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. 

Beginning with the 2010 edition of NFPA 72, National Fire Alarm and Signaling Code, all of the “styles” of circuits were deleted, and four “classes” were added. A new chapter, Circuits and Pathways, was added during the reorganization of this code.

Many designers of the notification portion of a fire alarm or mass notification system (MNS) seem unaware of the specific performance requirements for each type of appliance as required or allowed by NFPA 72 2016, National Fire Alarm and Signaling Code.

Based in San Jose, Calif., Integrated Communication Systems (ICS) has been building its success as a low-voltage integrator for 15 years. The 80-employee firm, founded in 2002 by Aaron Colton, president and CEO, serves low-voltage integration needs in San Francisco and the Bay Area.


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.


More on Systems

 
California Lawmakers Raise The Energy-Storage Standard


As renewable power increases its market share, energy storage assumes a larger role. Recognizing the importance of government benchmarks, California lawmakers have taken steps to raise the state’s energy-storage standard.



READ MORE
 
Google Fiber Hits Pause—What Does It Mean?

On October 25, Google announced it would "pause" development of Google Fiber. In addition, the division’s CEO, Craig Barratt, resigned, and the division was rumored to be laying off about 9 percent of its staff.


READ MORE
 
J.M. Electrical Completes Middle-School Control-System Project


J.M. Electrical Co., a Lynnfield, Mass., contractor with a specialty in advanced automation building system installations, recently completed project operations at the 85,000-square-foot Hanscom Air Force Base Middle School in Bedford, Mass., which holds 312 students.


READ MORE
 
Feeling Uncertain: Testing, Accuracy and Optical Power Measurements


Last month, I wrote about measurement uncertainty and metrology, the science of measurements. This month, I get more specific and cover the uncertainty of some basic fiber optic measurements, starting with optical power.



READ MORE
 
An Endless Summer: Persistent Power Quality Problems

While renovating a basement, I came across a poster for “The Endless Summer,” a film released 50 years ago in which two surfers travel the world’s oceans, chasing warm weather and surfing adventures.


READ MORE
 
Wired For The Information Age

Automation is on the cusp of changing our lives—from the speed with which an ecommerce order is fulfilled, to the method we use to check in to our flight and travel to our destination.


READ MORE
 
Central Intelligence: The IoT Brings Big Changes 
to Data Centers

The Internet of Things (IoT) may alter the appearance of data centers. The IoT is a growing system of data that puts demand on existing data centers and pushes for new facilities that are centrally located and “on the edge,” a trendy phrase to describe the point at which sensors are installed.


READ MORE

Pages

X