Mike holt s illustrated guide to grounding versus bonding 2011 edition wanswer key. Guidelines for grounding and bonding telecom systems feb 1, 2012 matt peterworth, rcdd, p. Mike holt s illustrated guide to grounding versus bonding article 250, based on 2005 nec wanswer key mike holt on. The most obvious hazards are death or injury from electrical burns, shocks, arc flash, fires, and explosions, but electrical incidents can also cause equipment and product damage, process or business interruption and legal and public relations costs. The presentation will examine variables in the design, installation, and maintenance of these systems pursuant to numerous environmental factors, soil. Bonding and grounding of through bolts or screws, where installation has easy access. The book brings together material from numerous amateur radio and industry sources to. Mike holt s illustrated guide to grounding versus bonding 2011 edition wanswer key mike holt on. I know that the ground rod isny supposed to protect the fixture from damage from lightning, however, does it not protect the system upstream from the fixture from massive. Understanding the objective of bonding of electrical equipment and methods of bonding.
Tb blackburn solar panel feed through grounding lug ajb salesabb jokab safety products. A conductor, screw, or strap that bonds the equipment grounding bonding conductor. Bonding and grounding are very effective techniques for minimizing the likelihood of ignition from static electricity a bonding system connects various pieces of conductive equipment and structures. Whether its a grounding or bonding connection, the goal in house wiring is to have no metal boxes or any other conductive materials near the wires become electrically hot. 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. If the building or structure served has no intersystem bonding termination, the grounding conductor shall be connected to the nearest accessible location on the following. In building electrical systems, grounding and bonding are two terms that are often misunderstood. Take free online practice test on grounding and bonding. Improper application of the concepts of grounding and bonding may create lethal shock and fire. These articles were posted before 01012011 and are most likely outdated. What is the difference between bonding, grounding and. Jan 18, 2017 grounding and bonding ieee spokane section is proud to announce we will be hosting terry klimchak, who has over 30 years of experience in key applications engineering and consulting roles for erico products, now a division of pentair technical solutions.
Making sure that all of the metallic components of a traffic signal system are wellgrounded. Grounding and bonding theory quiz 1 electrician practice tests. Surveys repeatedly show a high percentage of power quality problems are due to poor grounding and bonding. Mike holt s illustrated guide to grounding versus bonding 2011 edition wanswer key 9781932685831 by mike holt and a great selection of similar new, used and collectible books. Electrical ceu seminars grounding versus bonding part1. Mike holts illustrated guide to bonding and grounding. Grounding and bonding as electrical installation protocols overlap to a certain extent, but they are not identical.
Mike holts illustrated guide to grounding vs bonding. This seminar is the first in a short series of electrical grounding and bonding webinars presented by neca. Grounding quiz, by mike holt ecn electrical forums. Successful grounding versus bonding live webinar with mike holt may 31st. Electrical ceu seminars grounding versus bonding part2. Grounding and bonding milestone electrical training.
Any intentional or accidental connection between an electrical circuit or instrument and the earth is known as grounding. Bonding belongs in the hands of every electrician, inspector, and engineer who needs to. This a good video about grounding and bonding for those who get the two confused, their not the same and this is a good video to learn the difference. This information was extracted from mike holts textbook. Describe groundfault circuit interrupter requirements. The terms grounding and bonding are found throughout the nec text, and while they are seemingly interchangeable, they are actually two distinct procedures when it comes to the national. Grounding versus bonding many individuals confuse grounding and bonding of a traffic signal system.
In 1974, mike realized there was a need for quality electrical training and opened mike holt. Bonding is more clear word compare to grounding and earthing but. Grounding vs bonding courtecy of mike holt electrical. Grounding versus bonding understanding the difference in. The washer fits over the bolt, and when tightened to the prescribed torque value. Mike holt s illustrated guide to grounding versus bonding 2008 edition wanswer key mike holt on. The purpose of this article is to clarify the difference and to discuss important aspects of both grounding and bonding systems. Get free shipping on mike holt s illustrated guide to understanding nec requirements for grounding vs bonding based on the 2014 nec isbn. Mike holt grounding vs bonding nec requirements for sample. Mike holt s illustrated guide to grounding versus bonding 2011 edition wanswer key one of the most confusing areas of the trade continues to be grounding and bonding. Bonding belongs in the hands of every electrician, inspector, and engineer.
