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. 

In North Carolina, on July 27, PCL Civil Constructors working on the Herbert C. Bonner Bridge project, which spans 2.8 miles and is the only connection between Hatteras Island and Bodie Island, severed a three-phase, 115-kilovolt underground transmission line.

Capacitors that blew up from a power supply failure

In my 40-plus years in the industry, I have analyzed customers’ power quality monitor data files and heard their stories about hundreds of things that have happened in their facilities or homes: some mysterious, some catastrophic, some even comical.

According to an August 3 report from the U.S. Energy Information Administration (EIA), as of July 2017, 30 states plus the District of Columbia have adopted energy efficiency policies. These policies range from mandated requirements to voluntary goals, as well as pilot programs.

Wire and fiber. Rigid and flexible raceways. Twisted copper wire and category (Cat) cable. Welcome to a new world where traditional power and low voltage meet. For some electrical contractors, their shops reflect this confluence. For others, it may be on the horizon.


More on Systems

 
Measuring Competence

As defined and discussed in the web-based Wikipedia “competence is a standardized requirement for an individual to properly perform a specific job. It encompasses a combination of knowledge, skills and behavior utilized to improve performance.


READ MORE
 
Perfect Partners

Fifteen million users couldn’t be wrong. That’s how many surveillance cameras were sold in 2005, according to a leading security industry report. As security concerns rise, closed-circuit television surveillance (CCTV) continues to come to the rescue.


READ MORE
 
FTTP Network to be Constucted in Houston
by Staff |

AT&T Inc. and General Growth Properties have agreed to construct a fiber to the premises (FTTP) network to deliver such services as digital TV, high-speed Internet and voice services to a 20,000-home, master-planned community near Houston.


READ MORE
 
Sticking Together

The majority of Fiber optic connectors are still installed in a process that uses an adhesive to attach the connector to the fiber and polishing to finish the end surface of the connector.


READ MORE
 
Energy-Saving Performance Contracts

As energy costs continue to escalate, cash-strapped government agencies are looking for ways to update their old electrical systems. The problem, however, is that many are unable to pay for upgrades.


READ MORE
 
On the Horizon

Rule number one in any voice over Internet protocol (VoIP) installation is to make sure the network is capable of handling the technology. That may sound obvious, but it is, surprisingly, sometimes overlooked.


READ MORE
 
Just Hit the Button

Relax. Fire alarm panels are intuitive, multifunctional labor saving devices that allow custom programming and the ability to tailor the equipment to the facility. Electrical contractors can just hit the button with the advanced options fire alarm controls offer.


READ MORE

Pages

X