NEIEP 100 ULTIMATE EXAM PREP - VERIFIED ANSWERS AND
QUESTIONS - MOST RECENT EDITION 2026
1. Q: What is the primary purpose of OSHA? ANSWER To ensure safe and
healthful working conditions by setting and enforcing standards.
2. Q: What does PPE stand for? ANSWER Personal Protective Equipment.
3. Q: What is the minimum voltage considered "high voltage"? ANSWER
Generally 600 volts or higher in most contexts.
4. Q: What class of hard hat protects against electrical shock? ANSWER
Class E (Electrical) hard hats.
5. Q: What does GFCI stand for? ANSWER Ground Fault Circuit
Interrupter.
6. Q: At what current level can a GFCI trip? ANSWER 4-6 milliamperes
(typically trips at 5mA).
7. Q: What is the purpose of lockout/tagout? ANSWER To prevent
accidental energization of equipment during maintenance or repair.
8. Q: What is the "danger zone" around power lines? ANSWER Minimum
10 feet for lines up to 50kV.
9. Q: What type of fire extinguisher is used for electrical fires? ANSWER
Class C fire extinguisher.
10. Q: What is arc flash? ANSWER A dangerous release of energy caused by
an electrical arc.
11. Q: What does NFPA 70E cover? ANSWER Electrical safety in the
workplace.
12. Q: What is the purpose of safety glasses on a job site? ANSWER To
protect eyes from flying debris, dust, and other hazards.
13. Q: When should you inspect your tools? ANSWER Before each use.
,14. Q: What is the OSHA standard for fall protection? ANSWER
Protection required at heights of 6 feet or more.
15. Q: What should you do before working on electrical equipment?
ANSWER Verify that it is de-energized using proper testing procedures.
16. Q: What does a red tag indicate in lockout/tagout? ANSWER Danger -
Do Not Operate.
17. Q: What is the purpose of double insulation on tools? ANSWER
Provides additional protection against electrical shock.
18. Q: What is the acceptable range for a visual inspection of a ladder?
ANSWER Check for cracks, splits, loose rungs, and structural integrity.
19. Q: How many points of contact should you maintain on a ladder?
ANSWER Three points of contact at all times.
20. Q: What does SDS stand for? ANSWER Safety Data Sheet.
21. Q: What information is found on an SDS? ANSWER Hazard
information, handling procedures, first aid, and emergency procedures for
chemicals.
22. Q: What is the minimum approach distance for unqualified workers
near energized parts? ANSWER At least 10 feet for most applications.
23. Q: What should you do if you witness an electrical accident? ANSWER
Do not touch the victim if still in contact with electricity; disconnect power first
or call for help.
24. Q: What is the purpose of a safety harness? ANSWER To prevent falls
and arrest falls if they occur.
25. Q: What type of gloves protect against electrical shock? ANSWER
Rubber insulating gloves rated for the appropriate voltage.
26. Q: What does the term "qualified person" mean? ANSWER Someone
trained and knowledgeable to work safely on energized equipment.
27. Q: What is the purpose of barricades and barriers? ANSWER To
prevent unauthorized access to hazardous areas.
28. Q: When should safety meetings be held? ANSWER Regularly, and
before starting new or hazardous tasks.
, 29. Q: What is the buddy system? ANSWER Working in pairs for safety,
especially in hazardous situations.
30. Q: What should you do if your tools are damaged? ANSWER Remove
them from service and tag them as defective.
31. Q: What is the purpose of proper housekeeping on a job site?
ANSWER To prevent trips, falls, and other accidents.
32. Q: What is the recommended color for grounding wires? ANSWER
Green or bare copper.
33. Q: What should you never do with a two-prong adapter? ANSWER
Use it to bypass a grounding system.
34. Q: What is confined space entry? ANSWER Entering spaces with
limited access and potential hazards requiring special procedures.
35. Q: What are the hazards of working in trenches? ANSWER Cave-ins,
hazardous atmospheres, and water accumulation.
36. Q: What depth of trench requires protective systems? ANSWER 5 feet
or deeper.
37. Q: What should you do with frayed electrical cords? ANSWER
Remove them from service immediately.
38. Q: What is the proper way to carry tools on a ladder? ANSWER Use a
tool belt or hoist them up after securing yourself.
39. Q: What is the purpose of proper ventilation when soldering?
ANSWER To prevent inhalation of toxic fumes.
40. Q: What does the term "permit required confined space" mean?
ANSWER A confined space with known or potential hazards requiring a
permit to enter.
SECTION 2: BASIC ELECTRICAL THEORY (Questions 41-80)
41. Q: What is voltage? ANSWER Electrical pressure or potential difference
measured in volts.
