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. 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. The extensive graphics show current flow in both normal and fault conditions, which completely illustrate just what is happening, so you can better. Bonding and grounding of through bolts or screws, where installation has easy access. Swimming pools, spas, hot tubs installations quiz 2. Single and multifamily units total over 22,000 with increase in large multifamily projects. 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. Understanding the changes can help you stay compliant and keep workers safe.
Grounding is one of the very first things any electrical worker learns before allowing them to go anywhere near electrical equipment. 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. Understanding nec requirements for bonding and grounding 2017. Testing and inspection of bondinggrounding systems. Connecting lightning system with earthinggrounding system.
Apr 12, 2016 grounding and bonding as electrical installation protocols overlap to a certain extent, but they are not identical. What is the difference between grounding and bonding. June webinar series registration grounding and bonding for solidlygrounded systems houston, tx wednesday, july 29, 2015 tuition i will be attending the live seminar. Any intentional or accidental connection between an electrical. Grounding and bonding training in hazardous locations. In the field of electrical safety training, there is a special place for the practice of grounding and bonding. 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. Learn grounding purpose of system and equipment grounding with code expert mike holt in this excerpt from his bestselling library understanding. Application of ieee 8020 safety in ac substation grounding including safety in grounding, range of. Guidelines for grounding and bonding telecom systems feb 1, 2012 matt peterworth, rcdd, p. Electrical engineering fundamentals related to grounding and bonding applications.
Surveys repeatedly show a high percentage of power quality problems are due to poor grounding and bonding. 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. Grounding and bonding can be considered one of the most confusing areas in the electrical trade. Electrical grounding and bonding, 5th edition cengage. Mike holts illustrated guide to understanding nec requirements for bonding and grounding based on the 2017 nec. Swimming pools, spas, hot tubs installations quiz questions nec code 680. Difference between grounding of electrical equipment and grounding of electrical systems. 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. One of the most confusing areas of the trade continues to be grounding and bonding. Bonding is the process of connecting to conductive objects together.
Understanding the objective of bonding of electrical equipment and methods of bonding. This course covers earth grounding, equipment grounding, and high resistance grounding. In 1974, mike realized there was a need for quality electrical training and opened mike holt. Grounding and bonding as electrical installation protocols overlap to a certain extent, but they are not identical. Seminar agenda basic grounding and bonding concepts for. Examine types of grounding systems examine bonding compare the egcspe conductor sizing procedures in iec and nec. Electrical certification programs improve maintenance and. Simply put, proper grounding and bonding protects your employees from electric shock and your plant and equipment from heat and fire. 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. Mike holts illustrated guide to grounding vs bonding. Guidelines for grounding and bonding telecom systems. How to keep every pool safe with proper water bonding. Conflicting and convoluted manufacturers instructions.
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. Making sure that all of the metallic components of a traffic signal system are wellgrounded. Additionally, mike has color coded the graphics so you can easily differentiate between bonding and grounding. This seminar is the first in a short series of electrical grounding and bonding webinars presented by neca. This web page is for information that extends or supports the book grounding and bonding for the radio amateur. 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.
Ul 467 grounding and bonding equipment standards catalog. Grounding and bonding quiz questions 2 nec code 680. 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. We want all these to be grounded so they have zero electrical potential and cant give us a shock. 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.
Bonding and breaks down each of the code articles that deal with this topic. Johnston neca executive director, standards and safety 1 welcome to a neca webinar based on the national electrical code. Comply with nfpa 70, article 250, for types, sizes, and quantities of equipment grounding. 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. The dvds showcase dynamic roundtable discussions with mike and his panel of experts. Bonding is generally done as protection from electrical shocks. Just register for the seminar you are interested in and instructions will follow. Exposure to electrical equipment carries risk, whether at installation, inspection, maintenance, repair, upgrade, or replacement. Connecting lightning system with earthinggrounding system 04022014 5. 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. No other article can match article 250 for misapplication, violation, and misinterpretation.
Mike holt s illustrated guide to nec requirements for grounding vs. 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. 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. Grounding and bonding grounding and bonding are fundamental components of power quality and reliability, and shldb b tbf d. 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 is the lasting joining of metallic pieces to form a conducting path which ensures safe electrical continuity. 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 electrical systems nec code tips 101. Mike holts illustrated guide to nec requirements for grounding vs. Seminars on our site are currently being offered in a virtual online or webinar format during this pandemic. 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.
Bonding or grounding connections are made directly to a flat surface of basic structure, or to a cylindrical surface of basic structure. More than any other topic in the electrical industry, grounding and bonding is at the core of most power quality, and safety, issues. 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. 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.
He was a journeyman electrician, master electrician, and electrical contractor. 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 presentation will examine variables in the design, installation, and maintenance of these systems pursuant to numerous environmental factors, soil conditions, and geographic regions. Nov 14, 20 learn grounding safety fundamentals with code expert mike holt in this excerpt from his bestselling library grounding vs. Any intentional or accidental connection between an electrical circuit or instrument and the earth is known as grounding. The proper installation of bonding and grounding devices is important in the protection of personnel and equipment. Mike holts illustrated guide to grounding versus bonding.
Grounding and bonding testing presented by mike lewis senior application engineer meggergg 2. This dvd set contains hours of video in high quality digital video disc format to guide you through the textbook. The presentation will examine variables in the design, installation, and maintenance of these systems pursuant to numerous environmental factors, soil. 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. The text beautifully clears up misconceptions about grounding vs. Grounding and bonding means that conductive parts are connected together and to the earth. 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. Grounding is the process of connecting a system, equipment, or both to the earth. One of the most confusing areas of the trade continues to be bonding and grounding. Connecting lightning system with earthinggrounding system 04022014 6. Mike holts illustrated guide to understanding nec requirements for bonding and grounding based on the 2017 nec mike holt on. Learn grounding safety fundamentals with code expert mike holt in this excerpt from his bestselling library grounding vs. Grounding and bonding grounding and bonding national. It explains the differences between all three grounding systems, emphasizing the critical function that equipment ground performs.
Article 250 grounding and bonding mike holt enterprises. 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. 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. There are three types of bolted connection, as follows. At the time of installation a resistance test is needed to confirm electrical continuity to ground. 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. 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. 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.
I watched your webinar on the grounding vs bonding topic this morning and i was wondering about lightning protection. 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. The primary purpose of bonding is to control currents. The purpose of this article is to clarify the difference and to discuss important aspects of both grounding and. Mike holts illustrated guide to bonding and grounding.