ECM Buyers' Guide

national electrical code


Branch Circuits – Part 2 

Feb 23, 2011, By Mike Holt, NEC Consultant

The ins and outs of branch circuit installations ...

What’s Wrong Here? 

Jan 25, 2011, By Joe Tedesco, NEC Consultant

Can you identify the Code violation(s) in this photo?...

Illustrated Catastrophes, January 2011 

Jan 24, 2011, By Joe Tedesco, NEC Consultant

As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without criticizing anyone or any product, the following scenarios present us with serious safety questions....

Stumped by the Code? 

Jan 24, 2011, By Mike Holt, NEC Consultant

Your most pressing National Electrical Code (NEC) questions answered...

Branch Circuits – Part 1 

Jan 24, 2011, By Mike Holt, NEC Consultant

The ins and outs of branch circuit installations...

What’s Wrong Here? 

Dec 20, 2010, By Joe Tedesco, NEC Consultant

Can you identify the Code violation(s) in this photo?...

Illustrated Catastrophes 

Dec 20, 2010, By Joe Tedesco, NEC Consultant

As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without criticizing anyone or any product, the following scenarios present us with serious safety questions....

NEC Guidelines on Commercial Garages 

Dec 20, 2010, By Mike Holt, NEC Consultant

Requirements for commercial garages per the National Electrical Code...

Stumped by the Code? 

Dec 20, 2010, By Mike Holt, NEC Consultant

Your most pressing National Electrical Code (NEC) questions answered...

Christmas in November 

Nov 23, 2010, By Mike Eby, Editor-in-Chief

Understanding the most important Code changes in the 2011 change cycle...

A Debate in the Deep End 

Nov 23, 2010, By Tom Zind, Freelance Writer

Industry experts weigh the wire mesh grid vs. single-wire approach to suppressing stray voltage around pools...

2011 National Electrical Code Changes 

Nov 23, 2010, By Mike Holt, NEC Consultant, with introduction by EC&M staff

Top 25 changes to the 2011 National Electrical Code (NEC)...

Solar Photovoltaic Systems — Part 2 

Oct 20, 2010, By Mike Holt, NEC Consultant

Part 2 on Applying the electrical requirements in Art. 690 of the National Electrical Code (NEC) for photovoltaic systems...

Stumped by the Code? 

Sep 27, 2010, By Mike Holt, NEC Consultant

Your most pressing National Electrical Code (NEC) questions answered...

Solar Photovoltaic Systems — Part 1 

Sep 27, 2010, By Mike Holt, NEC Consultant

Applying the electrical requirements in Art. 690 of the National Electrical Code (NEC) for photovoltaic systems...

The Basics of Temporary Installations 

Aug 1, 2010, By Mike Holt, NEC Consultant

Avoiding NEC Code violations in temporary installations...

Code Quandaries 

Jul 1, 2010, By Mike Holt, NEC Consultant

Your most pressing National Electrical Code (NEC) questions answered. All questions and answers are based on the 2008 NEC...

Switchboards and Panels 

Jul 1, 2010, By Mike Holt, NEC Consultant

Understanding the requirements for switchboards and panelboards in Article 408...

Pushing for Safer Work Practices 

Jun 1, 2010, By Michael Eby, Editor-in-Chief

Overview of proposed changes to the 2012 edition of NFPA 70E, “Standard for Electrical Safety in the Workplace”...

LEDs' Dirty Little Secrets 

May 1, 2010, By Steven Bellwoar, Colonial Electric Supply and Paul Hammelef, Colonial Major Projects

Inside the obstacles for electrical contractors installing light-emitting diode (LED) technology...

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product spotlight

Toroidal power transformers

Feb 8, 2012 8:39 AM

Toroidal power transformers

These toroidal power transformers are designed for medical applications...

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Arlington CP9000

Arlington's new 9" diameter ceiling cover plate is the neatest way to cover unused "high hat" cans. With no tools needed, installation couldn't be faster!...

Arlington Gangable Boxes

Designed for new or retrofit applications, these snap-together gangable plastic boxes eliminate the need to construct a multiple-gang steel box out of several individual ones...

Understanding NEC Requirements for Solar Photovoltaic Systems
During this session, Mike Holt will address possible conflicts or confusing NEC requirements, provide tips on proper electrical installation techniques, and discuss the dangers related to improper installations. View this On Demand Webinar!



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