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. Apr 12, 2016 grounding and bonding as electrical installation protocols overlap to a certain extent, but they are not identical. Any intentional or accidental connection between an electrical. Grounding and bonding grounding and bonding national. Difference between grounding of electrical equipment and grounding of electrical systems. At the time of installation a resistance test is needed to confirm electrical continuity to ground. Making sure that all of the metallic components of a traffic signal system are wellgrounded. Testing and inspection of bondinggrounding systems. No other article can match article 250 for misapplication, violation, and misinterpretation. Bonding is the process of connecting to conductive objects together.
The presentation will examine variables in the design, installation, and maintenance of these systems pursuant to numerous environmental factors, soil conditions, and geographic regions. 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. In this webinar, well discuss key changes to the 2018 edition of nfpa 70e, including betterdefined jobsite roles and responsibilities, host employer duties, ppe use and what constitutes as energized work. I watched your webinar on the grounding vs bonding topic this morning and i was wondering about lightning protection. This web page is for information that extends or supports the book grounding and bonding for the radio amateur. Understanding nec requirements for bonding and grounding 2017 by mike holt based on the 2017 nec mike holts illustrated guide to nec requirements for bonding and grounding 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. Johnston neca executive director, standards and safety 1 welcome to a neca webinar based on the national electrical code. Grounding and bonding means that conductive parts are connected together and to the earth. Grounding and bonding national electrical code article 250 by jim biesterveld some of the material is taken from mike holt and soars presentagons nec 250. The purpose of this article is to clarify the difference and to discuss important aspects of both grounding and. Nov 26, 20 learn grounding purpose of system and equipment grounding with code expert mike holt in this excerpt from his bestselling library understanding nec requirements for grounding vs. Grounding and bonding quiz questions 2 nec code 680. Mike holts illustrated guide to grounding versus bonding. Learn grounding safety fundamentals with code expert mike holt in this excerpt from his bestselling library grounding vs.
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. Grounding is one of the very first things any electrical worker learns before allowing them to go anywhere near electrical equipment. Bonding and grounding of through bolts or screws, where installation has easy access. Grounding and bonding testing presented by mike lewis senior application engineer meggergg 2. 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. Mike holts illustrated guide to bonding and grounding. Understanding nec requirements for bonding and grounding 2017 by mike holt based on the 2017 nec mike holt s illustrated guide to nec requirements for bonding and grounding belongs in the hands of every electrician, inspector, and engineer. Grounding and bonding as electrical installation protocols overlap to a certain extent, but they are not identical. Mike holts illustrated guide to understanding nec requirements for bonding and grounding based on the 2017 nec mike holt on. 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. 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. More than any other topic in the electrical industry, grounding and bonding is at the core of most power quality, and safety, issues.
Grounding and bonding electrical systems nec code tips 101. All attendees will receive mike holts illustrated guide to nec requirements for grounding vs. This seminar is the first in a short series of electrical grounding and bonding webinars presented by neca. Grounding versus bonding many individuals confuse grounding and bonding of a traffic signal system. Electrical certification programs improve maintenance and. 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. What is the difference between grounding and bonding. We want all these to be grounded so they have zero electrical potential and cant give us a shock. Application of ieee 8020 safety in ac substation grounding including safety in grounding, range of. 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. This dvd set contains hours of video in high quality digital video disc format to guide you through the textbook.
Exposure to electrical equipment carries risk, whether at installation, inspection, maintenance, repair, upgrade, or replacement. Grounding is the process of connecting a system, equipment, or both to the earth. 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. He was a journeyman electrician, master electrician, and electrical contractor. Seminar agenda basic grounding and bonding concepts for. Any intentional or accidental connection between an electrical circuit or instrument and the earth is known as grounding. This course covers earth grounding, equipment grounding, and high resistance grounding. Mar 31, 2016 what is the difference between grounding and bonding as it applies to a swimming pool better yet is there a difference or is bonding vs. One of the most confusing areas of the trade continues to be grounding and bonding. There are three types of bolted connection, as follows. 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. 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. The text beautifully clears up misconceptions about grounding vs. The primary purpose of bonding is to control currents.
According to electrical code expert mike holt, bonding can be defined as, the permanent joining of metallic parts together to form an electrically conductive path. Surveys repeatedly show a high percentage of power quality problems are due to poor grounding and bonding. How to keep every pool safe with proper water bonding. Bonding or grounding connections are made directly to a flat surface of basic structure, or to a cylindrical surface of basic structure. Mike holts illustrated guide to understanding nec requirements for bonding and grounding based on the 2017 nec.
