Earthing & Bonding in Hazardous Areas Edition 2021 (PDF)

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About:

Edition 2021
Pages: 124
Publisher: 2QT Limited
Author: Ian Staff
Language: English;
Size: 52 Mb;

This Handbook is aimed at Electrical, Instrument and Mechanical Technician Level.

This advisory book sets out to look at Earthing and Bonding in detail and discuss how many different Earthing Systems and Methods may fit in our Hazardous Area. The book finishes by looking at Zones, Gas and Dust Groups, Ignition Temperatures and Temperature Classes and different types of Atex Categories and IEC Equipment Protection Levels. Protections such as Exd Flameproof, Exe Increased Safety, Exp Pressurization, Exn Reduced Risk and Ext Protection by Enclosure are also discussed.

The author is an Electrical Training Consultant with 38 years experience with BP Hull, seven of those years as their site Instrument / Electrical Training Officer and after retirement, 14 years as a Training Consultant carrying out Training and Assessing for the Compex Scheme at Humberside Offshore Training Association (H.O.T.A.)

Content:

About the Author
Humberside Offshore Training Association (HOTA)
Introduction
Contents
Earthing: Standard for Graphical Symbols: IEC60417
History of Earth Colours
Standard for Earthing Colours: BS7671 (18th Edition)
Distribution Transformer
Three Phase Distribution Transformer
Getting an Electric Shock
Fault to Equipment Metal Case
Earthing Systems: TNC-S/TNC/TN-S/TT/IT
Earthing System TNC-S
Earthing System TNC
Earthing System TN-S
Earthing System TT
Earthing System IT
Earthing Methods: Rods/Plates/Lattice/Electrolyte/Electrodes/Coils
Standard Earth Rods
Earthing Plates
Earth Lattice
Electrolytic Earth Electrode
Earth Electrodes in Concrete
Earth Coil Electrodes
Earth Rods and Accessories
Joining Earth Electrodes
Earth Pits
Earthing Conductors
Earthing Electrode Backfill Compounds
Marconite
Bentonite
Gel
Chemical/Gel Earth Rods
Soil Resistance Earth Testing
Soil Resistivity Testing
Ground Resistance Readings
Testing Earth Electrode Resistance
Earth Clamp Meter
Earthing Drawing Documentation & Drawings
Earth Loop Impedance TN-S
Earth Loop Impedance TT
Testing Motor Earth Path
Earth Leakage Units and RCDs
Residual Current Circuit Breaker (RCCB)
Earth Leakage Unit (ELU)
Voltage-Operated Earth Leakage Unit
Motor Earth Leakage Protection
Clean Earths
Barrier Box Clean Earth Bar
Barrier Box Clean Earth Bar
Clean Earth Intrinsic Safety
Lightning Protection
Lightning Protection Standards: IEC 62305, IEC 62561, EN 50164
Lightning Protection Zones
Lightning Ring Earthing Conductors
Voltage Surge Protection Devices (SPDs)
High Voltage Earthing
Single Earth Panel Earthing
Bus-Zone Protection
Restricted Earth Fault
Earthing Transformer & Delta Earth Protection
High Voltage Busbar Earth
High Voltage Circuit Earth
Transformer Earthing
Distribution Transformer Earthing
Centre Tap Transformer Earthing
Instrument Supply Transformer Earthing
Floating Transformer Earthing
Step Up Transformer Earthing
Auto Transformer Earthing
Current Transformer Earthing
Generator Earthing
Generator Earthing 1
Generator Earthing 2
Large Portable Generators
Chemical Storage Tank Earthing
Earthing Chemical Storage Tanks
Earthing and Bonding Floating Roof Tanks
Variable Frequency Drive Earthing
Stator to Rotor Coupling Current
Rotor to Shaft Current
Stator to Shaft Current
Stator to Ground Current
Fluting
Frosting (Pitting)
Electrical Earthing Drawing Symbols
Double Insulation
Waterjet Cleaning and Cutting
Steaming Out Bay
Socket Polarity and Earth Tester
Bonding
Earthing and Bonding?
Equipotential Bonding
Exe Increased Safety Junction Boxes
Exd Flameproof Junction Box
Bonding Flexible Hoses
Bonding/Earthing of Large Vacuum Units
Bonding/Earthing of Road Tankers
Bonding/Earthing of Road Tankers Earth Monitoring
Bonding of Pipe Flanges
Bonding of Pipes
Earthing of Pressure Vessels
Filling Cans with Hazardous Liquid
Bonding of Instrument Junction Box
What is Static Electricity?
Antistatic Footwear
Antistatic Wrist Straps
Antistatic Mats
Antistatic Spray
Protection
Hazardous Areas
Zones, Categories & Equipment Protection Levels (EPLS)
Gas Groups
Dust Groups
Temperature Classification
Several Earthing Terminologies
INDEX

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