ECM Buyers' Guide

national electrical code

Code Basics 

May 1, 2000, By James Stallcup, Sr. and James Stallcup, Jr.

Using Ungrounded Phase Conductors...

Code Calculations 

May 1, 2000, By Mike Holt, NEC Consultant

Sizing Raceways -- Part 1...

Code Basics 

Apr 1, 2000, By James Stallcup, Sr. and James Stallcup, Jr.

Fire-Rated Ceilings: Don't Be Left Hanging...

Code Calculations 

Apr 1, 2000, By Mike Holt, NEC Consultant

Sizing Pull and Junction Boxes...

Code Calculations 

Mar 1, 2000, By Mike Holt, NEC Consultant

Voltage Drop -- Part 3...

Code Basics 

Mar 1, 2000, By James Stallcup, Sr. and James Stallcup, Jr.

Is Gas Pipe Grounding Legal?...

Code Calculations 

Feb 1, 2000, By Mike Holt, NEC Consultant

Voltage Drop -- Part 2...

Code Basics 

Feb 1, 2000, By James Stallcup, Sr. and James Stallcup, Jr.

The Grounded Neutral Conductor -- Part 3 of 3...

Code Calculations 

Jan 1, 2000, By Mike Holt, NEC Consultant

Voltage Drop -- Part 1...

Code Basics 

Jan 1, 2000, By James Stallcup, NEC and OSHA Consultant

The Grounded Neutral Conductor -- Part 2 of 3...

Code Forum 

Dec 1, 1999, By James Stallcup, Sr., and James Stallcup, Jr.

Grounding with the Grounded Neutral Conductor -- Part 1 of 3...

Code Forum 

Nov 1, 1999, By Fred Hartwell, Hartwell Electrical Services, Inc.

Sizing Small Motor Circuit Conductors...

Code Forum 

Oct 1, 1999, By Fred Hartwell, Hartwell Electrical Services, Inc.

Sizing Wye-Delta Compressor Conductors...

Code Forum 

Sep 1, 1999, By Fred Hartwell, Hartwell Electrical Services, Inc.

Single Point Grounding...

Code Forum 

Aug 1, 1999, By Fred Hartwell, Senior Editor

Swimming Pool Disconnects...

Code Forum 

Jul 1, 1999, By Fred Hartwell, Senior Editor

Portable Standby Systems...

Code Forum 

Jun 1, 1999, By Fred Hartwell, Senior Editor

Code Basics: Range Loads On 3-Phase Systems...

How to Play Zone Defense in Hazardous Locations 

May 1, 1999, By John Paschal, Jr., P.E.

What are the differences between the Zone and Division systems in hazardous (classified) locations? Here is what you need to know....

Code Forum 

May 1, 1999, By Fred Hartwell, Senior Editor

Sharing Space Over Panels: OK If Safety Issues Addressed...

Manholes: What Does The '99 NEC Have To Say? 

May 1, 1999, By Fred Hartwell, Senior Editor

What do you need to know about the new Part D of Art. 370, now that the '99 NEC covers manholes for the first time?...

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