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. 

In the past year, fiber optics underwent some important developments, some technical and some market-related. For those of you working in fiber optic network design and installation, the changes present opportunities and challenges.


This article is the first in a series that provides a step-by-step approach for performing arc flash calculations.
 Arc flash studies and software


I often give my power quality (PQ) 101 course to new engineers or salespeople. This introduction starts with the basics: an overview of PQ phenomena based on IEEE 1159 Table 4.2 followed by Ohm’s and Kirchhoff’s laws and how they apply to power quality.

We strive to protect building occupants, including our employees. Many years ago, the Occupational Safety and Health Administration (OSHA) formed to codify regulations in the area of employee protection.


More on Systems

 
IBS: Here Today, Here to Stay

Over the past few months, many progressive contractors have told me that becoming increasingly involved in the Integrated Building Systems market has been one of their primary business goals––and it’s a step in the right direction.


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Voice and Data Systems Converge

The telephone and networked personal computer (PC) have become indispensable tools in today’s fast-paced business environment.


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Avoiding False Alarms

Many electrical contractors will attest to the fact that fire alarm systems offer a nice addition to their primary electrical business. Most can also tell a horror story or two about the number of costly and unpaid service calls due to false alarms from fire alarm systems.


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Distance Education

The education market has gone through many changes over the years. Advances in technology seem to have provided the biggest differences. Just think about it: computers are more commonplace than ever and many kids don’t even know what a typewriter is.


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The Ins & Outs of VDV Cable Management

Choosing the right management system for voice/data/video (VDV) cabling is driven by a variety of factors, including local codes and standards, personal taste, cost constraints and performance.


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Fiber Vs. Copper

You have to admire the copper cabling people for their tenacity—they never give up. In spite of hearing for the last 15 years that copper has no future, they persist in developing new technology that allows copper, like the mythical Phoenix, to rise from the ashes as strong and viable as ever.


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Deterring the Mob Mentality

The State College (Pennsylvania) Borough Council was looking for answers. During the summers of 1998 and 2000, students from Penn State took part in large-scale riots.


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