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. 

The 2010 edition of NFPA 72, National Fire Alarm and Signaling Code, established a new and separate chapter for emergency communication systems (ECS), which continues to evolve.

In its basic form, commissioning means testing every device, process and procedure in an integrated systems solution to ensure the final specification operates as planned and according to the owner’s design. 


I have often described the reliability of a fire alarm system installation as dependent on four elements: design, equipment, installation and maintenance. I have also explained that the last two elements contribute the most to a fire alarm system’s operational reliability.


Around the turn of the century, horse and car race courses began expanding into the casino market. The result is the “racino,” a gambling and entertainment combo that needs the latest electrical infrastructure, backup power, low-voltage security and digital access. Chapel Electric Co.

More on Systems

 
Solving the Labeling Dilemma
| under

Labeling and documentation can be separate tasks, but they go hand in hand and should be completed, at least in part, at the same time.

READ MORE
 
Quick Fiber Optic Terminations
| under

One often needs a fast fiber optic termination.

READ MORE
 
Derating Conductors in a Raceway and More
| under

CODE CITATIONS Article 220 Branch-Circuit, Feeder and Service Calculations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 404 Switches Article 410 Luminaires (Lighting Fixtures)

READ MORE
 
TIA and You
| under

The Telecommunications Industry Association (TIA) is an industry organization with paying members from the communications/telecom industry. They develop minimal performance standards for cabling and related hardware and installation standards for the users/designers.

READ MORE
 
Why Isn't Fiber More Popular?
| under

My first thought in writing this column was that the title was wrong.It should be “Why Do People Still Install Copper?” In the fiber optic business, we’ve suffered from the copper industry’s harping that fiber is fragile because it’s made of glass, hard to install and too expensive.

READ MORE
 
Intelligent Buildings
| under

A flooded landscape strewn with debris was all that many could see last month as Hurricane Isabel hit the East Coast of the United States, leaving millions without power and blowing down 60-foot pine trees in many neighborhoods, including mine.

READ MORE
 
Shopping for Retail Fire Systems
| under

Retail stores or “mercantile” properties, as defined by the various building codes, include everything from small mom-and-pop stores in free-standing buildings to multiple stores in a strip mall, from large, enclosed malls to big-box stores selling books, hardware or whatever.

READ MORE

Pages