Electrical Safety Quiz (Test Your Knowledge For Industrial Electrical Safety)

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Check your employee’s electrical safety knowledge through an electrical safety quiz. Electrical safety quiz answers are given below.

1.Which of these can be used as insulating live-line tools for electrical protection.

  • (A) Shotgun sticks
  • (B) Switch sticks
  • (C) Hot sticks
  • (D) None of the above
  • (E) a, b, and c

2. A Safety Electrical One Line Diagram should be used to ______________ all sources of electrical energy.

  • (A) Identify
  • (B)Castigate
  • (C) Evaluate
  • (D) Modify

3. The minimum allowable workspace around electrical equipment is ________ inches deep.

  • A) 36
  • B) 48
  • C) 24
  • D) 30

4.OSHA requires the testing of a voltmeter after a voltage test on voltage above______.

  • A) 120v
  • B) 208v
  • C) 277v
  • D) 600v

5. One of the three generally recognized hazards of electrical work is____.

  • A) Arc Flash
  • B) Cuts
  • C) Falls
  • D) Concussion

6. Gloves used for electrical protection must be electrically tested every____ month.

  • A) 3 months
  • B) 6 months
  • C) 12 months
  • D) Never

7. Which of these risks is associated with electricity?

  • A) Shock
  • B) Fire
  • C) Explosion
  • D) All of the above

8. What’s the first thing you should do if a co-worker is being electrocuted?

  • A) Pull them free of the power source.
  • B) Turn off the power source.
  • C) Call 911
  • D) Alert a foreman

9.GFCI stands for ground fault circuit interrupter.

  • A) True.
  • B) False.

10. If you’re working in a damp space, what do you need to do?

  • A) Mop First.
  • B) Elevate the electrical outlets and wiring.
  • C) Install and use ground fault circuit interrupter.
  • D) Use heaters to dry areas.

11. If you’re servicing an appliance, what’s the first thing you need to do?

  • A) Expose the battery or motor.
  • B) Test to ensure its de-powered.
  • C) Inspect the power lines leading into it.
  • D) Remove any batteries

12. What is the name of the practice that involves locking down an electrical device and labeling it so others know who locked it and why?

  • A) Lockout/Tagout
  • B) Lock and Label
  • C) Go and Show
  • D)Stop/Gap

13. Ladders can be made from a variety of materials, but what material is best for an electrician’s ladder?

  • A) Fiberglass
  • B) Wood
  • C) Aluminium
  • D) All of the above

14. Which one of these would require that a device is replaced or repaired?

  • A) Frayed wire
  • B) Cracked insulation
  • C) Broken plug
  • D) All of the above

15.Gloves should be made of what two materials when dealing with electricity?

  • A) Cotton and polymers
  • B) Leather and rubber
  • C) Cotton and rubber
  • D) Leather and cotton

16.How is IPE different from PPE?

  • A) It’s for higher voltage equipment.
  • B) It covers exposed live parts, not workers.
  • C) It’s for wet weather work only.
  • D) it’s for industrial electrical work.

17.What should you assume about every electrical device when you first start work?

  • A) It’s live.
  • B) It’s malfunctioning.
  • C) It has a short.
  • D) It’s wired incorrectly.

18. Why is it a good idea to only work with one hand whenever possible?

  • A) Allows for greater accuracy
  • B) Easier to work in confined spaces
  • C) Reduces shock risk
  • D) It’s not a good idea.

19. What do you need to do with a capacitor before working near one?

  • A) Remove it.
  • B) Ground it.
  • C) Inspect it.
  • D) Drain it.

20. Do you know the minimum amount of clear working space needed in front of an electrical panel?

  • A) 30 inches
  • B) 36 inches
  • C) 40 inches
  • D) 48 inches

21.There are three shock approach boundaries, do you know what they are?

  1. A) 1st, 2nd, and 3rd
  2. B) Main, Secondary, Tertiary.
  3. C) Green, Yellow and Red.
  4. D) Limited, Restricted and Prohibited

22. What’s the point of grounding?

  • A) To provide an alternate path for electricity to get to the ground.
  • B) To close a circuit
  • C) To break a circuit
  • D) To lower the voltage

23.Can you name the correct classification of an electrical fire?

  • A) Class E
  • B) Class C
  • C) Class K
  • D) Class A

24.What shouldn’t be stored near electrical panels?

  • A) Wood
  • B) Combustible liquids
  • C) PVC pipe
  • D) Magnets

25. Which of these would likely be a lethal current?

  • A) 40 milliamperes
  • B) 175 milliamperes
  • C) 600 milliamperes
  • D) 10,000 milliamperes

26. What danger is associated with an arc flash?

  • A) Hearing loss
  • B) Eye damage
  • C) Burns
  • D) All of the above

27. How many arc flash PPE categories are there?

  • A) 4
  • B) 3
  • C) 2
  • D) 7

28. How many volts must a portable light used in a wet environment operate at?

  • A) 25
  • B) 15 or more
  • C) 12 or less
  • D) 5-10

29. How often should you inspect an extension cord?

  • A) Monthly
  • B) At the end of any job
  • C)Every 6 months
  • D)Daily before use

30. What kind of tape can be used to repair an extension cord with split insulation?

  • A) UL Tape
  • B) Electrical Tape
  • C) Fibber Tape
  • D) None of the above

31. What material do you want to have on your feet when dealing with electricity?

  1. A) Rubber
  2. B) Leather
  3. C) Canvas
  4. D) Plastic.

32. Which of the following are classified as unsafe acts?

  • A) Altering a 3-prong plug to fit a 2-prong outlet 
  • B) Using a GFCI
  • C) Working too close to overhead power lines
  • D) A and C
  • E) All of the above

33. Like PPE (Personal Protective Equipment), IPE (Insulating Protective Equipment) is also worn on the body.

  • A) True
  • B) False

34. Which type of electrical-insulating gloves is ozone-resistant?

  • A) Type 1
  • B) Type 2

35. What is the minimum distance workers must maintain between conductive materials and overhead power lines up to 50 kV.

