Electrical Power Equipment Safety Series

Operational as well as safety concerns for electrical power equipment components

Here are twelve videotape training programs designed to cover specific electrical power equipment components. Each program covers operational as well as safety concerns for each system.

Part 01: Power Transformers

This program illustrates the basic design of a power transformer, how it works, and safety concerns to consider when working with this equipment. 10:00

Part 02: Potential Transformers

One of the major hazards associated with potential transformers is electrical backfeed. This program discusses this hazard and what to do to minimize it, as well as illustrating the potential transformer design. 7:00

Part 03: Air Magnetic Circuit Breakers

This program discusses and illustrates the design and operation of air magnetic circuit breakers as well as safety concerns associated with this piece of equipment. 10:00

Part 04: Current Transformers

Current transformers are used in electrical power systems to step up or step down current. In this program, we look at current transformers, how they operate, and what safety precautions to follow when working on them. 6:30

Part 05: Power Distribution Systems

The use of a current, up-to-date, one line diagram is essential for work on electrical equipment. In this program we look at the importance of the one line diagram when working on power distribution systems as well as safety concerns to be aware of when working on power distribution systems. 8:00

Part 06: Motor Control Centers

This program looks at the main hazards associated with motor control centers, what they are used for, and safety precautions to follow when working around them. 7:30

Part 07: Contactors

This program discusses contractors, how they are used, maintenance, and safety precautions to follow when working with them. 7:00

Part 08: Fuses

One of the more reliable types of overcurrent protective devices if the fuse. This program looks at the key components of the fuse, how they are rated, and the visual and mechanical inspection procedures. 10:00

Part 09: Molded Case Circuit Breakers

Molded case circuit breakers are used primarily for low voltage circuit protection. In this program we look at the major components of molded case circuit breakers, the four trip elements used in them, commonly performed tests, as well as safety precautions to follow. 11:00

Part 10: Vacuum Circuit Breakers

This program illustrates the major components of a vacuum circuit breaker, how it operates, as well as safety practices to follow when working with them. 6:00

Part 11: Oil Circuit Breakers

This program looks at oil type circuit breakers, how they operate, along with safety precautions to follow when working with them. 7:30

Part 12: Sulfur Hexafluoride (SF6) Circuit Breakers

This program looks at the major components of SF6 circuit breakers as well as generally accepted safe work practices to follow when working with them. 6:30

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