Grounding and bonding problems are at epidemic levels. Surveys repeatedly show a high percentage of power quality problems are due to poor grounding and bonding. Electrical theory has been applied to this difficult to understand Article, making it easier for students to grasp the concepts of grounding and bonding. Additionally, Mike has color coded the graphics so you can easily differentiate between grounding and bonding.
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Includes Understanding the NEC Volume 1 full-color textbook
plus 7-dynamic DVDs that cover Articles 90 - 480 of the NEC
Includes Understanding the NEC Volumes 1 & 2 full-color textbooks, and NEC Practice Questions workbook
plus 10-dynamic DVDs that cover the NEC in a step-by-step, easy to follow format plus a free bonus DVD
Includes our full Comprehensive DVD Library material
plus Changes to the NEC DVD Library, Grounding Vs. Bonding DVD Library, Limited Energy txbk, Und. the NEC Vol. 1 workbook, and Electrical Formulas quick reference Book