Mike holts illustrated guide to grounding versus bonding. In bonding, the emphasis is on creating lowimpedance electrical connections between two or more conductive metallic bodies that are not normally currentcarrying. Difference between earthing and grounding difference between. Bonding belongs in the hands of every electrician, inspector, and engineer who needs to understand the, seemingly conflicting. Bonding belongs in the hands of every electrician, inspector, and engineer who needs to understand the, seemingly conflicting, information of how to properly apply the nec rules of grounding and bonding. One of the most confusing areas of the trade continues to be grounding and bonding. In recent years, the use of foundation grounding has been high a galvanized strip in the foundation of the.
Grounding versus bonding part 1 of 12 mike holt enterprises. Guidelines for grounding and bonding telecom systems. I watched your webinar on the grounding vs bonding topic this morning and i was wondering about lightning protection. Machine screws and threadforming machine screws shall not be used to connect grounding and bonding conductors. This web page is for information that extends or supports the book grounding and bonding for the radio amateur. Youll find these clips instructional and entertaining and youll see. Examine types of grounding systems examine bonding compare the egcspe conductor sizing procedures in iec and nec. Bonding is generally done as protection from electrical shocks. Mike holts illustrated guide to nec requirements for grounding vs. The safe execution of temporary grounding and bonding techniques requires. The grounding system consists of electro conductive parts in direct contact with the ground. This program is unique in its ability to explain grounding, bonding and the difference.
More than any other topic in the electrical industry, grounding and bonding is at the core of most power quality, and safety, issues. We want all these to be grounded so they have zero electrical potential and cant give us a shock. Bonding or grounding connections are made directly to a flat surface of basic structure, or to a cylindrical surface of basic structure. Additionally, mike has color coded the graphics so you can easily differentiate between grounding and bonding. Just register for the seminar you are interested in and instructions will follow.
This is a brief walk through of a simple grounding and bonding system, and what happens with the flow of current in normal operation, and in. Ppc offers a full line of telco bonding and grounding hardware to cover every possible installation scenario. One of the most confusing areas of the trade continues to be bonding and grounding. 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. Mikes ability to explain these rules and the practical application of these rules in real world settings will help you really understand how to apply the nec everyday. Identify key concepts in the nec for bonding and grounding clarify the terminology used by iec standards, with regards to the protection against indirect contact in ac 5060 hz systems by. Electrical system grounding that is connected to earth will limit the voltage imposed by which of the following. Simply put, proper grounding and bonding protects your employees from electric shock and your plant and equipment from heat and fire. There are three types of bolted connection, as follows. All discussions only photos only videos only links only polls only.
One of the most misunderstood and confused concept is difference between bonding, grounding and earthing. Grounding and bonding problems are at epidemic levels. Successful grounding versus bonding live webinar with mike holt may 31 st 2012 grounding and bonding, part 3 based on the 2011 nec june 14 th 2011 grounding and bonding, part 2 based on the 2011 nec may 30 th 2011 grounding and bonding, part 1 based on the 2011nec may 9 th 2011. For that reason, mike has made these videos, from his training dvds, available to you for free. This is a brief walk through of a simple grounding and bonding system, and what happens with the flow of current in normal operation, and in a ground fault condition. Mike holt s grounding and bonding seminar 08252018. Mike holts illustrated guide to nec requirements for bonding and grounding belongs in the hands of every electrician, inspector, and engineer who needs to understand the seemingly conflicting information of how to properly apply these particular nec rules. Since 1973, mike has written or taught on practically every subject in the electrical trade, from grounding and bonding, to estimating, to power quality and low voltage systems. Grounding, bonding and connectivity tools estimate system resistance values for basic grounding system designs and calculate the number of bags of ground enhancement material required with our gem calculator.
