electrical basics


Best Practices for Terminating Fiber Optic Cabling 

Apr 1, 2004, By Dan Munch and Tom Reinert, IDEAL Industries, Inc.

Working with fiber requires a steady hand and an attention to proper safety techniques...

The Basics of LonWorks 

Apr 1, 2004, By Joe Knisley, Senior Editorial Consultant

Getting a system's control devices to communicate effectively has gotten easier with the advent of local operating networks...

Fishing Wire Through Walls 

Mar 1, 2004, By Amy Florence Fischbach, Staff Writer

After 20 years in construction, Dan Groot had grown tired of crawling up into attics to pinpoint the exact spot to drill a hole for fishing wire down...

Understanding the Basics of Low-Voltage Lighting 

Feb 1, 2004, By Joe Knisley, Senior Editorial Consultant

Tungsten-halogen and standard incandescent are the lamps of choice in the growing low-voltage lighting system world...

Size Raceways for a Successful Installation 

Jan 1, 2004, By Mike Holt, NEC Consultant

Protect comductors from damage by limiting the number of conductors you put in your raceway...

The Basics of Ladder Logic 

Dec 1, 2003, By R. Fehr, P.E., Engineering Consultant

Ladder logic is the basis of most control functions...

Meter Basics 

Nov 1, 2003, By R. Fehr, P.E., Engineering Consultant

Meters are indispensable when working with electrical systems...

Direct Current Motor Basics 

Oct 1, 2003, By Ralph Fehr, P.E., Engineering Consultant

The first type of motor built is still in widespread use...

The Basics of AC Motors 

Sep 1, 2003, By R. Fehr, P.E., Engineering Consultant

Powering industry since replacing the steam engine...

The Basics of Transformers 

Aug 1, 2003, By R. Fehr, P.E., Engineering Consultant

By raising and lowering voltage levels, transformers make power systems versatile...

The Basics of Series-Parallel Circuits 

Jul 1, 2003, By Ralph Fehr, P.E., Engineering Consultant

Electric circuits often consist of several elements, some combined in series and others in parallel. The methods used to analyze series and parallel circuits can be combined to analyze these series-parallel circuits....

The Basics of Parallel Circuits 

Jun 1, 2003, By R. Fehr, P.E., Engineering Consultant

Components in parallel share current, but not necessarily equally...

The Basics of Grounding Systems 

May 30, 2003, By Jack Woodham, P.E., Jedson Engineering, Inc.

Knowing the pros and cons of the three most popularly installed grounding systems makes grounding system design decisions easy....

The Basics of Series Circuits 

May 1, 2003, By Ralph Fehr, P.E., Engineering Consultant

You're probably familiar with the old-fashioned strings of holiday lights that go out completely if one bulb burns out. Although these lights cause hours...

The Basics of Grounding Systems 

May 1, 2003, By Jack Woodham, P.E., Jedson Engineering, Inc.

Knowing the pros and cons of the three most popularly installed grounding systems makes grounding system design decisions easy....

The Basics of Power Factor and Efficiency 

Apr 1, 2003, By R. Fehr, P.E., Engineering Consultant

You don't always get what you pay for...

The Basics of Capacitance 

Mar 1, 2003, By R. Fehr, P.E., Engineering Consultant

Last month's column explained that AC current flowing through an inductance reaches its peak amplitude after the voltage. Lagging current is characteristic...

The Basics of Legally Required Standby Systems 

Feb 14, 2003, By Mike Holt, NEC Consultant

Emergency rescue efforts in your facility may depend on how well you meet Art. 701 requirements....

Understanding Lamp Dimming Technologies 

Feb 1, 2003, By Joe Knisley, Senior Editorial Consultant

Users can easily reduce energy usage with dimmers....

The Basics of Inductance 

Feb 1, 2003, By R. Fehr, P.E., Engineering Consultant

Inductance is the link between electric circuits and magnetic fields....

AC Fundamentals 

Jan 1, 2003, By R. Fehr, P.E., Engineering Consultant

Alternating current circuits improve the versatility and usefulness of electric power systems...

The Basics of Digital Multimeters 

Jan 1, 2003, By Jim Gregorec, Ideal Industries, Inc.

Here's a primer on symbology, terminology, connections, and basic measurement techniques for modern multimeters...

The Basics of Legally Required Standby Systems 

Jan 1, 2003, By Mike Holt, NEC Consultant

Emergency rescue efforts in your facility may depend on how well you meet Art. 701 requirements....

The Basics of Surge Protection 

Oct 1, 2002, By Mike Holt, Mike Holt Enterprises, Inc.

Surge protection basics are the foundation for a solid protection strategy....

The Basics of Grounding 

Sep 1, 2002, By Mike Holt, Mike Holt Enterprises, Inc.

You can understand grounding by overcoming common reasons for confusion....

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product spotlight

EV charger tester

May 25, 2012 8:26 AM

EV charger tester

The Electrician is portable tester that verifies critical power and safety requirements of electric vehicle (EV) chargers...

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What's New in Residential Cabling?
Date: Wednesday, May 30, 2012
Time: 2:00pm ET


In this The Home Depot sponsored Low Voltage Webinar, Ron Kipper RCDD / NTS will discuss the need for compression style coaxial connectors and the migration of the entire CATV, Satellite and Audio / Video industry to them. Register Today!

Grounding Versus Bonding
Now Available On-Demand


In this 60-minute FREE webinar, Mike Holt of Mike Holt Enterprises, Inc. will explain the purpose of grounding and bonding as related to the most current requirements set forth in the 2011 NEC. Register to View On-Demand!

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