ECM Buyers' Guide

national electrical code


Technology-Wiring Definitions: Part 2 

Mar 1, 2001, By Mike Holt

When you install low-voltage or limited-energy systems, understanding a few key terms is essential. Anyone installing power distribution systems now or...

Installing Custom-Made Equipment Correctly 

Feb 1, 2001, By James Stallcup

Installing Custom-Made Equipment Correctly...

Code Calculations 

Feb 1, 2001, By James Stallcup

Calculating Receptacle and Appliance Loads...

The What and Where of Service Point Locations 

Jan 1, 2001, By James Stallcup

The What and Where of Service Point Locations...

Code Calculations 

Jan 1, 2001, By James Stallcup

Industrial Calculations: Lighting Loads...

Technology Wiring and the NEC 

Jan 1, 2001, By Mike Holt

If you're installing or maintaining technology wiring systems, you'd better understand the Code rules that govern their installation, as well as the individuals involved in their enforcement....

Basics of Purging and Pressurizing Systems 

Dec 1, 2000, By James Stallcup and William G. Lawrence

Basics of Purging and Pressurizing Systems...

Code Calculations 

Dec 1, 2000, By Mike Holt

Sizing Conductors Based on Temperature Rating...

Equipment for Class I Hazardous Locations 

Nov 1, 2000, By James Stallcup

Equipment for Class I Hazardous Locations...

Code Calculations 

Nov 1, 2000, By Mike Holt

Sizing Parallel Conductors...

Ramping Up the System With a Meltdown 

Nov 1, 2000, Edited by Marleen Canniff

Keeping up with technology and the NEC pays off for three Illinois-based companies. The proof is in the design of this snow melting system.Winter's almost...

Code Quandaries 

Nov 1, 2000, By Mike Holt

Stumped by the Code?...

Factors for Determining Ampacity of Conductors 

Oct 1, 2000, By James Stallcup

Factors for Determining Ampacity of Conductors...

Code Calculations 

Oct 1, 2000, By Mike Holt

Sizing Conductors Based on Temperature Rating...

Code Calculations 

Sep 1, 2000, By Mike Holt

General Conductor Ampacity Requirements...

Characteristics of the Neutral Conductor 

Sep 1, 2000, By James Stallcup

Characteristics of the Neutral Conductor...

The Top 25 Proposed Code Changes for 2002 

Aug 1, 2000, By James Stallcup, Sr.

As the next edition of the NEC begins to take shape, here's a look at the top 25 most important proposed Code changes that will affect you as an electrical professional....

Classifying and Using Class 1, 2, and 3 Circuits 

Aug 1, 2000, By James Stallcup, Sr.

Classifying and Using Class 1, 2, and 3 Circuits...

Code Calculations 

Aug 1, 2000, By Mike Holt, NEC Consultant

Sizing Outlet Boxes -- Part 2...

Behind the Equipment Grounding Conductor 

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

Behind the Equipment Grounding Conductor...

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Sizing Gen-Sets: Facts, Hints, and Good Judgment
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The complexities of today’s commercial or industrial facility, with their equipment environment of linear and nonlinear loads, places a whole new light on sizing engine-generator sets.

Arc Mitigation - A Total System Approach
There’s no question the risk of arc flash hazards is real in the electrical industry. What many don’t always realize is the impact in business interruption from such events typically far outweighs the physical damage to equipment. View this On Demand Webinar!

Implementing an Industrial Ethernet Infrastructure that's Built to Last
This webinar explores the key benefits of implementing a robust complete, end-to-end Industrial Ethernet solution – from cabling and connectivity, to active components and associated hardware. View this On Demand Webinar!

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