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. 

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.

“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.


More on Systems

 
E-commerce in the Office
by Staff |
| under

Previous articles have explained some of the ways e-commerce may affect your project management when you use Internet applications service providers for collaboration and material purchasing.

READ MORE
 
Pushing the Edges of E-Commerce with Project Collaboration
by Staff |
| under

Perhaps the most useful and exciting, yet technologically complex and challenging e-commerce application is the application service provider (ASP).

READ MORE
 
How Many Fibers Are Enough?
by Staff |
| under

Our local newspaper reported that the local phone company had completed installing fiber optic cables between their central offices in the Boston area. That didn’t surprise me, but what did was the description of the cables they were installing. Each cable had 864 fibers in it!

READ MORE
 
Permanent Link versus Basic Link: What Does It Mean for Copper?
by Staff |
| under

With the approval and publication of Telecommunications Industry Association (TIA)-TSB67 “Transmission Performance Specifications for Field Testing of Unshielded Twisted-Pair Cabling Systems” in October 1995, TIA launched the industry requirement for cabling system transmission performance and field

READ MORE
 
System Solutions Start with Intercoms and Paging
by Staff |
| under

Bells and whistles don’t always sell low-voltage products. It’s the tried-and-true equipment that has become indispensable to commercial, industrial, and institutional customers. This equipment holds a market, and intercoms and paging systems are a perfect example. New they’re not.

READ MORE
 
You Had to Be There - The First E-Contracting Conference
by Staff |
| under

“If you don’t feel confused and scared, you don’t know what’s happening.” With that quote from GE Chairman Jack Welch, one speaker got the rapt attention of a couple hundred contractors and e-commerce exhibitors who attended the first e-contracting conference, sponsored by Electrical Contractor maga

READ MORE
 
Choosing Fiber for Premises Applications
by Staff |
| under

Up until a couple of years ago, one never thought about choosing the fiber in the fiber optic cable you bought. If you were buying cable for outside plant applications like telephone or CATV networks, you chose single-mode fiber.

READ MORE

Pages