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. 

Workflow-management tools are designed to orchestrate everyday business processes. For example, a contractor may implement a process for submitting, reviewing and approving expense reports.

While the electric power industry rapidly changes, utilities and building owners will need to accurately model the engineering and economic operations of the power system to make informed decisions, so they require sophisticated modeling-software tools.


Power is everything. Consumers demand connectivity to home, business, people and places 24 hours a day. In this uber-integrated information society, staying in touch through Wi-Fi, Ethernet, cellular and other networks is the expectation.


Design/build means different things to different people. Regardless, you should know that it places more responsibility on your shoulders as the electrical professional. It means you need to stay abreast of the codes that affect your installations.


More on Systems

 
Beyond Retrofits
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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.

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Researching The Future
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As with most clean-energy markets, activity in the energy-storage segment is directly tied to government policies.

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Overhead and Underground
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When it comes to both overhead and underground distribution and transmission lines, all may not be as it seems.

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LED lighting can be powered and controlled through a PoE system in a data center application.
The Power of PoE
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Power over Ethernet (PoE) is any of several standardized or ad-hoc systems that pass electrical power along with data on Ethernet cabling.

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Communication Breakdown
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The 2010 edition of NFPA 72, National Fire Alarm and Signaling Code, established a new and separate chapter for emergency communication systems (ECS), which continues to evolve.

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Step One: Commissioning
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In its basic form, commissioning means testing every device, process and procedure in an integrated systems solution to ensure the final specification operates as planned and according to the owner’s design. 


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A Key Component of Reliability
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I have often described the reliability of a fire alarm system installation as dependent on four elements: design, equipment, installation and maintenance. I have also explained that the last two elements contribute the most to a fire alarm system’s operational reliability.


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