• views: 92
• date: 2 January 2026
• posted by: AD-TEAM

Selection of electrical equipment for hazardous area, gas group, Temperature class, Ingress protection (IP rating), Zone

What you'll learn

Classification of hazardous area

Temperature class

Ingress Protection (IP rating)

Impact protection (IK Rating)

Explosive limits, Flash Points, Explosion protection

Classification of Zone/Division, Gas Grouping

Selection of electrical equipment's

Enclosure protection

Requirements

No prior knowledge is required

Description

Welcome to the Hazardous Area Classification Course!This course is designed to provide you with essential knowledge about hazardous area classification and its importance in various industries. You will learn why hazardous area classification is necessary, the different international codes and standards to follow, and key terminology used in the field.Hazardous areas are categorized into zones or divisions based on the potential presence of explosive gases or dusts. This course will explain these classifications in detail, with examples to help you understand the various zone types for both gas and dust environments.Key topics include:Types of Gas Groups: Learn about the different gas groups, which classify the potential risk associated with different gases.Temperature Classes: Understand the importance of temperature classes when selecting electrical equipment to prevent ignition hazards.Ignition Temperature: Gain insights into the ignition temperatures of different gases and how they impact equipment selection.Ingress Protection: Learn about ingress protection (IP) ratings for electrical enclosures and their role in safeguarding equipment.Impact Protection: Understand how impact protection affects equipment used in hazardous areas.Types of Protection Enclosures: Explore different types of protection methods such as Explosion-Proof, Intrinsically Safe, and other enclosures designed to prevent ignition in hazardous environments.This course will equip you with the knowledge needed to safely and efficiently select electrical equipment for hazardous areas, ensuring both safety and compliance with industry standards. By the end of the course, you'll have a thorough understanding of the critical considerations when working with hazardous areas, enabling you to make informed decisions in equipment selection and area classification.

Overview

Section 1: What is Hazardous area classification, why it is required

Lecture 1 Introduction

Lecture 2 What is Hazardous area classification

Section 2: Categorization of Hazardous Material

Lecture 3 Categorization of Hazardous Material, Class I, Class II and Class III

Section 3: Important Terminology

Lecture 4 Important Terminology, Flash Point, Explosive Limit, Iginition Temperature

Lecture 5 Explosive gas atmosphere, Source of release, Adequate ventilation, Vapor density

Section 4: HAZARDOUS AREA ZONES

Lecture 6 HAZARDOUS AREA ZONES, Zone 0, Zone 1 and Zone 2

Lecture 7 HAZARDOUS AREA ZONES, Zone 20, Zone 21 and Zone 22

Section 5: Gas Group, Temperature Class, IP rating , IK rating

Lecture 8 Gas Group

Lecture 9 Temperature class

Lecture 10 Ingress protection (IP rating)

Lecture 11 Impact Protection (IK Rating)

Section 6: Enclosure Protection

Lecture 12 Flameproof Enclosure (Ex 'd'), Increased Safety Protection (Ex 'e')

Lecture 13 Intrinsic Safety Protection

Lecture 14 Pressurized Enclosure (Ex 'p')

Lecture 15 Power/sand filled enclosure 'q', Oil Immersed enclosure 'o'

Lecture 16 Equipment Protection Level

Lecture 17 Non-Sparking Protection (Ex'n'), Energy-Limited , Restricted Breathing (nR)

Section 7: Equipment Selection Criteria for Hazardous Area

Lecture 18 Equipment Selection Criteria for Hazardous Area

Section 8: Practise Test

Section 9: Hazardous Area radius determination

Lecture 19 Direct Approach, Point source Approach, Risk based Approach

Safety officer, Safety managers, Project managers, HSE Supervisor, Electrical graduate engineers and diploma holders, Consultants





   
   
   

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