Grounding and bonding for the radio amateur shows you how to make sure your station follows current standards for lightning protection and communication systems, not to mention the national. Nov 14, 20 learn grounding safety fundamentals with code expert mike holt in this excerpt from his bestselling library grounding vs. Comply with nfpa 70, article 250, for types, sizes, and quantities of equipment grounding. Swimming pools, spas, hot tubs installations quiz questions nec code 680.
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. 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. Understanding nec requirements for bonding and grounding 2017. Examine types of grounding systems examine bonding compare the egcspe conductor sizing procedures in iec and nec. Groundinggg and bonding in communications systems david brender copper development association inc. Seminars on our site are currently being offered in a virtual online or webinar format during this pandemic.
Electrical engineering fundamentals related to grounding and bonding applications. Grounding and bonding problems are at epidemic levels. The extensive graphics show current flow in both normal and fault conditions, which completely illustrate just what is happening, so you can better. The proper installation of bonding and grounding devices is important in the protection of personnel and equipment. One of the most confusing areas of the trade continues to be bonding and grounding. Grounding and bonding of electrical systems tpc training. Feb 25, 2016 grounding and bonding testing presented by mike lewis senior application engineer meggergg 2. Bonding 2014 by mike holt based on the 2014 nec mike holts illustrated guide to nec requirements for grounding vs. Mike holts illustrated guide to understanding 2011 nec requirements for grounding vs. Mike holts illustrated guide to grounding vs bonding. Swimming pools, spas, hot tubs installations quiz 2. 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 update. Electrical theory has been applied to this difficult to understand article, making it easier for students to grasp the concepts of grounding and bonding.
Guidelines for grounding and bonding telecom systems. The presentation will examine variables in the design, installation, and maintenance of these systems pursuant to numerous environmental factors, soil. Learn grounding purpose of system and equipment grounding with code expert mike holt in this excerpt from his bestselling library understanding. Electrical grounding and bonding, 5th edition cengage. In the field of electrical safety training, there is a special place for the practice of grounding and bonding. Just register for the seminar you are interested in and instructions will follow.
Grounding and bonding electrical systems nec code national electrical code article 250 is all about grounding and bonding as represented in this photo where electrical systems are grounded and bonded to the buildings steel structure. In 1974, mike realized there was a need for quality electrical training and opened mike holt. Cancer treatment centers, medical office buildings, radiology centers, audio visual cctv systems, catv systems, fire alarm systems, grounding bonding systems, multimode and singlemode fiber, network distribution cable, nurse call systems, outside plant cabling, paging systems, security systems, structured cabling. Guidelines for grounding and bonding telecom systems feb 1, 2012 matt peterworth, rcdd, p. Single and multifamily units total over 22,000 with increase in large multifamily projects. The dvds showcase dynamic roundtable discussions with mike and his panel of experts.
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. Grounding and bonding can be considered one of the most confusing areas in the electrical trade. Understanding the objective of bonding of electrical equipment and methods of bonding. Connecting lightning system with earthinggrounding system 04022014 6. 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. 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. Arrl technical grounding and bonding for the radio. Additionally, mike has color coded the graphics so you can easily differentiate between bonding and grounding. Grounding and bonding grounding and bonding are fundamental components of power quality and reliability, and shldb b tbf d. Understanding the changes can help you stay compliant and keep workers safe. Grounding and bonding training in hazardous locations. Article 250 grounding and bonding mike holt enterprises. In bonding, the emphasis is on creating lowimpedance electrical connections between two or more conductive metallic bodies that are not normally currentcarrying. The purpose of this article is to clarify the difference and to discuss important aspects of both grounding and bonding systems.
Connecting lightning system with earthinggrounding system 04022014 5. Simply put, proper grounding and bonding protects your employees from electric shock and your plant and equipment from heat and fire. What is the difference between grounding and bonding as it applies to a swimming pool better yet is there a difference or is bonding vs. 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.
Bonding is generally done as protection from electrical shocks. Bonding and breaks down each of the code articles that deal with this topic. Mike holt s illustrated guide to nec requirements for grounding vs. June webinar series registration grounding and bonding for solidlygrounded systems houston, tx wednesday, july 29, 2015 tuition i will be attending the live seminar. Mike holts 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. Ul 467 grounding and bonding equipment standards catalog. Bonding is the lasting joining of metallic pieces to form a conducting path which ensures safe electrical continuity. Conflicting and convoluted manufacturers instructions. Connecting lightning system with earthinggrounding system.