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

 
Mobile at Home
| under

Despite years of forecasting the future of low-voltage installations, the use of tablets and smartphones still took the market by surprise.

READ MORE
 
A Comfort Zone Away From Home
| under

For decades, the penetration rate of residential security systems has been hovering around 20 percent. However, technology advancements, mobile communication and consumer expectations seem to be finally driving that rate up and bringing home automation and interactive services along for the ride.


READ MORE
 
(Air-Blown) Fiber Added
| under

Sometimes, customer requests turn out to be very good things.

READ MORE
 
Klein VDV preparation tools
Cool Tools: VDV Copper Prep Tools
| under

Copper cables remain a key element in most structured wiring systems, even as the amount of fiber optic cable in structured wiring networks continues to increase.


READ MORE
 
Code Awareness Creates Work
| under

It makes sense that most contractors focus on the codes that relate to the system types they install. Specifically, professional systems contractors most use NFPA 70, National Electrical Code and NFPA 72, National Fire Alarm and Signaling Code.


READ MORE
 
The Nature Of Network Needs
| under

This is the first in a series of columns on networks and cabling—media, really—as we explore the nature of networks, their cabling needs and how they have evolved to provide for today’s “always connected” society.

READ MORE
 
Figure 1: Monthly plot of active power of one phase
Examining The Fine Print
| under

When reviewing data from your power monitoring system, the 30,000-foot approach is a typical starting point. 


READ MORE

Pages