Minnesota Class B Master Electrician
Exam Practice Questions And Correct
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1. Under Minnesota law, which description most accurately defines
the scope of a Class B master electrician license?
A. Any electrical work on three-phase systems up to 600 amperes
throughout Minnesota
B. Electrical work limited to single-phase systems not over 200 amperes
on farmsteads or qualifying single-family dwellings in municipalities with
fewer than 2,500 inhabitants
C. Electrical work on technology systems only, regardless of location
D. Electrical work on any commercial building up to 400 amperes
Answer: B
Rationale: A Minnesota Class B master electrician is limited to single-
phase systems of not more than 200 amperes and the qualifying
farmstead or single-family-dwelling locations specified by statute.
2. Which statement regarding issuance of new Minnesota Class B
master electrician licenses is correct?
,A. New Class B master licenses may be issued after five years of
journeyworker experience
B. New Class B master licenses may be issued only to applicants with an
electrical engineering degree
C. No new Class B master electrician licenses have been issued since
August 1, 1985
D. New Class B master licenses are issued automatically after passing the
Class A examination
Answer: C
Rationale: Minnesota law provides that no new Class B master
electrician licenses are issued after August 1, 1985, while individuals
who held the license before that date may retain and renew it.
3. A grandfathered Minnesota Class B master electrician is working on
a single-family dwelling in a municipality with a population of 2,700.
Which statement is correct?
A. The work is within the Class B master scope because the dwelling is
residential
B. The work is within scope if the service is 200 amperes or less
C. The work is outside the Class B master scope because the municipality
exceeds the population limit
D. The work is automatically within scope because Class B masters have
statewide authority
Answer: C
,Rationale: The Class B master license requires the qualifying single-
family dwelling to be located in a town or municipality with fewer than
2,500 inhabitants, in addition to the single-phase and 200-ampere
limitations.
4. A qualifying single-family dwelling is supplied by a 200-ampere
single-phase service. Which statement best describes the Class B
master electrician's scope?
A. The system is automatically outside the license scope because it is
exactly 200 amperes
B. The system may fall within the Class B master scope if the location and
other statutory conditions are satisfied
C. The Class B master scope ends at 150 amperes
D. The Class B master may work only on systems below 100 amperes
Answer: B
Rationale: Minnesota's Class B master limitation is stated as single-
phase systems not over 200 amperes, so a qualifying 200-ampere
system is not excluded solely because it reaches 200 amperes.
5. Which Minnesota license is classified as a master license for
purposes of the state's electrical licensing fee classifications?
A. Class B installer
B. Class B journeyworker electrician
C. Class B master electrician
D. Registered unlicensed electrician
, Answer: C
Rationale: Minnesota classifies both the Class A master electrician and
Class B master electrician as master licenses, while journeyworker and
installer licenses are classified separately.
6. Which responsibility is most closely associated with the responsible
master electrician designated by a Minnesota electrical contractor?
A. Only purchasing electrical materials
B. Responsibility for the performance of the contractor's electrical work in
compliance with applicable law, rules, and orders
C. Only collecting permit fees
D. Only supervising administrative employees
Answer: B
Rationale: Minnesota requires a contractor to designate a responsible
master electrician or other qualifying responsible licensee who is
responsible for the contractor's electrical work in accordance with
applicable statutes, rules, and orders.
7. A Class B electrical contractor is generally associated with which
responsible individual?
A. Class B master electrician
B. Registered unlicensed electrician
C. Class B installer
D. Class A journeyworker electrician only
Answer: A
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2027 Q&A| Instant
Download Pdf.
1. Under Minnesota law, which description most accurately defines
the scope of a Class B master electrician license?
A. Any electrical work on three-phase systems up to 600 amperes
throughout Minnesota
B. Electrical work limited to single-phase systems not over 200 amperes
on farmsteads or qualifying single-family dwellings in municipalities with
fewer than 2,500 inhabitants
C. Electrical work on technology systems only, regardless of location
D. Electrical work on any commercial building up to 400 amperes
Answer: B
Rationale: A Minnesota Class B master electrician is limited to single-
phase systems of not more than 200 amperes and the qualifying
farmstead or single-family-dwelling locations specified by statute.
2. Which statement regarding issuance of new Minnesota Class B
master electrician licenses is correct?
,A. New Class B master licenses may be issued after five years of
journeyworker experience
B. New Class B master licenses may be issued only to applicants with an
electrical engineering degree
C. No new Class B master electrician licenses have been issued since
August 1, 1985
D. New Class B master licenses are issued automatically after passing the
Class A examination
Answer: C
Rationale: Minnesota law provides that no new Class B master
electrician licenses are issued after August 1, 1985, while individuals
who held the license before that date may retain and renew it.
3. A grandfathered Minnesota Class B master electrician is working on
a single-family dwelling in a municipality with a population of 2,700.
Which statement is correct?
A. The work is within the Class B master scope because the dwelling is
residential
B. The work is within scope if the service is 200 amperes or less
C. The work is outside the Class B master scope because the municipality
exceeds the population limit
D. The work is automatically within scope because Class B masters have
statewide authority
Answer: C
,Rationale: The Class B master license requires the qualifying single-
family dwelling to be located in a town or municipality with fewer than
2,500 inhabitants, in addition to the single-phase and 200-ampere
limitations.
4. A qualifying single-family dwelling is supplied by a 200-ampere
single-phase service. Which statement best describes the Class B
master electrician's scope?
A. The system is automatically outside the license scope because it is
exactly 200 amperes
B. The system may fall within the Class B master scope if the location and
other statutory conditions are satisfied
C. The Class B master scope ends at 150 amperes
D. The Class B master may work only on systems below 100 amperes
Answer: B
Rationale: Minnesota's Class B master limitation is stated as single-
phase systems not over 200 amperes, so a qualifying 200-ampere
system is not excluded solely because it reaches 200 amperes.
5. Which Minnesota license is classified as a master license for
purposes of the state's electrical licensing fee classifications?
A. Class B installer
B. Class B journeyworker electrician
C. Class B master electrician
D. Registered unlicensed electrician
, Answer: C
Rationale: Minnesota classifies both the Class A master electrician and
Class B master electrician as master licenses, while journeyworker and
installer licenses are classified separately.
6. Which responsibility is most closely associated with the responsible
master electrician designated by a Minnesota electrical contractor?
A. Only purchasing electrical materials
B. Responsibility for the performance of the contractor's electrical work in
compliance with applicable law, rules, and orders
C. Only collecting permit fees
D. Only supervising administrative employees
Answer: B
Rationale: Minnesota requires a contractor to designate a responsible
master electrician or other qualifying responsible licensee who is
responsible for the contractor's electrical work in accordance with
applicable statutes, rules, and orders.
7. A Class B electrical contractor is generally associated with which
responsible individual?
A. Class B master electrician
B. Registered unlicensed electrician
C. Class B installer
D. Class A journeyworker electrician only
Answer: A
