| EC Mag

Codes & Standards

Essential to the work of the electrical contractor is knowledge of the National Electrical Code, the National Electrical Installation Standards and additional standards and codes administered by the National Fire Protection Association, the Occupational Safety and Health Administration and others. Here is a list of all our articles on codes and standards listed chronologically by issue date.

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Connecting The Grounding Electrode  Conductor, Protecting Copper And More 

Charlie Trout

May 2013

If you have a problem related to the National Electrical Code (NEC), are experiencing difficulty in understanding a Code requirement, or are wondering why or if such a requirement exists, ask Charlie, and he will let the Code decide. Questions can be sent to codefaqs@earthlink.net.

Code FAQs, Grounding, Circuit Protection, Overcurrent Protection, Branch-Circuit

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The Best Is Yet To Come! IEEE 1584 Update

Jim Phillips

May 2013

A lot has happened since 2002 when IEEE 1584–IEEE Guide for Arc-Flash Hazard Calculations was first published by the Institute of Electrical and Electronics Engineers.

Codes, Standards, IEEE 1584

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In The Drink 

Mark C. Ode

May 2013

In the 2011 and previous editions of the National Electrical Code (NEC), installing low-voltage lighting in close proximity to the edge of a swimming pool was a Code violation, yet almost every backyard swimming pool with a landscaped yard has low-voltage lighting too close to the pool’s edge.

Code Applications, Low Voltage, Lighting

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Sizing Conductors, Part XXIV 

Charles R. Miller

May 2013

The overcurrent device rating is a key factor when determining the correct size conductor. Article 240 in the National Electrical Code (NEC) provides general requirements for overcurrent protection and overcurrent protective devices.

Code in Focus, Codes, Standards, National Electrical Code, Tap Conductors

More on Codes & Standards

Ch-Ch-Ch-Changes

Thomas P. Hammerberg

| December 2011

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Codes & Standards

The 2009 Life Safety Code underwent significant changes from past versions, especially in Section 9.6 and the requirements regarding voice messages. The International Building Code (IBC) and NFPA 101, the Life Safety Code (LSC), differ in how they handle the delivery of emergency messages.

Sizing Conductors, Part VI

Charles R. Miller

| November 2011

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Codes & Standards

Safety is the main reason for the existence of the National Electrical Code (NEC). Its purpose is the practical safeguarding of persons and property from hazards arising from the use of electricity [90.1(A)].

Keeping up to Date

Mark C. Ode

| November 2011

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Codes & Standards

Arc-fault circuit interrupter (AFCI) protection was originally proposed for the 1996 National Electrical Code (NEC) by the Electronic Industry Association, but it failed to receive enough votes during the adoption process.

Clarifying Intent

James G. Stallcup

| November 2011

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Codes & Standards

Section 250.30 is the topic of much discussion in every workshop that I instruct on the changes in the 2011 National Electrical Code (NEC). The section has been completely rewritten in an effort to make the requirements easier to read, understand and apply.

Fridge Branch Circuit, Drilling Weep Holes and More

Charlie Trout

| November 2011

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Codes & Standards

NECA Releases Telecommunications Grounding and Bonding Standard

November 2011

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Codes & Standards

The National Electrical Contractors Association (NECA) published NECA-BICSI-607-2011, Standard for Telecommunications Bonding and Grounding Planning and Installation Methods for Commercial Buildings (ANSI).