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. 

The years leading up to 2016 were transitional for the security industry. As products and services continue to move to the cloud, the industry has been hard at work learning the morphing landscape and how to best approach the new wave of opportunity emerging from every front.

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.

More on Systems

 
Klein Tools ratcheting modular crimper
Cool Tools: Copper Crimping Tools

Crimping tools are routinely used to make connections that meet industry standards for both electrical and voice/data/video (VDV) installations of video surveillance, alarm and building control systems.



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What’s New for Fire Alarms in 2015, Part 2


In my last article, I reviewed changes to fire alarm requirements for the occupancy classifications in the 2015 International Building Code (IBC). This month, I review changes to the general fire alarm requirements as well as the new section on carbon monoxide (CO) detection requirements.


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A Courageous Group

Intrepid Electronic Systems operates from two locations in California—Oakland and San Jose—with 25–35 employees at each location. Founded in 1997, the company focuses only on low-voltage systems. 
 “I have been doing this kind of work myself since 1976,” said Kurt Brinkman, owner.



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Bigger Data

The evolution of data center technology is outpacing changes in nearly every kind of commercial building, making the data center installation and service market lucrative. However, it comes with plenty of challenges.


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Internet of Everything

Our Houses—or, at least, the houses of the tech-savviest among us—are getting closer to running autonomously. Now, it’s not just that you can open your garage door or turn on your living room lights from a smartphone app.


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Higher Security Access Control

Do you have a customer that requires additional access control at specific locations within their facility but no budget for a total rip and replace? Maybe they are concerned with hacking or data compromise.


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New Kid On The Block

The categories or labels used to describe the plethora of power quality phenomena that can occur on electrical systems have not changed much in the past decade or two. Measurement methods and acceptable limits for most systems have changed.


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