PREP BUSINESS, LAW & NEC QUESTIONS AND
ANSWERS GUIDE (VERIFIED ANSWERS &
RATIONALES)
Pass your Nevada C-2 Electrical Contractor Exam on the first
attempt with this premium, comprehensive study bank
featuring highly realistic practice questions. Each question is
paired with a verified correct answer and an in-depth, bolded
rationale covering Nevada State Contractors Board (NSCB)
regulations, mechanics' lien laws, and advanced National
Electrical Code (NEC) calculations. Perfect for students and
field professionals looking for an instant-download,
classroom-grade testing simulation that guarantees elite
preparation.
Question 1
Under Nevada Revised Statutes (NRS 624), what is the maximum
administrative fine that the Nevada State Contractors Board
(NSCB) can issue for a single count of a contractor operating or
bidding beyond the scope of their license classification?
A) $1,000
B) $5,000
C) $10,000
D) $50,000
, • Answer: C
• Rationale: Under NRS 624.3015 and related enforcement
statutes, the Nevada State Contractors Board holds the
authority to levy administrative fines up to $10,000 per
individual violation when a contractor acts or bids on
work outside their verified license classification or
exceeds their established monetary limit.
Question 2
If a prime electrical contractor files a mechanics' lien on a private
commercial project in Nevada, and a Notice of Completion was
properly recorded, within how many days from the recording date
of that Notice of Completion must the contractor record their lien?
A) 30 days
B) 40 days
C) 60 days
D) 90 days
• Answer: C
• Rationale: While the standard timeframe to file a
mechanics' lien is 90 days if no notice is filed, NRS
108.226 explicitly states that if a valid Notice of
Completion is recorded by the owner, the deadline for a
prime contractor to record a lien is shortened to 60 days
from the recording date.
Question 3
According to Nevada State Contractors Board rules, a licensee
must notify the Board in writing of any change of address or
change in the operating personnel of the business within how
,many days of the change?
A) 7 days
B) 15 days
C) 30 days
D) 45 days
• Answer: C
• Rationale: NAC 624.640 dictates that all licensed
contractors in Nevada are legally required to report a
change of address, business name, or change in
officers/qualified personnel to the Board within 30 days.
Question 4
Under Nevada's Prompt Payment Law, if a commercial property
owner receives a proper, undisputed progress billing from a prime
contractor, the owner must pay the contractor within how many
days?
A) 7 days
B) 15 days
C) 21 days
D) 30 days
• Answer: C
• Rationale: NRS 624.609 dictates that an owner must pay
the prime contractor progress payments within 21 days
after the owner receives a proper, conforming billing or
invoice request.
Question 5
When calculating branch-circuit conductor sizing for a continuous
load, such as commercial lighting, what multiplier must be applied
, to the continuous load according to NEC Article 210?
A) 80%
B) 100%
C) 125%
D) 150%
• Answer: C
• Rationale: NEC 210.19(A)(1)(a) requires branch-circuit
conductors to be sized at no less than 125% of the
continuous load, plus 100% of the non-continuous load,
to prevent overheating of conductors and overcurrent
devices during prolonged operation.
Question 6
What is the minimum size copper grounding electrode conductor
(GEC) required for a service with 2/0 AWG copper ungrounded
service-entrance conductors?
A) 8 AWG
B) 6 AWG
C) 4 AWG
D) 2 AWG
• Answer: B
• Rationale: According to NEC Table 250.66, for
ungrounded copper service-entrance conductors sized
1/0 AWG or 2/0 AWG, the minimum required copper
grounding electrode conductor is 6 AWG.
Question 7
According to OSHA Standard 1926, what is the maximum
distance a worker can be from a designated ladder or egress