Earthing and grounding are actually different terms for expressing the same concept. Soares book on grounding and bonding 9781890659738. The proper bonding and grounding of the system is often enough to control this static buildup. The book brings together material from numerous amateur radio and industry sources to present a comprehensive picture of basic grounding and bonding practices related to ac electrical safety, lightning protection, and the management of rf currents and voltages in the typical ham station. Electrical power distribution systems are often connected to ground to limit the voltage that can appear on distribution circuits.
Article 250 grounding and bonding mike holt enterprises. Its an easy read that is written for learning and understanding, not just a reference like nfpa 70 nec code book. These bonded objects are usually but not always grounded. Download pdf soares book on grounding and bonding nec. Where a dielectric main water fitting is installed, connect grounding conductor to street side of fitting. Grounding electrode a grounding electrode is an electrically conductive solid rod, plate, or ring of approved materials and whose size and surface area are sufficient to permit adequate contact with the earth in which it is buried or driven. Nec and the uks bs 7671 list systems that are required to be grounded. Grounding of an electrical system should be done to limit high voltage causes by lighting strikes or any misscontact of low voltage wires with high voltage wires. This document provides basic and application information on grounding, bonding, and shielding practices recommended for electronic equipment.
To ensure that a static charge will not create a spark as. Soares book on grounding and bonding, based on the 2011 nec. There are three types of bolted connection, as follows. The book explains how and why certain grounding methods are used in a logical way that balances text with photos and illustrations. Earthing grounding quiz questions electrician exams. Download table of contents, sample pages, and index pdf. Although grounding to 25 ohms does not provide adequate protection against the groundfault situation just discussed that is the role of bonding, it does help in the dissipation of voltage transients so that sensitive and expensive electronic equipment is protected. Soares electrical grounding and bonding updated to the 2014 nec. Grounding has often puzzled experts and caused nonexperts to quake through the years.
Many of the most important concepts are introduced in the early chapters, and then expanded upon in later chapters. Learn grounding and bonding with free interactive flashcards. This 9th edition has been meticulously revised to the 2005 national electrical code. This is called system grounding and most electrical systems are required to be grounded. Jul 01, 2014 since grounding bonding is such a big part of power quality, i get a new book every 3 years. Apr 12, 2016 grounding and bonding as electrical installation protocols overlap to a certain extent, but they are not identical. The accompanying coursework provided in the seminar cost soares book on grounding and bonding. Jim brown, k9yc, sent this photo of grounding jumpers green wires in the back of a nice portable station built by glen brown, w6gjb, for the california qso party. In 1974, mike realized there was a need for quality electrical training and opened mike holt. Soares book on grounding and bonding, th edition nec 2017 kindle. An underground water main is a good grounding point, or a metal grounding rod can be driven into the earth. It will provide valuable information and guidance to personnel concerned with the preparation of specifications and the procurement of electrical and electronic equipment for the defense communications system. To ensure a static spark is not created by the difference, a conductive path must be provided to the earth. Choose from 165 different sets of grounding and bonding flashcards on quizlet.
Completely updated to reflect the 2020 national electrical code, simmons electrical grounding and bonding, sixth edition equips you with a userfriendly, practical guide to the latest requirements in both article 250 and chapter 5 of the nec along with current industry best practices. Bonding and grounding of flammable liquids quick tips. Section 260526 grounding and bonding 030314 issued for bids 260526 7 building. Soares grounding and bonding, nec2017 view product soares grounding and bonding, nec2017 pdf view product soares grounding and bonding, nec2014. May 02, 2017 this book is well put together and does a great job of introducing the concepts of grounding and bonding in common electrical systems. We offer engineering experience and technical support that is second to none in the industry. Clear explanations, realworld examples and colorful. The book explains how and why certain grounding methods are used in a. Handbook and the international association of electrical inspectors iaei soares book on grounding are recommended see access. Iaei acquired the to soares book in 1981 and published the second edition under the title soares grounding electrical distribution systems for safety.
From motor lead disconnects and compression connectors to conduit fittings and seismic bracing, abb provides the electrical systems and components you need to ensure reliable operation and minimal downtime. Soares book on grounding and bonding, th edition nec 2017. One of the most misunderstood and confused concept is difference between bonding, grounding and earthing. Bonding and grounding flammable iquid transfer figure 2 illustrates the bonding and grounding steps necessary when using a drum pump. Improving your skills in electrical grounding and bonding has never been easier. Electrical inspectors publication, soares book on grounding and bonding. Soares book on grounding and bonding 9th edition by. Soares book on grounding and bonding, 2014 explains how and why certain grounding methods are used, but it does so in a logical way, balancing text with photos and illustrations.
Where the national electrical code nec has been enacted into a jurisdictions body of law, it mandates every aspect of electrical installations from the point of view of safety. Soares book on grounding and bonding nec 2014 download soares book on grounding and bonding nec 2014 ebook pdf or read online books in pdf, epub, and mobi format. Bonding is more clear word compare to grounding and earthing but there is a micro difference between grounding and earhing. Bond metal grounding conductor conduit or sleeve to conductor.
Your company assured equipment grounding program 1. Difference between bonding, grounding and earthing. For bonding and grounding to be effective, a metaltometal connection must be maintained between the bonding and grounding wires and the containers. Soares book on grounding and bonding, a longtime classic, is believed to be the most authoritative book on grounding. Since groundingbonding is such a big part of power quality, i get a new book every 3 years.
