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5. Grounding Bonding Shielding

By taking this course you will gain basic principles of grounding, bonding, shielding and their use in protecting the electrical worker and others associated with the operation, installation, and construction of equipment, including the details of grounding, bonding, and shielding requirements for application sizing and protection. The course defines the different types of grounding and how it is applied to real world applications and demonstrates with objective currents and how to handle them in relation to sensitive electronic equipment. Power quality issues are covered as related to grounding, bonding and shielding of sensitive electronic equipment such as instrumentation, process controls, drives, PLC's...

Volume 1

Topics include:

  • Definition of terms, four secrets of electricity as related to grounding, identification requirements, grounding relationship to over-current protection
  • Grounding connection and terminations
  • Grounding bonding and shielding language
  • Understanding electrical shocks and the anatomy of electrical shocks
  • Four purposes of grounding

Volume 2

Topics include:

  • Four purposes of grounding continued
  • Grounding of communication systems
  • Understanding how objective currents occur
  • Understanding neutral current flow
  • Electrical shock table
  • Grounding of sensitive electronic equipment
  • Steps to size equipment grounding conductor

Volume 3

Topics include:

  • Grounding separately derived systems
  • When and where grounding of transformers, generators, phase converters, photovoltaic (solar) systems should occur
  • General rules of thumb
  • Grounding of second buildings
  • How to clear a ground fault before it occurs
  • Grounding electrode system
  • Signal reference grid
  • How to determine ground resistance
  • Alternative grounding methods
  • How to size grounding electrode conductor
  • Main bonding jumper design and application
  • How to size the main bonding jumper
  • Design and application of bonding jumpers
  • Grounding performance during a fault
  • How to size the different types of grounding and bonding conductors when IR (voltage) drop is an issue
  • Lightning protection

Volume 4

Topics include:

  • Removing myths and of grounding
  • Bonding and shielding applications
  • Grounding low voltage systems, shielding of communication lines and circuits, alternative grounding methods to remove noise, shielding methods
  • How to handle high frequency effects on grounding and shielding systems
  • How to handle common, transverse and differential mode noise
  • Grounding and shielding of process controls
  • How to handle ground loops
  • Isolated grounding
  • Grounding and bonding of IT equipment

1. Understanding Basic Electricity for Electrical Safety
2. OSHA Electrical Requirements - CFR 1910 Subpart S., Less Than 600 Volts
3. Guide to Electrical Safety Work Practices - NFPA 70 E
4. Guide to the National Electrical Code for Field Use - NFPA 70
5. Grounding Bonding Shielding
6. Preventive and Predictive Maintenance Standard - NFPA 70 B
7. Industrial Machines - NFPA 79
8. OSHA Electrical Requirements – CFR 1910.269 Above 600 Volts

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