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Equipotential Grounding

SKU: EGB-SAF - Equipotential Grounding



This 28-minute DVD describes the difference between grounding and bonding, and the importance of equipotential bonding for personal protection. It explains how accidental re-energization can occur. How to apply bonding when working on overhead lines, in substations, during conductor stringing, when locating faults, and working on vehicles.

Training Sessions

Introduction - 6 minutes
Delivers a general overview of grounding, the role of grounding in a distribution system including equipment protection. Describes multi-grounded and non multi-grounded neutrals. Shows why bonding is important for personal protection when working on de-energized equipment.

Bracket Grounding vs. Equipotential Bonding - 4 minutes
Explains the risk of accidental re-energization, and how it can happen. Describes how bracket grounding can sometimes be ineffective for personal protection. Shows how a worker is protected by the proper installation of equipotential bonding and grounding.

Overhead Line Work - 6 minutes
Step-by-step procedures for bonding during a typical overhead work situation. Shows how bonding conductors in the correct sequence, avoids injury. Gives guidelines for safely installing a temporary ground probe for non multi-grounded systems.

Special Situations - 3 minutes
Covers the care and use of hand tools and equipment used when working around energized lines: rubber gloves, pole pruners, bucket trucks.

Substations - 5 minutes
Introduces the concept of a grounding grid at a substation. Explains step-by-step procedures for grounding a piece of substation equipment after transferring its load, isolating, and de-energizing it. How to test for backfeed voltage. How to install grounds on a transformer. Guidelines for tagging isolated equipment.

Conductor Stringing, Fault Locating - 4 minutes
Large equipotential zones are required when stringing conductors to ensure that all equipment, personnel, and conductors are at the same potential. Demonstrates how to set up running grounds, grounding mats, and safety zones when stringing conductors. Shows how these precautions apply when locating faults, ensuring that equipment and workers are never caught between a deadly difference in potential.