The extensive graphics show current flow in both normal and fault conditions, which completely illustrate just what is happening, so you can better. Cambridge royal sonesta boston 40 edwin land boulevard, cambridge, ma 02142. Electrical theory has been applied to this difficult to understand article, making it easier for students to grasp the concepts of grounding and bonding. Feb 25, 2016 grounding and bonding testing presented by mike lewis senior application engineer meggergg 2. Mike holt enterprises the leader in electrical training. This 2day electrical grounding and bonding seminar highlights one of the most important but least understood articles in the national electric code grounding and bonding. Grounding quiz by mike holt when answering these questions it very important that you base your answers on the following terms as defined by the 2005 national electrical code. An arcfault circuit interrupter is a device intended to deenergize the circuit when it. Because proper grounding and bonding is essential to most power and safety issues, the topics covered in this seminar are vital to all professionals within the electrical industry. Grounding and bonding can be considered one of the most confusing areas in the electrical trade. He was a journeyman electrician, master electrician, and electrical contractor. Johnston neca executive director, standards and safety 1 welcome to a neca webinar based on the national electrical code. 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.
Testing and inspection of bonding and grounding systems. Bonding is the lasting joining of metallic pieces to form a conducting path which ensures safe electrical continuity. Mike holts illustrated guide to grounding vs bonding based. This course covers earth grounding, equipment grounding, and high resistance grounding. Difference between bonding, grounding and earthing. In bonding, the emphasis is on creating lowimpedance electrical connections between two. What is the difference between grounding and bonding.
Grounding and bonding of electrical systems tpc training. Grounding is essential in electrical system to safe guard the electrical devices and persons from the high voltage surges. Bonding 2014 by mike holt based on the 2014 nec mike holt s illustrated guide to nec requirements for grounding vs. It explains the differences between all three grounding systems, emphasizing the critical function that equipment ground performs. Exposure to electrical equipment carries risk, whether at installation, inspection, maintenance, repair, upgrade, or replacement. If i run a wire from an outlet ground rag wire to a water pipe, is this a bond or a ground or just a bad idea in california. Difference between grounding of electrical equipment and grounding of electrical systems. More than any other topic in the electrical industry, grounding and bonding is at the core of most power quality, and safety issues, making this book a must have for everyone in the industry. Successful grounding versus bonding live webinar with mike holt may 31 st 2012 grounding and bonding, part 3 based on the 2011 nec june 14 th 2011 grounding and bonding, part 2 based on. Article 314outlet, device, pull and junction boxes, conduit bodies, and handhole enclosures.
Bonding belongs in the hands of every electrician, inspector, and engineer one of the most confusing areas of the trade continues to be grounding and bonding. Hethods of bonding grounding across flexible and insulated structural joints, compatible with the poorly conductive structural materials of a spacecraft, grounding and bonding philosophy and design concepts with respect to high voltage, high current equipment, and logic and control equipment to sustain the operatio11 of the high power equipment. Seminars on our site are currently being offered in a virtual online or webinar format during this pandemic. Mike holt s illustrated guide to nec requirements for grounding vs. Bonding washers are used in conjunction with holddown clamps and bolted joints on the racking system. Nov 14, 20 learn grounding safety fundamentals with code expert mike holt in this excerpt from his bestselling library grounding vs. Now available 2020 bonding and grounding products february 28th 2020. Mike holt grounding vs bonding and textbook sample graphic. Grounding electrode system and grounding electrode conductor part iii znec 250. To understand why this is important we must acknowledge some basic facts. Explain the fundamentals, basic principles, and requirements of grounding and bonding. All in classroom courses are approved for trainees, journey level electricians, administrators, and master electricians. Companies across the united states have utilized the services of mike. Bonding is more clear word compare to grounding and.
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