Minnesota Class A Master Electrician
Examination Questions and Correct
Answers (Verified Answers) Plus Rationale
2027 Q&A| Instant Download Pdf
1. What is the primary scope of a Minnesota Class A master electrician
license?
A. Performing only residential electrical installations
B. Performing only low-voltage installations
C. Performing and supervising any electrical work within the scope of
the license
D. Performing electrical inspections for the state
Answer: C. Performing and supervising any electrical work within the
scope of the license
Rationale: Minnesota defines a Class A master electrician as an
individual with the qualifications, training, experience, and technical
,knowledge to perform and supervise any electrical work. The license is
broader than a residential-only or power-limited license and carries
substantial responsibility for electrical installations.
2. Which qualification can satisfy the Minnesota statutory
prerequisite for taking the Class A master electrician examination?
A. Six months as an apprentice
B. One year of experience as a licensed journeyworker electrician
C. One year as an unlicensed individual
D. Two years as a maintenance worker
Answer: B. One year of experience as a licensed journeyworker
electrician
Rationale: Minnesota law provides several pathways to qualify for the
Class A master examination. One is at least one year of acceptable
experience as a licensed journeyworker electrician. Other statutory
pathways include an appropriate four-year electrical degree or
qualifying experience in planning, laying out, supervising, and
installing electrical work.
3. Under Minnesota rules, what is the minimum total experience
normally specified for a Class A master electrician applicant when the
experience route applies?
,A. 24 months
B. 36 months
C. 48 months
D. 60 months
Answer: D. 60 months
Rationale: Minnesota Rule 3800.3520 establishes a 60-month
minimum total experience schedule for a Class A master electrician
when the experience requirements apply. The schedule includes
experience in planning, laying out, supervising, installing, and related
electrical activities.
4. Which organization publishes the National Electrical Code?
A. OSHA
B. NFPA
C. ICC
D. IEEE
Answer: B. NFPA
Rationale: The National Electrical Code, commonly called NFPA 70, is
published by the National Fire Protection Association. Minnesota
adopts the NEC through its electrical code rules, along with
Minnesota-specific amendments.
, 5. Which NEC article generally contains requirements for branch
circuits?
A. Article 210
B. Article 220
C. Article 230
D. Article 250
Answer: A. Article 210
Rationale: NEC Article 210 addresses branch circuits. It covers subjects
such as branch-circuit ratings, required outlets, receptacle
requirements, multiwire branch circuits, and various special branch-
circuit provisions.
6. What is the primary purpose of an overcurrent protective device?
A. Increase circuit voltage
B. Prevent excessive current from damaging conductors and equipment
C. Improve power factor
D. Increase conductor ampacity
Answer: B. Prevent excessive current from damaging conductors and
equipment
Rationale: Fuses and circuit breakers protect conductors and
equipment from excessive current. When current exceeds permitted
Examination Questions and Correct
Answers (Verified Answers) Plus Rationale
2027 Q&A| Instant Download Pdf
1. What is the primary scope of a Minnesota Class A master electrician
license?
A. Performing only residential electrical installations
B. Performing only low-voltage installations
C. Performing and supervising any electrical work within the scope of
the license
D. Performing electrical inspections for the state
Answer: C. Performing and supervising any electrical work within the
scope of the license
Rationale: Minnesota defines a Class A master electrician as an
individual with the qualifications, training, experience, and technical
,knowledge to perform and supervise any electrical work. The license is
broader than a residential-only or power-limited license and carries
substantial responsibility for electrical installations.
2. Which qualification can satisfy the Minnesota statutory
prerequisite for taking the Class A master electrician examination?
A. Six months as an apprentice
B. One year of experience as a licensed journeyworker electrician
C. One year as an unlicensed individual
D. Two years as a maintenance worker
Answer: B. One year of experience as a licensed journeyworker
electrician
Rationale: Minnesota law provides several pathways to qualify for the
Class A master examination. One is at least one year of acceptable
experience as a licensed journeyworker electrician. Other statutory
pathways include an appropriate four-year electrical degree or
qualifying experience in planning, laying out, supervising, and
installing electrical work.
3. Under Minnesota rules, what is the minimum total experience
normally specified for a Class A master electrician applicant when the
experience route applies?
,A. 24 months
B. 36 months
C. 48 months
D. 60 months
Answer: D. 60 months
Rationale: Minnesota Rule 3800.3520 establishes a 60-month
minimum total experience schedule for a Class A master electrician
when the experience requirements apply. The schedule includes
experience in planning, laying out, supervising, installing, and related
electrical activities.
4. Which organization publishes the National Electrical Code?
A. OSHA
B. NFPA
C. ICC
D. IEEE
Answer: B. NFPA
Rationale: The National Electrical Code, commonly called NFPA 70, is
published by the National Fire Protection Association. Minnesota
adopts the NEC through its electrical code rules, along with
Minnesota-specific amendments.
, 5. Which NEC article generally contains requirements for branch
circuits?
A. Article 210
B. Article 220
C. Article 230
D. Article 250
Answer: A. Article 210
Rationale: NEC Article 210 addresses branch circuits. It covers subjects
such as branch-circuit ratings, required outlets, receptacle
requirements, multiwire branch circuits, and various special branch-
circuit provisions.
6. What is the primary purpose of an overcurrent protective device?
A. Increase circuit voltage
B. Prevent excessive current from damaging conductors and equipment
C. Improve power factor
D. Increase conductor ampacity
Answer: B. Prevent excessive current from damaging conductors and
equipment
Rationale: Fuses and circuit breakers protect conductors and
equipment from excessive current. When current exceeds permitted