  • A) 10 feet
  • B) 20 feet
  • C) 30 feet
  • D) As far as possible

36.Barriers and insulating covers can protect against_______?

  • A) Electrocution hazard
  • B) Effects of arc flash or arc blast
  • C) Both a and b.

37.The most dangerous place to use electrical equipment is?

  • A. indoors.
  • B. outdoors.
  • C. near water.
  • D. near other electrical equipment.

38. You discover the electrical cord on a drill has been damaged and some of the cord’s insulation is missing. You should?

  • A. wrap tape around the damaged spot to prevent electrical shocks.
  • B. check to see if the drill still works.
  • C. tag the drill out of service and notify the department responsible for equipment maintenance.
  • D. make sure that the cord does not come in contact with the floor.

39. The earth, water, concrete, and the human body are all conductors of electricity

  • A. True
  • B. False

40. The effects of an electrical shock on the body depend upon all of the following except:

  • A. current.
  • B. path.
  • C. duration.
  • D. body weight.

41. Injuries from electricity can include which of the following?

  • A. Electric shock that may or may not result in electrocution.
  • B. falls.
  • C. burns.
  • D. all of the above.

42. Open knockouts on outlet boxes:

  • A. must be reported and repaired as soon as possible.
  • B. are permitted by OSHA.
  • C. are common because replacing knockouts is expensive.
  • D. pose no hazard as the electrical wiring has been rerouted.

43. Flexible cords can be used in the workplace:

  • A. as a substitute for permanent wiring.
  • B. if they are run behind walls to reduce the chance of abrasion and damage.
  • C. if heavy or extra heavy-duty cords are needed for temporary purposes.
  • D. if any obvious splices are repaired with electrical tape.

44. It is the responsibility of all employees to understand and use electrical safety every day.

  • A. True
  • B. False

45. Electrical injuries are commonly caused by:

  • A.Unsafe equipment or installations
  • B.An unsafe environment
  • C.Unsafe work practices.
  • D.All of the above

46. __________ Cord and plug equipment should have a three-prong plug or be double insulated.

  • A) True
  • B) False

47. __________ Only authorized employees are permitted to work on electrical systems and equipment.

  • A) True
  • B) False

48. __________ Electrical shock can cause damage to tissue, muscle, and internal organs.

  • A) True
  • B) False

49. If the earth wire is damaged what happened.

  • A)  The user could get electrocuted if the live wire is also damaged
  • B) The appliance won’t work
  • C) The appliance will overheat
  • D) The appliance will be less environmentally friendly.

50. __________   all electrical equipment before use.

  • A. Clean
  • B. Inspect
  • C. Label
  • D. Organize.

Electrical safety quiz answers:

  • 1. (E) a, b, and c
  • 2. (A) Identify
  • 3. D) 30
  • 4. D) 600v
  • 5. A) Arc Flash
  • 6. B) 6 months
  • 7. D) All of the above
  • 8. B) Turn off the power source.
  • 9. A) True.
  • 10. C) Install and use ground fault circuit interrupter.
  • 11. B) Test to ensure its de-powered.
  • 12. A) Lockout/Tagout
  • 13. A) Fiberglass
  • 14. D) All of the above
  • 15. B) Leather and rubber
  • 16. B) It covers exposed live parts, not workers.
  • 17. A) It’s live.
  • 18. C) Reduces shock risk
  • 19. D) Drain it.
  • 20. A) 30 inches
  • 21. D) Limited, Restricted and Prohibited
  • 22. A) To provide an alternate path for electricity to get to the ground.
  • 23. A) Class E
  • 24. B) Combustible liquids
  • 25. D) 10,000 milliamperes
  • 26. D) All of the above
  • 27. A) 4
  • 28. C) 12 or less
  • 29. D)Daily before use
  • 30. D) None of the above
  • 31. B) Leather
  • 32. A) Altering a 3-prong plug to fit a 2-prong outlet 
  • 33. B) False
  • 34. B) Type 2
  • 35. A) 10 feet
  • 36. C) Both a and b.
  • 37. C. near water.
  • 38. C. tag the drill out of service and notify the department responsible for equipment maintenance.
  • 39. A. True
  • 40. D. body weight.
  • 41. D. all of the above.
  • 42. A. must be reported and repaired as soon as possible.
  • 43. C. if heavy or extra heavy-duty cords are needed for temporary purposes.
  • 44. A. True
  • 45. D.All of the above
  • 46. A) True
  • 47. A) True
  • 48. A) True
  • 49. A)  The user could get electrocuted if the live wire is also damaged
  • 50. B. Inspect

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