ECM Buyers' Guide

electrical basics

The Art and Science of Color Coding

Feb 1, 2008 12:00 PM, By David Herres, Master Electrician

On any given project, choosing the appropriate colors for conductors during installation facilitates maintenance and enhances troubleshooting efforts...

Calculating Single- and 3-Phase Parameters 

Apr 1, 2008, 

Welcome to the first in a series of articles focusing on electrical calculation basics. This month, we'll discuss the most fundamental of calculations...

Letters to the Editor 

Dec 1, 2007, 

Battery Sizing Basics Article Addendum In the Voice Data Video Today article, starting on page 30 of the September 2007 issue, the author would like to...

The Basics of Power Monitoring Systems 

Dec 1, 2007, By Jon A. Bickel, Square D Co./Schneider Electric

Rationalizing an investment in a facility's infrastructure can be a difficult prospect for any plant engineer or technician, often requiring extensive...

The ABCs of Fire Pump Installations 

Oct 1, 2007, By Ken Granle, HDR/Jordan Architects

When it comes to fire pumps, there's more to designing and installing these units than meets the eye. As projects become larger and more complex, such...

Ladder Logic Basics 

Apr 1, 2007, By Steve Vidal, P.E., Joseph J. Vidal & Sons, Inc.

A specialized segment of the electrical construction and maintenance industry, AC motor control is an area that requires specific knowledge in order to...

Installing Aluminum Building Wire 

Jan 1, 2007, By Christel Hunter, Alcan Cable

Aluminum building wire installation can be an uncertain subject for electricians, engineers, inspectors, and owners. There are many myths, beliefs, and...

Electrical Ladder Drawing Basics 

Feb 1, 2006, By Roger Zieg, Lewellyn Technology

Electrical ladder drawings are still one of the common and reliable tools used to troubleshoot equipment when it fails. As with any good troubleshooting...

Electrical Taping Skills: A Lost Art? 

Jan 1, 2006, By Bob Goodman and Rodney G. Brown, 3M

With all of the new products and electrical insulation kits currently on the market, the use of conventional electrical tapes has gone down. As a result,...

Best Practices for Terminating Copper Cabling 

Sep 1, 2005, By Dan Payerle and Sheri Lindhart, IDEAL Industries, Inc.

Although the process of terminating twisted-pair copper cabling may seem to be relatively simple on the surface, the issues involved with properly creating...

Sizing and Protection For Multiple-Speed Motors 

Mar 1, 2005, By James T. Peda, P.E., Black & Veatch

A single-speed motor has one rated speed at which it runs when supplied with the nameplate voltage and frequency. A multispeed motor will run at more...

Understanding The Basics of Wye Transformer Calculations 

Dec 1, 2004, By Mike Holt, NEC Consultant

Add this information to what you know about delta transformers and you may be ready to solve power quality problems...

Everything You Need to Know About Switches, and More 

Nov 1, 2004, By Mike Holt, NEC Consultant

Just like the receptacle, which was covered in this column last month, switches are a common element in everyday life. You can find them at work, in public,...

Basic Electronic Troubleshooting Techniques 

Aug 1, 2004, By John Olobri, AEMC Instruments

You can troubleshoot problems with electronic equipment by using a few basic test instruments and a little common sense...

The Basics of Steel Conduit 

Aug 1, 2004, Edited by Mike Eby, Editor-in-Chief

The strength and versatility of this oft-refined product line maintain its popularity on many a jobsite...

Understanding Induction Motor Nameplate Information 

May 1, 2004, By Ed Cowern, P.E., Baldor Electric Co.

Keeping the language common among manufacturers is critical to making motors interchangeable...

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