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. 

When we install fire protection
in a building, we are focused on active protection systems such as fire alarms, fire sprinklers, clean agents or smoke control.

Residential end-user expectation is fueling automation expansion not only in the homes of the wealthy but also in middle class developments where residents expect to be able to manage the operation of their homes with their cell phone or tablet.

The advertisements bombard us constantly. On television, on websites, in your inbox, all with the same message: everyone else is using technology that integrates security systems with home automation and enables remote control of the whole house with smart devices. Why aren’t you doing this too?


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.


More on Systems

 
Home Security Technology In The Digital Age
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On a similar plane, the evolution of digital technology has transformed almost every aspect of our lives, from the work environment to the home, from professional to personal.

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Cat-Scratch Fever
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Last month, I discussed the evolution of PC networks to Ethernet over twisted-pair cables. Toward the end of the 1980s, the IEEE created a new standard for Ethernet called 10Base-T, which means 10 megabits per second (Mbps), baseband (AM, not FM) over unshielded twisted-pair (UTP) copper cable.

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Have I Got A Deal For You!
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Reading through the websites and marketing Material of the major power quality instrument manufacturers in the hopes of figuring out which power quality monitor to buy can leave one feeling confused, frustrated and wondering which way to turn.

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Disaster Strikes
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Despite the threat of disasters, many people fail to develop emergency plans. It often takes experiencing a disaster to recognize the need for a contingency plan, but electrical contractors can suggest such plans to their customers before calamity strikes.


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Fight the Power: Notification Appliances
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I receive questions and stories about installer experiences with code-compliant fire alarm systems in the field, many relating to issues about the use, application and installation requirements of visible and audible notification appliances.

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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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