Nevada C-2 Electrical Contractor Exam And Practice Exam Newest 2026/2027 Test Bank| Electrical
Contractor Licence Exam Prep With Complete 300 Real Exam Questions And Correct Verified Answers/
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300 QUESTIONS - NV C-2 ELECTRICAL - UNIQUE - ZERO REPEATS - REAL EXAM FORMAT -
LARGE FONT - VERIFIED ANSWERS + RATIONALES
DOMAIN 1: NEVADA CONTRACTOR LAW
Question 1
Nevada C-2 Electrical classification scope?
A. Installation, alteration, repair of electrical systems 90V+, including wiring, fixtures, equipment, low
voltage
B. Wrong: not per NEC Table or Article
C. Contraindicated: unsafe or not to code
D. Incorrect: violates NEC or Nevada NSCB law
Answer: A
Rationale: C-2 allows electrical work unlimited voltage, includes residential commercial industrial. Does not
include alarm C-2a or low voltage C-2b limited. Requires Nevada State Contractors Board NSCB license.
DOMAIN 1: NEVADA CONTRACTOR LAW
Question 2
Nevada contractor license bid limit is determined by?
A. Financial statement and monetary limit set by Board based on net worth and experience
B. Contraindicated: unsafe or not to code
C. Incorrect: violates NEC or Nevada NSCB law
D. Wrong: not per NEC Table or Article
Answer: A
Rationale: NSCB sets bid limit per contractor based on financial statement. Must stay within limit per project.
Increasing limit requires new financial statement. Minimum $1000 work requires license.
DOMAIN 1: NEVADA CONTRACTOR LAW
Question 3
Nevada contractor license renewal?
A. Incorrect: violates NEC or Nevada NSCB law
B. Every 2 years with 8 hours continuing education including 1 hour law
C. Wrong: not per NEC Table or Article
D. Contraindicated: unsafe or not to code
,Answer: B
Rationale: NSCB renewal biennial. Requires 8 hrs CE including code and law. Must maintain bond and
insurance. License expires on anniversary.
DOMAIN 2: NEC GENERAL REQUIREMENTS
Question 4
NEC Article 110.26 working space for 0-150V to ground?
A. Incorrect: violates NEC or Nevada NSCB law
B. Contraindicated: unsafe or not to code
C. Wrong: not per NEC Table or Article
D. Minimum 3 ft deep, 30 inches wide, 6.5 ft high clear working space
Answer: D
Rationale: NEC 110.26 requires clear working space about electrical equipment likely to require examination,
adjustment, servicing. Depth 3 ft for 0-150V, 3.5 ft 151-600V, 4 ft 601-2500V. Width 30 in or width of equipment
whichever greater.
DOMAIN 2: NEC GENERAL REQUIREMENTS
Question 5
NEC defines qualified person as?
A. One who has skills and knowledge related to construction and operation of electrical equipment and
has received safety training
B. Wrong: not per NEC Table or Article
C. Incorrect: violates NEC or Nevada NSCB law
D. Contraindicated: unsafe or not to code
Answer: A
Rationale: Qualified person per NEC 100 definition. Unqualified persons must be protected from electrical
hazards. Determines access to working space and equipment.
DOMAIN 3: WIRING METHODS AND BRANCH CIRCUITS
Question 6
Minimum branch circuit for bathroom receptacle?
A. Contraindicated: unsafe or not to code
B. 20A circuit, no other outlets except bathroom receptacles per 210.11(C)(3), GFCI protected
C. Incorrect: violates NEC or Nevada NSCB law
D. Wrong: not per NEC Table or Article
,Answer: B
Rationale: Bathroom receptacles require 20A circuit. Can serve multiple bathrooms if only receptacles, or single
bathroom can include other loads in same bathroom. GFCI protection required 210.8.
DOMAIN 3: WIRING METHODS AND BRANCH CIRCUITS
Question 7
Kitchen small appliance branch circuits minimum?
A. Incorrect: violates NEC or Nevada NSCB law
B. Contraindicated: unsafe or not to code
C. Two 20A circuits 210.52(B)(1), serve countertop receptacles, GFCI and now per 2023 AFCI/GFCI
dual
D. Wrong: not per NEC Table or Article
Answer: C
Rationale: Kitchen requires minimum two 20A small appliance circuits for countertop. No other outlets except
clock and gas range. Spacing 48 inches max, 24 inches from edge. Island and peninsula requirements.
DOMAIN 4: GROUNDING AND BONDING
Question 8
Grounding electrode required for service?