QUESTIONS - MOST RECENT EDITION 2026
1. Q: What is the primary purpose of OSHA? ANSWER To ensure safe and
healthful working conditions by setting and enforcing standards.
2. Q: What does PPE stand for? ANSWER Personal Protective Equipment.
3. Q: What is the minimum voltage considered "high voltage"? ANSWER
Generally 600 volts or higher in most contexts.
4. Q: What class of hard hat protects against electrical shock? ANSWER
Class E (Electrical) hard hats.
5. Q: What does GFCI stand for? ANSWER Ground Fault Circuit
Interrupter.
6. Q: At what current level can a GFCI trip? ANSWER 4-6 milliamperes
(typically trips at 5mA).
7. Q: What is the purpose of lockout/tagout? ANSWER To prevent
accidental energization of equipment during maintenance or repair.
8. Q: What is the "danger zone" around power lines? ANSWER Minimum
10 feet for lines up to 50kV.
9. Q: What type of fire extinguisher is used for electrical fires? ANSWER
Class C fire extinguisher.
10. Q: What is arc flash? ANSWER A dangerous release of energy caused by
an electrical arc.
11. Q: What does NFPA 70E cover? ANSWER Electrical safety in the
workplace.
12. Q: What is the purpose of safety glasses on a job site? ANSWER To
protect eyes from flying debris, dust, and other hazards.
13. Q: When should you inspect your tools? ANSWER Before each use.
,14. Q: What is the OSHA standard for fall protection? ANSWER
Protection required at heights of 6 feet or more.
15. Q: What should you do before working on electrical equipment?
ANSWER Verify that it is de-energized using proper testing procedures.
16. Q: What does a red tag indicate in lockout/tagout? ANSWER Danger -
Do Not Operate.
17. Q: What is the purpose of double insulation on tools? ANSWER
Provides additional protection against electrical shock.
18. Q: What is the acceptable range for a visual inspection of a ladder?
ANSWER Check for cracks, splits, loose rungs, and structural integrity.
19. Q: How many points of contact should you maintain on a ladder?
ANSWER Three points of contact at all times.
20. Q: What does SDS stand for? ANSWER Safety Data Sheet.
21. Q: What information is found on an SDS? ANSWER Hazard
information, handling procedures, first aid, and emergency procedures for
chemicals.
22. Q: What is the minimum approach distance for unqualified workers
near energized parts? ANSWER At least 10 feet for most applications.
23. Q: What should you do if you witness an electrical accident? ANSWER
Do not touch the victim if still in contact with electricity; disconnect power first
or call for help.
24. Q: What is the purpose of a safety harness? ANSWER To prevent falls
and arrest falls if they occur.
25. Q: What type of gloves protect against electrical shock? ANSWER
Rubber insulating gloves rated for the appropriate voltage.
26. Q: What does the term "qualified person" mean? ANSWER Someone
trained and knowledgeable to work safely on energized equipment.
27. Q: What is the purpose of barricades and barriers? ANSWER To
prevent unauthorized access to hazardous areas.
28. Q: When should safety meetings be held? ANSWER Regularly, and
before starting new or hazardous tasks.
, 29. Q: What is the buddy system? ANSWER Working in pairs for safety,
especially in hazardous situations.
30. Q: What should you do if your tools are damaged? ANSWER Remove
them from service and tag them as defective.
31. Q: What is the purpose of proper housekeeping on a job site?
ANSWER To prevent trips, falls, and other accidents.
32. Q: What is the recommended color for grounding wires? ANSWER
Green or bare copper.
33. Q: What should you never do with a two-prong adapter? ANSWER
Use it to bypass a grounding system.
34. Q: What is confined space entry? ANSWER Entering spaces with
limited access and potential hazards requiring special procedures.
35. Q: What are the hazards of working in trenches? ANSWER Cave-ins,
hazardous atmospheres, and water accumulation.
36. Q: What depth of trench requires protective systems? ANSWER 5 feet
or deeper.
37. Q: What should you do with frayed electrical cords? ANSWER
Remove them from service immediately.
38. Q: What is the proper way to carry tools on a ladder? ANSWER Use a
tool belt or hoist them up after securing yourself.
39. Q: What is the purpose of proper ventilation when soldering?
ANSWER To prevent inhalation of toxic fumes.
40. Q: What does the term "permit required confined space" mean?
ANSWER A confined space with known or potential hazards requiring a
permit to enter.
SECTION 2: BASIC ELECTRICAL THEORY (Questions 41-80)
41. Q: What is voltage? ANSWER Electrical pressure or potential difference
measured in volts.
