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. 

We are all aware fiber optics is the backbone of communications networks such as telecom, the internet, local area networks, cable television and more. It’s also the backbone of the electrical grid.

Over the past two years, the technical committee responsible for IEEE 1547, Standard for Interconnecting Distributed Resources with Electric Power Systems, has added a section on power quality (PQ), including the parameters, indexes and limits on those for distributed energy resources (DERs) connect

Mobile applications, an increasingly fluid workforce and improvements in product integration are changing the landscape of mass notification systems (MNSs) and emergency communications. The technology is more responsive and better directed in messaging to the masses.
 Keeping a close eye


On July 12, hundreds of companies and organizations will participate in the Day of Action for Net Neutrality. The event has the support of internet giants such as Amazon and Netflix as well as civil organizations like the American Civil Liberties Union (ACLU).

More on Systems

 
Grounding Continuity, Church Wiring and More

Grounding-electrode continuity Q: Does the grounding-electrode conductor to driven ground rods have to be unbroken to both rods or may a splice be made at the first rod, then continue to the second ground rod by installing two ground clamps at the first ground rod, then continuing to the second rod


READ MORE
 
Ferndale Electric Takes the Holistic Approach

In the heart of Detroit, surrounded by erosion and boarded-up businesses, a major construction project is nearing completion.


READ MORE
 
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.


READ MORE
 
High-Rise Fire Alarm Systems

Delayed notification is a major factor of fire-related deaths in the United States. In most cases, the building occupants did not hear the audible alarms in the building or failed to understand the voice message instructions proved by the fire alarm voice communication system.


READ MORE
 
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.


READ MORE
 
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.


READ MORE
 
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.


READ MORE

Pages

X