2023 Hazardous (Classified) Locations

Stallcup's Hazardous (Classified) Locations is a comprehensive guide designed to help electrical professionals navigate the complexities of hazardous location classifications and electrical installations in potentially dangerous environments. This publication bridges the gap between theoretical principles and practical applications by providing clear explanations, detailed illustrations, and practical solutions.

The guide delves into the critical requirements of the National Electrical Code (NEC), NFPA standards, and other relevant regulations, offering insights into the safe design, installation, and maintenance of electrical systems in environments prone to explosive, flammable, or other hazardous conditions.

Publications

Illustrations

Presentations

Full Completed Publications

There are many options to choose from in a interactive digital pdf format.

Engaging and Effective Text

Full body text, step-by-step calculations, notes, for example, tips, and so much more.

Interactive Table of Contents

Interactivity at the highest level. Quick access to chapters and topics.

New Graphics

All new 2023 publications have been upgraded with new graphics.

Colored Illustrations

The new graphics have been colored and are visually stunning.

Illustration Overload

Illustrations with step-by-step calculations, NEC and NFPA standard loops, and so much more.

Publications and presentations

Instructors use both to help students retain the pertinent information being presented.

Engaging and effective presentations

New graphics and illustrations developed to capture the students attention and visually stunning.

Interactive presentations

Interactivity at the highest level. Quick access to chapters and topics.

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Electrical Systems

System of 1000 Volts or Less
Systems over 1000 volts
Systems of less than 50 volts

Hazardous (Classified) Locations - NEC

Divisions (Gases)
Material Groups (Class I)
Material Groups (Class II)
Classes and Divisions
Explosive Properties of Gases and Vapors (Definitions)
Enclosures
Prevention of External Ignition and Explosion
Class I, Division 1 Equipment
Class I, Division 1 Wiring Methods
Class I, Division 1 and 2 Equipment
Class I, Division 2 Wiring Methods

Requirements for Switches, Circuit Breakers, Motor Controllers, and Fuses
Requirements for Motors and Generators
Requirements for Luminaires
Requirements for Utilization Equipment
Using Flexible Cord in Class I, Division 1 and 2 Areas
Requirements for Receptacles and Attachment Caps
Wiring Methods in Class II, Division 1 and 2 Locations
Requirements for Seals and Drains (Class I, Divisions 1 and 2)
Requirements for Seals (Class II, Divisions 1 and 2) Commercial Garages, Repair, and Storage
Aircraft Hangars
Gasoline Dispensing and Service Stations
Bulk Storage Plants
Spray Application, Dipping, and Coating Processes
Classification of Area
Questions and Answers for Classifying Divisions General Requirements for Zones

Hazardous (Classified) Locations - OSHA

Scope

Class I Locations
Class II Locations
Class III Locations
Definitions to the Groups

General
Contacts and Enclosures Components

Marking
Conduits

Equipment in Division 2 Locations Electrical Installations Classification of Area
Questions and Answers for Classifying Divisions
Class I, Zone 0, 1, and 2 Locations
OSHA Sections Pertaining to Working Space Around Electrical Equipment