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. 

“Dark fiber” is a term often heard in conversations about fiber optic communications. Perhaps this is because it has a name that sounds evil or nefarious. But dark fiber is just fiber that has been installed and is not currently in use; instead, it is reserved for spares or future use.


If you’re going to do a job right, you need the right tools. Today, the definition of tool goes beyond wire crimpers and multimeters. It now includes smartphones and the apps that make them crucial to a contractor’s success. The following are some of the apps that contractors could consider using.


Last month, we looked into positive, negative and zero-sequence components, also known as symmetrical components, with virtually no math involved.

It is a sign of tight budgets when facility directors at most K–12 and higher education institutions receive mandates to defer maintenance on their existing building inventory to allow for budget dollar application elsewhere.

Electrical Contractor

More on Systems

 
TIA Approves 10/100 Mbps Fiber Ethernet Solution
by Staff |
| under

“Better late than never” probably best describes the latest approved Local Area Network (LAN) standard—ANSI/TIA/EIA-785 100 Mbps Physical Layer Medium Dependent Sublayer and 10 Mbps and 100 Mbps Auto-Negotiation on 850nm Fiber Optics.

READ MORE
 
A Year Makes a Difference
by Staff |
| under

“A EC Systems 2000”, which took place in June in Washington, D.C., was swamped with dot-coms aiming at the architecture, engineering, and construction (AEC) community. Among the exhibitors was supplyFORCE.com, a distributor enterprise that emanates from within the electrical industry.

READ MORE
 
VDV Product Focus
by Staff |
| under

AC Drive

READ MORE
 
Cable Management Systems Organize Wires While Eliminating Sag and Snag
by Staff |
| under

The numerous choices for managing voice/data/video cabling (VDV) installations enable electrical contractors to effectively run well-supported wiring through almost any location and under any field condition.

READ MORE
 
Video Technology: At the Speed of Light
by Staff |
| under

Anything––and everything––is a possible subject of closed-circuit television (CCTV) surveillance.

READ MORE
 
Up the Learning Curve, Together: Distributors and Contractors
by Staff |
| under

E-commerce isn’t dead, it’s gone underground. Here’s a look at how some larger electrical distributors are working with contractors—far from the glare of the spotlight.

READ MORE
 
Fire Alarms: Not Just Another Low-Voltage Installation
by Staff |
| under

For some, installing fire alarms is a lucrative sideline. For many, it is a full-time pursuit.

READ MORE

Pages