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...
Code Quandaries, May 2010
May 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...
Wiring Methods - Part 3 of 3
May 1, 2010, By Mike Holt, NEC Consultant
Understanding the wiring method requirements of Article 314, including guidelines for conductor box fill...
The Basics of Industrial Control Panels
May 1, 2010, By Mark Lamendola, Electrical Consultant
A closer look at NEC Art. 409, which provides the minimum safety requirements for industrial control panels...
Wiring Methods — Part 2 of 3
Apr 1, 2010, By Mike Holt, NEC Consultant
Article 300 provides wiring method requirements including information on sizing and securing raceways...
Code Quandaries
Apr 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...
Stumped by the Code?
Mar 25, 2010, By Mike Holt for EC&M Magazine
Your most pressing National Electrical Code (NEC) questions answered. All questions and answers are based on the 2008 NEC...
Commercial Loads — Part 2
Mar 25, 2010, By Mike Holt, NEC Consultant
Calculating commercial receptacle loads and understanding the optional calculation method...
Wiring Methods — Part 1 of 3
Mar 1, 2010, By Mike Holt, NEC Consultant
How to correctly install the wiring methods of Chapter 3 with the help of Article 300...
The SCCR Liability Trap
Feb 1, 2010, By Peter R. Walsh, P.E., Ferraz Shawmut
Short circuit current rating (SCCR) requirements can be a serious liability for your company, your customer, and your supplier relations. Just knowing...
Illustrated Catastrophes
Jan 1, 2010, By Brian J. McPartland, NEC Consultant
Whoever performed this installation must not have even known that the NEC has rules for temporary wiring....
