The Basics of Temporary Installations 

Aug 1, 2010, By Mike Holt, NEC Consultant

Avoiding 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”...

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...

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 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....

What's Wrong Here? 

Jan 1, 2010, 

Hint: Permissible wiring methods...

Commercial Loads — Part 1 

Jan 1, 2010, By Mike Holt, NEC Consultant

The electrical load requirements for commercial installations result in a great deal of diversity in usage....

Stumped by the Code? 

Jan 1, 2010, By Mike Holt, NEC Consultant

Q. Do I need a grounding conductor for a pole light, or is the ground rod good enough? ...

Multifamily Dwelling Unit Service and Feeder Calculations 

Dec 1, 2009, By Mike Holt, NEC Consultant

How to calculate the service for a single-family or a multifamily dwelling...

Illustrated Catastrophes 

Dec 1, 2009, By Brian J. McPartland, NEC Consultant

More Code catastrophes uncovered and corrected in these faulty installations ...

resources

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