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. 

Fluke Networks' DSX-8000 cable analyzer and accessories

Structured wiring technicians carry their own tools for everyday work, but the companies that employ them often find it practical and economical to rent high-end network-testing equipment. Specialty rental companies carry broad selections of network and electrical testers.


How often does something go wrong on a project? I bet your answer is, “Too often.” Of course, when this happens, it erodes profitability.


Most in the construction industry should be familiar with building information modeling (BIM).

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.

More on Systems

 
Ensuring Earth Connection

In the 2002 and previous editions of the National Electrical Code, the metal frame of a building or structure was required to be used as a grounding electrode when the metal of the building or structure was effectively grounded.


READ MORE
 
Add Sound to Your Repertoire

You've heard it before: Your customer wants structured wiring and networking, and they also want a sound system. Is it over your head? Not if you take the time to learn some simple steps to increase your business and get started in this growing area.


READ MORE
 
Going the Distance

Just when those hungry for bandwidth thought they had struck gold with Wi-Fi, along comes something else to further the wireless revolution. WiMAX-Worldwide Interoperability for Microwave Access Forum-or WirelessMAN, is bound by the IEEE 802.16 standard.


READ MORE
 
Prefabricated Components

Using prefabricated and preassembled electrical components often can bring substantial cost savings, especially on large projects such as hotels and hospitals that have a large number of identical layouts.


READ MORE
 
AFCI Protection, Nonmetallic Conduit and More

Article 110 Requirements for Electrical Installations Article 210 Branch Circuits Article 230 Services Article 240 Overcurrent Protection Article 300 Wiring Methods Article 342 Intermediate Metal Conduit: Type IMC Article 352 Rigid Nonmetallic Conduit: Type RNC Article 408 Switchboards and Panelboar


READ MORE
 
Bluetooth Moves Ahead

Good old Bluetooth, the hot topic in regard to personal area networks (PANs). Though it goes into a sort of technology-remission every so often, it is still out there and has a loyal following. Attention is once again being focused in its direction, but this time for different reasons.


READ MORE
 
CCTV: Any Application, Anytime

If you blink, you may miss something. That's how fast the closed-circuit television (CCTV) surveillance market is moving these days. But capturing surveillance activities is something CCTV cameras won't miss.


READ MORE

Pages

X