Lesson series

12-14 July: Earthing and Bonding

Proper grounding and bonding of electrical equipment helps ensure that the electrical equipment and systems safely remove the possibility of electric shock by limiting the voltage imposed on electrical equipment and systems from lightning, line surges, or unintentional contact with higher-voltage lines, as well as ground fault conditions (any phase-to-ground). Article 250 of the National Electric Code® identifies grounding and bonding system installation methods. Proper grounding and bonding is also important for personnel protection, as well as for compliance with OSHA 29 CFR 1910.304(g) Grounding.

TIMINGS:
12 PM - 5 PM (UAE)
10 AM - 3 PM (EU)
9 AM - 2 PM (UK)
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LEARNING OBJECTIVES

Earthing & Bonding

Upon completion of this course, the participant should be able to:
• Interpret applicable NEC article 100 and 250 definitions  • Identify safety hazards created by ineffective grounding systems • Identify common types of grounding electrodes
• Explain the purpose of impedance or resistance groundfault detection systems
• Explain equipment utilization for grounding and bonding systems  
• Describe grounding and bonding requirements for electrical panels on the load side of the service disconnecting means
• Describe the requirements for use of an isolated grounding system
 • Perform earth resistivity tests and interpret results
 • Perform fall-of-potential earth resistance test and interpret results