Electrical system grounding that is connected to earth will limit the voltage imposed by which of the following. Bonding provides the safety during fault current and. Connect grounding conductors to main metal water service pipes by grounding clamp connectors. A distribution system insulated from ground may attain a high potential due to transient voltages caused by arcing, static electricity, or accidental contact with higher potential circuits.
Electrical grounding and bonding by phil simmons alibris. For those eager to improve their skills in electrical grounding and bonding, this is the book to get. Bonding is achieved by using a wire while grounding is achieved by using a rod. Johnston neca executive director, standards and safety 1 welcome to a neca webinar based on the national electrical code. Electrical grounding and bonding, 5th edition cengage. Furnish and install a complete and fullyfunctioning grounding and bonding system.
A grounding electrode conductor gec is used to connect the system grounded neutral conductor, or the equipment to a grounding electrode, or a point on the grounding electrode system. Mike holt worked his way up through the electrical trade from apprentice electrician through electrical contractor, to become one of the most recognized experts in the world as it relates to electrical power installations. Soares book on grounding and bonding international. Item detail soares grounding electronic version 2017 iaei. With this experience, erico is a world leading authority in the design and construction of permanent, low impedance. I general ii system grounding iii grounding electrode system and grounding electrode conductor iv enclosure, raceway, and service cable grounding v bonding. Need information on grounding and bonding rules within the national electrical code. Soares book on grounding and bonding, th edition nec 2017 international association of electrical inspectors, kathryn p. Handbook and the international association of electrical. Estimate system resistance values for basic grounding system designs and calculate the number of bags of ground enhancement material required with our gem calculator. Bonding eliminates the difference in electrical potential between containers that are bonded together, but it will not eliminate the potential difference between an object and the ground. Soares book on grounding and bonding, th edition nec. Iaei has brought grounding down to earth in this updated book.
Note that the pump is electrically connected to the bulk drum, the container being filled and the fixed grounding system. However, if rapid flow rates are used to transfer the liquid into a storage tank or container, high electrical potentials can occur on the surface of the liquid in the tank. Bonding and grounding is a very effective technique for minimizing the likelihood of an ignition from static electricity. To ground or not to ground inside nmsu new mexico state. This is a discussion of the basic principles behind grounding systems and how grounding is related to safety and the effective operation of circuit protection devices such as fuses and circuit breakers. Soares book on grounding and bonding 2014 nec connecting to. Grounding is the process of eliminating potential difference between an object and the earth. A bonding system connects various pieces of conductive equipment together to keep them at the same potential.
You have reached 0 of 0 points, 0 not categorized 0% question 1 of 15. International association of electrical inspectors improve your electrical skills and knowledge with soares book on grounding and bonding based on the 2011 nec cut through common misconceptions about grounding with this unique, handson electrical reference from the international association of electrical inspectors iaei. Bonding ensures safe electrical continuity while grounding ensures that all metal parts of an electrical circuit that an individual might contact are connected to the earth, thus ensuring zero voltage. If you want to learn about grounding and bonding, this is the book. The process of bonding and grounding can be defined as providing an electrically conductive pathway between a dispensing container, a receiving container and an earth ground. The jumpers are all short and direct, keeping the equpment bonded together at rf. Principles of electrical grounding john pfeiffer, p. This seminar is the first in a short series of electrical grounding and bonding webinars presented by neca. Grounding grounding an object serves a different purpose than bonding. This pathway helps eliminate the buildup of static electricity by allowing it to safely dissipate into the ground. Bonding shall be provided where necessary to ensure electrical continuity must have the capacity to conduct safely any fault current likely to be imposed grounding and bonding must be effective these are the safety circuits of the electrical system the safety circuit bonding path must have the. Completely updated to reflect the 2017 national electrical code, electrical grounding and bonding, 5th edition, features complete, current coverage of grounding and bonding requirements in both article 250 and chapter 5 of the nec.
If so, remove attachment pin from arm setting device on the top of the pump and raise and lower the slave arm until pressure builds. He was a journeyman electrician, master electrician, and electrical contractor. This practice is called grounding and it is done to limit the voltage imposed by lightning, line surges, or unintentional contact with highervoltage lines and to stabilize the voltage to earth during normal operation as documented by 250. Bonding or grounding connections are made directly to a flat surface of basic structure, or to a cylindrical surface of basic structure.
All cables, terminations, support hardware, and grounding and bonding hardware shall be furnished, installed, tested, labeled, and documented by the. Soares book on grounding download ebook pdf, epub, tuebl. Soares book on grounding and bonding is the authoritative book on grounding and bonding practices that is. This refers grounding one ore more current carrying hot conductors of the electrical system. Soares book on grounding and bonding 2014 nec connecting to earth the grounding electrode system free download as pdf file.
In the late 1990s, because there was so much confusion on this topic, the nec correlating committee formed a special task group for usability to tackle article 250. In bonding, the emphasis is on creating lowimpedance electrical connections between two or more conductive metallic bodies that are not normally currentcarrying. The iaei book even gives some of the history of grounding requirements in the u. Grounding and bonding theory quiz 1 electrician practice tests.
The safe execution of temporary grounding and bonding techniques requires. Bonding and grounding of through bolts or screws, where installation has easy access. To ground handbook and the international association of. Static sparking cannot take place between objects that are the same potential. Soares book on grounding and bonding based on the 2017 nec is a stepbystep guide through the bonding and groundingrelated language and intent of the 2017 national electrical code. Pay careful attention to the definitions that apply to grounding and bonding both here and in article 100 as you begin the study of this important article. Both the national fire protection association nfpa and the occupational safety and health administration.
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