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. 

Last month, I addressed how to determine if an adhesive/polish connector was good by inspecting the polished end of the connector with a microscope.

Every other year, the release of the Profile of the Electrical Contractor enables us to examine the changes that have taken place in the electrical contracting industry.

According to the Energy Storage Association, an energy-storage system improves the way electricity is generated, delivered and consumed. It certainly helps during power outages.

In April 2014, access control technology and security service provider Matrix Systems Inc., Miamisburg, Ohio, launched a technology division named Frontier.

More on Systems

 
Choosing the Right Fiber Optic Cable
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Choosing the right fiber optic cable is extremely important for any installation. The purpose of the cable is to protect the fibers during installation and the service lifetime. Several types of cable are available.

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Equipment Warning Signs, Remote Service Disconnecting Means and More
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CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 430 Motors, Motor Circuits, and Controllers Article 450 Transformers and Transformer Vaults Article 695 Fire Pumps Warning si

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Bonding Water Piping
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There is a quiet revolution occurring in the home-building industry. Traditional single- and multiple-dwelling construction methods as we knew them have changed forever. Metal studs are now often being installed in place of wood and steel beams in place of wooden trusses and joists.

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What Vendors Offer in E-Commerce
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This is the second of three columns dealing with industry distributors and what they are doing on e-commerce.

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Understanding Wavelength
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Fiber optics is full of jargon but it’s important to understand it. One of the more confusing terms to many is “wavelength.” It sounds very scientific, but it is simply the term used to define what we think of as the color of light.

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Branch Circuits, Grounding, Luminaires and More
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Article 210 Branch Circuits Article 220 Branch-Circuit, Feeder, and Service Calculations Article 230 Services Article 250 Grounding Article 404 Switches Article 410 Luminaires (Lighting Fixtures) Lampholders, and Lamps Article 445 Generators Article 702 Optional Standby Systems Volume I of the Fire

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Rising to IBS Installations' Challenges
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The arena of voice/data/video installations for electrical contractors can be both challenging and rewarding. The market is flowing into combining the traditional with the new in what is now being called integrated building systems (IBS) installations.

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