Protective Devices, Measures, and PPE

SKU: C-601Duration: 22 Minutes

Most workplaces have electric circuits that can be dangerous. In order to perform electrical work safely, all electrical work requires careful preplanning and execution according to safe work practices. This course covers fuses and circuit breakers along with typical grounding systems. It then discusses safe work practices and housekeeping, and ends with several protective devices to help keep you and the people around you safe from electrical hazards.

Course Details

Specs

Training Time: 22 minutes

Compatibility: Desktop Only

Based on: Industry Standards and Best Practices

Languages: English

Learning Objectives

  • Fuses
  • Grounding
  • Ground fault interrupter circuits
  • Working on electrical components
  • Electric cords
  • Reducing personal conductivity

Key Questions

The following key questions are answered in this module:

What is the most common form of electrical protection device?


The most common form of electrical protection device is the fuse or circuit breaker. These are devices that are designed to protect the electrical system from receiving too much current.

What is grounding and how does this safety feature work?
Grounding occurs when a ground wire is connected from ground potential to the frame of an electrical device. A ground wire is provided so that there can be an alternate path for the electricity to flow back to ground potential if an electrical short occurs.

What are the two levels of electrical safe practices that all workers should follow?
The first, qualified work practices are those performed by team members who have relevant electrical education or experience that has prepared them to work with electrical systems. The second, authorized work practices are those performed by team members formally identified to perform a lockout/tagout, as well as permitted to work on or near energized conductors when the appropriate permit is in place.

What are some safety procedures that should be implemented to ensure good housekeeping to prevent electrical fires?
You should keep your equipment and work area(s) clean and organized, dispose of trash properly, and follow the following practices: keep machines and tools properly lubricated, do not leave machinery or heating equipment running unattended after working hours, do not leave grease, dust, or dirt build up on machinery, and to not leave cords tangled or lying across an area where people walk.

What are some conductive materials that should be removed by workers before starting work on an electrical task?
The following should be considered dangerous conductive materials, and should be removed before starting electrical work: Conductive apparel-watch bands, bracelets, rings, key chains, necklaces, metalized aprons, cloth with conductive thread, and metal headgear. Not only conductive apparel, but conductive tools, which should be handled in ways that prevent them from contacting exposed, energized conductors or circuit parts. Lastly, portable ladders must not be used when working on or near exposed, energized parts.

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