by codes and standards. While many complain about some of the requirements, few try to do anything about it. We all have an opportunity to fix things that we don’t like. Most people don’t understand the process or believe they can have any effect.

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