A. Wrong: not per NEC Table or Article
B. Contraindicated: unsafe or not to code
C. Ground rod, concrete encased electrode Ufer, ground ring, plate, metal underground water pipe 10
ft in contact with earth
D. Incorrect: violates NEC or Nevada NSCB law
Answer: C
Rationale: NEC 250.52 electrodes. Must have at least one. If single rod >25 ohms need second rod. Ufer 20 ft
of #4 copper in concrete footing in direct contact with earth. Bond all electrodes together.
DOMAIN 4: GROUNDING AND BONDING
Question 9
Equipment grounding conductor sizing based on?
A. Overcurrent device rating per Table 250.122
B. Contraindicated: unsafe or not to code
C. Wrong: not per NEC Table or Article
D. Incorrect: violates NEC or Nevada NSCB law
, Answer: A
Rationale: EGC sized per OCPD rating. Example 20A circuit #12 EGC, 60A #10, 100A #8. Grounded conductor
sized per load. Grounding electrode conductor sized per Table 250.66 based on service conductor size.
DOMAIN 5: SERVICES AND FEEDERS
Question 10
Service disconnect maximum number?
A. Wrong: not per NEC Table or Article
B. Maximum 6 disconnects per service 230.71, grouped in one location
C. Incorrect: violates NEC or Nevada NSCB law
D. Contraindicated: unsafe or not to code
Answer: B
Rationale: Service can have up to 6 disconnects grouped. Must be readily accessible. Each disconnect must be
marked. 2020 NEC requires outdoor emergency disconnect for dwelling.
DOMAIN 5: SERVICES AND FEEDERS
Question 11
Service conductor clearance above roof?
A. Contraindicated: unsafe or not to code
B. Incorrect: violates NEC or Nevada NSCB law
C. Wrong: not per NEC Table or Article
D. Minimum 8 ft above roof maintained for 3 ft in all directions, 18 inches if slope 4:12 or greater for
limited area
Answer: D
Rationale: NEC 230.24 clearance above roof. 8 ft general, 18 inches if 4:12 slope and overhang portion. 10 ft
above finished grade at service drop, 12 ft driveway, 18 ft road.
DOMAIN 6: MOTORS AND TRANSFORMERS
Question 12
Motor FLA vs MCA vs MOCP?
A. Incorrect: violates NEC or Nevada NSCB law
B. Contraindicated: unsafe or not to code
C. Wrong: not per NEC Table or Article
D. FLA Full Load Amps from tables, MCA Minimum Circuit Ampacity 125% FLA, MOCP Maximum
Overcurrent Protection
Contractor Licence Exam Prep With Complete 300 Real Exam Questions And Correct Verified Answers/
Already Graded A+ (Most Recent!!)
300 QUESTIONS - NV C-2 ELECTRICAL - UNIQUE - ZERO REPEATS - REAL EXAM FORMAT -
LARGE FONT - VERIFIED ANSWERS + RATIONALES
DOMAIN 1: NEVADA CONTRACTOR LAW
Question 1
Nevada C-2 Electrical classification scope?
A. Installation, alteration, repair of electrical systems 90V+, including wiring, fixtures, equipment, low
voltage
B. Wrong: not per NEC Table or Article
C. Contraindicated: unsafe or not to code
D. Incorrect: violates NEC or Nevada NSCB law
Answer: A
Rationale: C-2 allows electrical work unlimited voltage, includes residential commercial industrial. Does not
include alarm C-2a or low voltage C-2b limited. Requires Nevada State Contractors Board NSCB license.
DOMAIN 1: NEVADA CONTRACTOR LAW
Question 2
Nevada contractor license bid limit is determined by?
A. Financial statement and monetary limit set by Board based on net worth and experience
B. Contraindicated: unsafe or not to code
C. Incorrect: violates NEC or Nevada NSCB law
D. Wrong: not per NEC Table or Article
Answer: A
Rationale: NSCB sets bid limit per contractor based on financial statement. Must stay within limit per project.
Increasing limit requires new financial statement. Minimum $1000 work requires license.
DOMAIN 1: NEVADA CONTRACTOR LAW
Question 3
Nevada contractor license renewal?
A. Incorrect: violates NEC or Nevada NSCB law
B. Every 2 years with 8 hours continuing education including 1 hour law
C. Wrong: not per NEC Table or Article
D. Contraindicated: unsafe or not to code
,Answer: B
Rationale: NSCB renewal biennial. Requires 8 hrs CE including code and law. Must maintain bond and
insurance. License expires on anniversary.
DOMAIN 2: NEC GENERAL REQUIREMENTS
Question 4
NEC Article 110.26 working space for 0-150V to ground?
