Red Seal Industrial Mechanic (Millwright) Practice Exam

What kind of safety measures should be taken when working with electrical systems?

1. Ensure proper isolation and wear flip-flops

2. Use insulated tools and wear appropriate PPE

3. Ignore circuit diagrams and rely on intuition

4. Work during maintenance shutdowns only

The correct answer is: Use insulated tools and wear appropriate PPE

When working with electrical systems, it is essential to use insulated tools and wear appropriate personal protective equipment (PPE) to ensure safety from electrical hazards. Insulated tools are specifically designed to prevent electrical current from passing through to the user, reducing the risk of electric shock when working on live circuits or near energized components. Appropriate PPE, such as rubber gloves, safety glasses, and flame-resistant clothing, provides an additional layer of protection against electrical contact and potential arc flashes, which can occur in high-voltage environments. Employing these safety measures minimizes the risk of accidents and injuries in the workplace, particularly in environments where high voltage or hazardous conditions can exist. Taking proper precautions not only safeguards the individual working with the electrical systems but also contributes to a safer overall work environment.