Electrical Safety Quiz: Risks And Hazards!

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  • 1/10 Questions

    The severity of a shock depends on what?

    • The path of the current through your body
    • The amount of current (amps)
    • The duration of the shock
    • All of the above
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About This Quiz

A construction site is full of many accidents waiting to happen, but there are different things that people can do to ensure that they do not harm themselves or others while working. Below is a quiz on Electrical safety quiz covering common hazards associated with electricity on construction objects. Take it up and see how equipped you are to be a construction worker.

Electrical Safety Quiz: Risks And Hazards! - Quiz

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  • 2. 

    An extension cord with a small cut in the outer insulation is okay to use because the internal insulation is not damaged.

    • TRUE

    • FALSE

    Correct Answer
    A. FALSE
    Explanation
    An extension cord with a small cut in the outer insulation is not okay to use, even if the internal insulation is not damaged. The outer insulation is responsible for protecting the internal wires from physical damage and exposure to moisture. A cut in the outer insulation can increase the risk of electrical shock or fire hazards. It is important to replace or repair any damaged extension cords to ensure safety.

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  • 3. 

    Twist lock style cord heads should be used on our projects.

    • TRUE

    • FALSE

    Correct Answer
    A. TRUE
    Explanation
    Twist lock style cord heads should be used on the projects. This implies that using any other type of cord heads may not be suitable or safe for the projects. Therefore, the correct answer is TRUE, indicating that twist lock style cord heads should be used.

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  • 4. 

    What is the only type of cord we can use that is not 3 wire?

    • The one that is made out of bailing wire and duct tape.

    • Double insulated

    • The one that we made from Christmas lights

    • S type 18 gauge

    Correct Answer
    A. Double insulated
    Explanation
    Double insulated cords are the only type of cords that can be used that are not 3 wire. Double insulation refers to a safety feature in electrical cords where an extra layer of insulation is added to provide an additional barrier of protection. This type of cord is commonly used in appliances and power tools to prevent electric shocks and reduce the risk of electrical fires.

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  • 5. 

    18 gauge wire is larger than 12 gauge wire?

    • TRUE

    • FALSE

    Correct Answer
    A. FALSE
    Explanation
    The statement is false because wire gauge is inversely proportional to the size of the wire. The smaller the gauge number, the larger the wire size. So, 12 gauge wire is actually larger than 18 gauge wire.

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  • 6. 

    What must be covered in an assured grounding program?

    • All cords not protected by a GFCI

    • Only equipment that could shock you

    • Underground cords and wires

    • Cords that run through high traffic areas

    Correct Answer
    A. All cords not protected by a GFCI
    Explanation
    An assured grounding program should cover all cords that are not protected by a Ground Fault Circuit Interrupter (GFCI). This means that any cords that do not have the necessary protection against electrical shocks should be included in the program. This ensures that all potential hazards are identified and addressed, reducing the risk of electrical accidents or injuries.

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  • 7. 

    Most of our heavy equipment is not insulated which means what?

    • Damage to the equipment could be catastrophic

    • The ground beneath the equipment may be energized

    • You should stay in the equipment if you contact overhead power lines

    • The only time you should exit the equipment before the line is de-energized is if the equipment catches fire

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "All of the above". This means that all of the statements mentioned in the options are true. If heavy equipment is not insulated, it can lead to damage that could be catastrophic. Additionally, the ground beneath the equipment may be energized, posing a risk of electric shock. It is generally safer to stay inside the equipment if you come into contact with overhead power lines. However, if the equipment catches fire, it is advisable to exit the equipment before the power line is de-energized.

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  • 8. 

    When should documented testing take place for a GFCI?

    • Daily

    • Monthly

    • Quarterly

    • When something breaks

    Correct Answer
    A. Monthly
    Explanation
    Documented testing for a GFCI should take place monthly. This is important to ensure that the GFCI is functioning properly and providing the necessary protection against electrical shocks. Regular testing helps to identify any faults or malfunctions in the GFCI, allowing for timely repairs or replacements. Monthly testing also helps to maintain compliance with safety regulations and standards.

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  • 9. 

    GFCI's measure a difference or leakage in current.  The GFCI will open the circuit thus stopping the current flow when it detects a leakage of more than ___ mA?

    Correct Answer
    5
    Explanation
    GFCI's, or Ground Fault Circuit Interrupters, are electrical safety devices that are designed to protect against electrical shock. They work by constantly monitoring the flow of current in a circuit. If the GFCI detects a difference or leakage in current, it opens the circuit and stops the current flow. In this case, the correct answer is 5 mA, meaning that the GFCI will open the circuit when it detects a leakage of more than 5 milliamperes.

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  • 10. 

    Why is it important to have a grounding conductor on all electrical cords?

    • Helps protect the person using the cord from electrical shock

    • Helps route current through the supplied ground instead of the person

    • It looks way cooler than the two wire type

    • Current will always take the path to ground with the least resistance

    • It is a good way to protect our employees

    Correct Answer(s)
    A. Helps protect the person using the cord from electrical shock
    A. Helps route current through the supplied ground instead of the person
    A. Current will always take the path to ground with the least resistance
    A. It is a good way to protect our employees
    Explanation
    A grounding conductor is important on all electrical cords because it helps protect the person using the cord from electrical shock. It helps route current through the supplied ground instead of the person, ensuring their safety. Additionally, current will always take the path to ground with the least resistance, so having a grounding conductor ensures that the path of least resistance is through the ground rather than through the person. Having a grounding conductor is also a good way to protect employees who may be using the cord, further emphasizing its importance.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 22, 2008
    Quiz Created by
    Kiewit
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