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

 
Could You Become an 'E-Commodity?'
by Staff |
| under

Most of the talk about e-commerce has covered how you can, might, or will use e-business for your company’s benefit.

READ MORE
 
Automated Systems Control the Future
by Staff |
| under

There are basically two levels in any industrial automation project—the device level and the operator and supervisory control levels.

READ MORE
 
Fire Alarm System Panels: Conventional versus Addressable
by Staff |
| under

Should you install conventional or addressable fire system panels? The answer ultimately lies upon close examination of the application and the protected premises.

READ MORE
 
The 'New' Home Systems Market
by Staff |
| under

You’ve heard it before: this is the year for home systems. Everyone thought market saturation would advance quickly for home systems, but consumers couldn’t get a handle on the plethora of products, protocols, and functions—which benefits they could use.

READ MORE
 
Fiber Optic Measurement Errors
by Staff |
| under

Testing installed fiber optic cabling or patchcords is not difficult, but sometimes it seems the results you get don’t make sense. After 20 years in the business, I’ve probably seen most of the possible errors. If I share them with you, perhaps you will avoid them.

READ MORE
 
Balancing Fiber and Copper in Networks
by Staff |
| under

There are many options when choosing the correct cabling media for your network installation. Category 5e, Enhanced 5e, Category 6, single-mode, and multimode fiber are among the selections you have.

READ MORE

Pages