A. Incorrect: violates NEC or Nevada NSCB law
B. Contraindicated: unsafe or not to code
C. Wrong: not per NEC Table or Article
D. Minimum 3 ft deep, 30 inches wide, 6.5 ft high clear working space
Answer: D
Rationale: NEC 110.26 requires clear working space about electrical equipment likely to require examination,
adjustment, servicing. Depth 3 ft for 0-150V, 3.5 ft 151-600V, 4 ft 601-2500V. Width 30 in or width of equipment
whichever greater.
DOMAIN 2: NEC GENERAL REQUIREMENTS
Question 5
NEC defines qualified person as?
A. One who has skills and knowledge related to construction and operation of electrical equipment and
has received safety training
B. Wrong: not per NEC Table or Article
C. Incorrect: violates NEC or Nevada NSCB law
D. Contraindicated: unsafe or not to code
Answer: A
Rationale: Qualified person per NEC 100 definition. Unqualified persons must be protected from electrical
hazards. Determines access to working space and equipment.
DOMAIN 3: WIRING METHODS AND BRANCH CIRCUITS
Question 6
Minimum branch circuit for bathroom receptacle?
A. Contraindicated: unsafe or not to code
B. 20A circuit, no other outlets except bathroom receptacles per 210.11(C)(3), GFCI protected
C. Incorrect: violates NEC or Nevada NSCB law
D. Wrong: not per NEC Table or Article
,Answer: B
Rationale: Bathroom receptacles require 20A circuit. Can serve multiple bathrooms if only receptacles, or single
bathroom can include other loads in same bathroom. GFCI protection required 210.8.
DOMAIN 3: WIRING METHODS AND BRANCH CIRCUITS
Question 7
Kitchen small appliance branch circuits minimum?
A. Incorrect: violates NEC or Nevada NSCB law
B. Contraindicated: unsafe or not to code
C. Two 20A circuits 210.52(B)(1), serve countertop receptacles, GFCI and now per 2023 AFCI/GFCI
dual
D. Wrong: not per NEC Table or Article
Answer: C
Rationale: Kitchen requires minimum two 20A small appliance circuits for countertop. No other outlets except
clock and gas range. Spacing 48 inches max, 24 inches from edge. Island and peninsula requirements.
DOMAIN 4: GROUNDING AND BONDING
Question 8
Grounding electrode required for service?
A. Wrong: not per NEC Table or Article
B. Contraindicated: unsafe or not to code
C. Ground rod, concrete encased electrode Ufer, ground ring, plate, metal underground water pipe 10
ft in contact with earth
D. Incorrect: violates NEC or Nevada NSCB law
Answer: C
Rationale: NEC 250.52 electrodes. Must have at least one. If single rod >25 ohms need second rod. Ufer 20 ft
of #4 copper in concrete footing in direct contact with earth. Bond all electrodes together.
DOMAIN 4: GROUNDING AND BONDING
Question 9
Equipment grounding conductor sizing based on?
A. Overcurrent device rating per Table 250.122
B. Contraindicated: unsafe or not to code
C. Wrong: not per NEC Table or Article
D. Incorrect: violates NEC or Nevada NSCB law
, Answer: A
Rationale: EGC sized per OCPD rating. Example 20A circuit #12 EGC, 60A #10, 100A #8. Grounded conductor
sized per load. Grounding electrode conductor sized per Table 250.66 based on service conductor size.
DOMAIN 5: SERVICES AND FEEDERS
Question 10
Service disconnect maximum number?
A. Wrong: not per NEC Table or Article
B. Maximum 6 disconnects per service 230.71, grouped in one location
C. Incorrect: violates NEC or Nevada NSCB law
D. Contraindicated: unsafe or not to code
Answer: B
Rationale: Service can have up to 6 disconnects grouped. Must be readily accessible. Each disconnect must be
marked. 2020 NEC requires outdoor emergency disconnect for dwelling.
DOMAIN 5: SERVICES AND FEEDERS
Question 11
Service conductor clearance above roof?
A. Contraindicated: unsafe or not to code
B. Incorrect: violates NEC or Nevada NSCB law
C. Wrong: not per NEC Table or Article
D. Minimum 8 ft above roof maintained for 3 ft in all directions, 18 inches if slope 4:12 or greater for
limited area
Answer: D
Rationale: NEC 230.24 clearance above roof. 8 ft general, 18 inches if 4:12 slope and overhang portion. 10 ft
above finished grade at service drop, 12 ft driveway, 18 ft road.
DOMAIN 6: MOTORS AND TRANSFORMERS
Question 12
Motor FLA vs MCA vs MOCP?
A. Incorrect: violates NEC or Nevada NSCB law
B. Contraindicated: unsafe or not to code
C. Wrong: not per NEC Table or Article
D. FLA Full Load Amps from tables, MCA Minimum Circuit Ampacity 125% FLA, MOCP Maximum
Overcurrent Protection
