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IEEE Guide for the Application of Electric Motors in Class I, Division 2 Hazardous (Classified) Locations

Timothy L. O'Hearn, PE


Course Outline

This 5-hour course presents the industry guide for application of general-purpose motors in Class I, Division 2 locations.  This guide documents industry experience and established practices for the application of general-purpose motors in Class I, Division 2 locations.

The course materials are based entirely on IEEE 1349-2011, Guide for the Application of Electric Motors in Class I, Division 2 Hazardous (Classified) Locations.  It will be necessary for the student to obtain a copy of IEEE 1349-2011. This is a very useful resource and is recommended that all practicing electrical or project engineers involved in the specification, design, installation, and maintenance of electric motors in Class I, Division 2 locations be familiar with and up to date with the practices provided in this guide.  Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

Learning Objective

At the conclusion of this course, the student will be familiar with:

Intended Audience

The intended audience is professional electrical engineers, project managers, and project engineers, involved in the specification, design, installation, and maintenance of electric motors in Class I, Division 2 locations.

Benefit to Attendees

This guide will assist individuals, organizations, and suppliers with the application of motors in Class I, Division 2 locations, where flammable gases and vapors may be present.  Primary emphasis is on the use of general-purpose enclosures and precautions against excessive surface temperatures and sparking of rotor bars and enclosure joints.  Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations.

Course Introduction

This 5-hour course will assist individuals, organizations, and suppliers with the application of motors in Class I, Division 2 locations, where flammable gases and vapors may be present.  Primary emphasis is on the use of general-purpose enclosures and precautions against excessive surface temperatures and sparking of rotor bars and enclosure joints.  Results of motor surface tests and calculations performed by the Motors in Hazardous Locations Working Group Member companies are documented in the guide.  Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations.

The course materials are based entirely on IEEE 1349-2011, Guide for the Application of Electric Motors in Class I, Division 2 Hazardous (Classified) Locations.  It will be necessary for the student to obtain a copy of IEEE 1349-2011. This is a very useful resource and is recommended that all practicing electrical or project engineers involved in the specification, design, installation, and maintenance of electric motors in Class I, Division 2 locations be familiar with and up to date with the practices provided in this guide.  Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations.

Course Content

This standard’s primary emphasis is the use of general-purpose enclosures and precautions against excessive surface temperatures and sparking of rotor bars and enclosure for applying electric motors in Class I, Division 2 hazardous locations.  You are required to obtain a copy of IEEE 1349-2011, Guide for the Application of Electric Motors in Class I, Division 2 Hazardous (Classified) Locations.  Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations.Thisstandard is a useful tool that assists individuals, organizations, and suppliers with the application of motors in Class I, Division 2 locations, where flammable gases and vapors may be present and that every practicing professional involve in electrical installations in Class I hazardous locations should be familiar with.

IEEE 1349-2011, Guide for the Application of Electric Motors in Class I, Division 2 Hazardous (Classified) Locations can be purchased from the following websites:

http://www.nfpa.com/
http://www.global.ihs.com/

IEEE 1349-2011, Guide for the Application of Electric Motors in Class I, Division 2 Hazardous (Classified) Locations
Table of Contents
Chapter 1 - Overview
Chapter 2 – References
Chapter 3 – Definitions, abbreviations, and acronyms
Chapter 4 – Phenomenon of a motor as a possible ignition source
Chapter 5 – Common applications
Chapter 6 – Uncommon application considerations
Chapter 7 – Operation and maintenance considerations
Chapter 8 – Motor surface temperature test methods

Course Summary

This 5-hour course will assist individuals, organizations, and suppliers with the application of motors in Class I, Division 2 locations, where flammable gases and vapors may be present.  Primary emphasis is on the use of general-purpose enclosures and precautions against excessive surface temperatures and sparking of rotor bars and enclosure joints.  Results of motor surface tests and calculations performed by the Motors in Hazardous Locations Working Group Member companies are documented in the guide.  Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations.

Related Links

For additional technical information related to this subject, please visit the following websites or web pages:

http://www.ansi.com/
http://www.ieee.com/
http://www.nfpa.com
http://www.nema.com


Quiz

Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.

Take a Quiz


DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.