Page 1 of 132
NOCTI Electrical Technology Exam COMPLETE
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR-JUST RELEASED
NOCTI Electrical Technology Exam. Each question includes the answer and a summarized
rationale based on National Electrical Code (NEC), OSHA standards, and electrical theory. The questions
cover topics such as safety, NEC requirements, tools, blueprint reading, AC/DC theory, motors, and
installation practices.
1. In general, a beginning tradesperson with little or no experience in the electrical field is known as
a/an:
A) Journeyman
B) Apprentice
C) Master Electrician
D) Technician
Answer: B
Rationale: An apprentice is an entry-level tradesperson who works under supervision to learn the
electrical trade .
, Page 2 of 132
2. What is the proper angle for setting up a ladder by placing its base from the wall?
A) One-half of the working length
B) One-third of the working length
C) One-quarter of the working length
D) One-fifth of the working length
Answer: C
Rationale: The base should be placed one-quarter of the working length from the wall for proper
stability and safety .
3. Which class of fire extinguisher should be used on an electrical fire?
A) Class A
B) Class B
C) Class C
D) Class D
Answer: C
Rationale: Class C extinguishers are specifically designed for energized electrical equipment fires .
, Page 3 of 132
4. A person with a serious electrical injury should be moved:
A) Immediately to fresh air
B) Only if they are in immediate danger
C) As quickly as possible to a hospital
D) Never under any circumstances
Answer: B
Rationale: Moving an injured person is only safe if they are in immediate danger; otherwise, wait for
medical professionals .
5. When measuring an electrical circuit, current is measured in:
A) Volts
B) Ohms
C) Amps
D) Watts
Answer: C
Rationale: Current flow is measured in amperes (amps) using an ammeter .
, Page 4 of 132
6. When referring to NM-B 12/3 wire, the number 12 refers to the:
A) Number of conductors
B) Wire gauge (size)
C) Voltage rating
D) Insulation type
Answer: B
Rationale: The first number in cable designation indicates the American Wire Gauge (AWG) size .
7. The National Electrical Code (NEC) is based on:
A) NFPA codes
B) ANSI standards
C) IEEE regulations
D) OSHA requirements
Answer: A
Rationale: The NEC is published by the National Fire Protection Association (NFPA) as NFPA 70 .
NOCTI Electrical Technology Exam COMPLETE
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR-JUST RELEASED
NOCTI Electrical Technology Exam. Each question includes the answer and a summarized
rationale based on National Electrical Code (NEC), OSHA standards, and electrical theory. The questions
cover topics such as safety, NEC requirements, tools, blueprint reading, AC/DC theory, motors, and
installation practices.
1. In general, a beginning tradesperson with little or no experience in the electrical field is known as
a/an:
A) Journeyman
B) Apprentice
C) Master Electrician
D) Technician
Answer: B
Rationale: An apprentice is an entry-level tradesperson who works under supervision to learn the
electrical trade .
, Page 2 of 132
2. What is the proper angle for setting up a ladder by placing its base from the wall?
A) One-half of the working length
B) One-third of the working length
C) One-quarter of the working length
D) One-fifth of the working length
Answer: C
Rationale: The base should be placed one-quarter of the working length from the wall for proper
stability and safety .
3. Which class of fire extinguisher should be used on an electrical fire?
A) Class A
B) Class B
C) Class C
D) Class D
Answer: C
Rationale: Class C extinguishers are specifically designed for energized electrical equipment fires .
, Page 3 of 132
4. A person with a serious electrical injury should be moved:
A) Immediately to fresh air
B) Only if they are in immediate danger
C) As quickly as possible to a hospital
D) Never under any circumstances
Answer: B
Rationale: Moving an injured person is only safe if they are in immediate danger; otherwise, wait for
medical professionals .
5. When measuring an electrical circuit, current is measured in:
A) Volts
B) Ohms
C) Amps
D) Watts
Answer: C
Rationale: Current flow is measured in amperes (amps) using an ammeter .
, Page 4 of 132
6. When referring to NM-B 12/3 wire, the number 12 refers to the:
A) Number of conductors
B) Wire gauge (size)
C) Voltage rating
D) Insulation type
Answer: B
Rationale: The first number in cable designation indicates the American Wire Gauge (AWG) size .
7. The National Electrical Code (NEC) is based on:
A) NFPA codes
B) ANSI standards
C) IEEE regulations
D) OSHA requirements
Answer: A
Rationale: The NEC is published by the National Fire Protection Association (NFPA) as NFPA 70 .
