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. 

Fluke Networks round cable stripper

Correctly preparing and connecting copper wiring in a building’s structured wiring system requires special skills and the right tools. A single faulty connection can bring down an entire network.


Electrical contractors used to focus on the initial construction phase of a building. This was the “bread-and-butter” phase where contractors made their money. That business model is not the model for today or tomorrow.

Monumental video growth continues in every sector, ranging from small business to mission critical. Surveillance cameras are part of the Internet of Things boom, morphing into smart data collectors like billions of other connected devices.

While low-voltage cable often refers to what is used to wire audiovisual and fire alarm equipment, it also describes lower voltage electric grid distribution cable, as contrasted with the high-voltage cable used on transmission lines.

More on Systems

 
Access Denied

Access control is nothing new. Locks on doors and windows are a rudimentary form of shutting people out. While not the most effective means of control, plenty of facilities use it as their only means of security. ID cards are nothing new either.


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Take the Layered Approach to Wireless
by Staff |

Some predict a totally wireless world, but that will probably never happen. There are so many other good media out there-including fiber optics, unshielded twisted pair, coaxial and other bundled wiring solutions-chances are there will always be room for both hardwired and wireless.


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The Basics of BPL

Ever since Former Federal Communication Commission (FCC) chair Michael Powell said broadband over power line technology (BPL) was “the great broadband hope,” interest in the technology has grown. Powell's comments came on the heels of the FCC's ruling on Oct.


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Avoiding the Pitfalls

According to the Design-Build Institute of America (DBIA), “Design--Build is a process that has been embraced by the world's great civilizations. In ancient Mesopotamia, the Code of Hammurabi (1,800 BC) fixed absolute accountability upon master builders for both design and construction.


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Hitch a Ride on Monitoring Services

What is the role of the electrical contractor in providing contract monitoring services to the end-user? It can be significant if approached properly.


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Terminating Flexible Cords, Recessed Outlet Boxes and More

Flexible cord terminations Q: May a properly sized flexible cord with 15-ampere male attachment plugs on both ends be used to supply an optional standby generator for a small business? The cord is intended to plug into a receptacle on the generator and a receptacle on the outside of the building.


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RFID-Coming and Growing

Radio frequency identification (RFID) is used to track, identify and record people and objects. First introduced during the 1970s, the technology has evolved as new uses are discovered. But it was Wal-Mart's announcement in summer 2003 that pushed RFID into the spotlight.


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