Florida Electrical Contractor Licensing Exam Test
Questions And Correct Answers (Verified Answers) Plus
Rationales 2025/2026 Q&A | Instant Download Pdf
1. What is the minimum burial depth for direct-buried conductors under a
residential driveway according to the NEC?
18 inches
The NEC Table 300.5 specifies that direct-buried conductors under
residential driveways must be buried at least 18 inches deep for
protection from mechanical damage.
2. Which NEC article covers requirements for grounding and bonding?
Article 250
Article 250 of the NEC provides rules for grounding electrical systems and
bonding conductive materials to ensure safety.
3. In Florida, who issues the Electrical Contractor’s License?
Florida Department of Business and Professional Regulation (DBPR)
The DBPR is responsible for licensing and regulating electrical contractors
in Florida through the Electrical Contractors’ Licensing Board.
4. What is the maximum allowable voltage drop on a branch circuit according
to NEC recommendations?
3%
, NEC recommends (but does not mandate) a maximum of 3% voltage drop
for branch circuits to maintain efficiency and protect equipment.
5. Which type of conduit is permitted for direct burial without additional
protection?
PVC Schedule 80
PVC Schedule 80 is rated for direct burial because of its thicker wall that
provides mechanical protection.
6. Which conductor material has higher ampacity for the same size: copper or
aluminum?
Copper
Copper has a higher conductivity and ampacity than aluminum for the
same gauge, making it more efficient.
7. How often must an electrical contractor renew their Florida license?
Every 2 years
Florida requires biennial renewal of contractor licenses along with
continuing education requirements.
8. What is the required minimum clearance above a residential driveway for
overhead service-drop conductors?
12 feet
NEC 230.24(B) requires a minimum of 12 feet above residential driveways
for service drops to prevent accidental contact.
9. Which NEC article covers motor installation requirements?
Article 430
, Article 430 provides rules for motor installation, protection, control, and
disconnects.
10.In Florida, what is the passing score for the Electrical Contractor Licensing
Exam?
75%
A 75% score is required to pass the Florida electrical licensing exam to
ensure adequate knowledge of the NEC and Florida laws.
11.Which wire size is required for a 100-amp residential service using copper
conductors?
#4 AWG
NEC 310.16 specifies #4 AWG copper as the minimum conductor size for
100 amps.
12.What is the standard frequency of electrical service in the United States?
60 Hz
The U.S. standard frequency for AC power is 60 hertz, ensuring
compatibility with most equipment.
13.Which NEC article covers photovoltaic (solar) systems?
Article 690
Article 690 provides the requirements for safe installation and operation
of photovoltaic systems.
14.In Florida, how many hours of continuing education are required for license
renewal?
14 hours
, Florida requires 14 hours of CE, including technical, business, and safety
topics, for each 2-year renewal cycle.
15.Which GFCI protection is required for receptacles in bathrooms?
All bathroom receptacles
NEC 210.8(A) requires all bathroom receptacles to have GFCI protection to
prevent shock hazards.
16.What is the maximum height for a circuit breaker handle in the “ON”
position?
6 feet 7 inches
NEC 404.8(A) limits the handle height to ensure accessibility for all users.
17.Which device protects a circuit from both overload and short circuit
conditions?
Circuit breaker
Circuit breakers trip on both overcurrent and short circuit conditions to
protect conductors and equipment.
18.In Florida, which exam portion tests knowledge of business and law?
Business and Finance exam
Florida requires passing both the trade exam and the Business and
Finance exam for contractor licensing.
19.Which conductor color is reserved for grounding?
Green or green with yellow stripes
NEC requires grounding conductors to be green or green/yellow to avoid
confusion with current-carrying conductors.
Questions And Correct Answers (Verified Answers) Plus
Rationales 2025/2026 Q&A | Instant Download Pdf
1. What is the minimum burial depth for direct-buried conductors under a
residential driveway according to the NEC?
18 inches
The NEC Table 300.5 specifies that direct-buried conductors under
residential driveways must be buried at least 18 inches deep for
protection from mechanical damage.
2. Which NEC article covers requirements for grounding and bonding?
Article 250
Article 250 of the NEC provides rules for grounding electrical systems and
bonding conductive materials to ensure safety.
3. In Florida, who issues the Electrical Contractor’s License?
Florida Department of Business and Professional Regulation (DBPR)
The DBPR is responsible for licensing and regulating electrical contractors
in Florida through the Electrical Contractors’ Licensing Board.
4. What is the maximum allowable voltage drop on a branch circuit according
to NEC recommendations?
3%
, NEC recommends (but does not mandate) a maximum of 3% voltage drop
for branch circuits to maintain efficiency and protect equipment.
5. Which type of conduit is permitted for direct burial without additional
protection?
PVC Schedule 80
PVC Schedule 80 is rated for direct burial because of its thicker wall that
provides mechanical protection.
6. Which conductor material has higher ampacity for the same size: copper or
aluminum?
Copper
Copper has a higher conductivity and ampacity than aluminum for the
same gauge, making it more efficient.
7. How often must an electrical contractor renew their Florida license?
Every 2 years
Florida requires biennial renewal of contractor licenses along with
continuing education requirements.
8. What is the required minimum clearance above a residential driveway for
overhead service-drop conductors?
12 feet
NEC 230.24(B) requires a minimum of 12 feet above residential driveways
for service drops to prevent accidental contact.
9. Which NEC article covers motor installation requirements?
Article 430
, Article 430 provides rules for motor installation, protection, control, and
disconnects.
10.In Florida, what is the passing score for the Electrical Contractor Licensing
Exam?
75%
A 75% score is required to pass the Florida electrical licensing exam to
ensure adequate knowledge of the NEC and Florida laws.
11.Which wire size is required for a 100-amp residential service using copper
conductors?
#4 AWG
NEC 310.16 specifies #4 AWG copper as the minimum conductor size for
100 amps.
12.What is the standard frequency of electrical service in the United States?
60 Hz
The U.S. standard frequency for AC power is 60 hertz, ensuring
compatibility with most equipment.
13.Which NEC article covers photovoltaic (solar) systems?
Article 690
Article 690 provides the requirements for safe installation and operation
of photovoltaic systems.
14.In Florida, how many hours of continuing education are required for license
renewal?
14 hours
, Florida requires 14 hours of CE, including technical, business, and safety
topics, for each 2-year renewal cycle.
15.Which GFCI protection is required for receptacles in bathrooms?
All bathroom receptacles
NEC 210.8(A) requires all bathroom receptacles to have GFCI protection to
prevent shock hazards.
16.What is the maximum height for a circuit breaker handle in the “ON”
position?
6 feet 7 inches
NEC 404.8(A) limits the handle height to ensure accessibility for all users.
17.Which device protects a circuit from both overload and short circuit
conditions?
Circuit breaker
Circuit breakers trip on both overcurrent and short circuit conditions to
protect conductors and equipment.
18.In Florida, which exam portion tests knowledge of business and law?
Business and Finance exam
Florida requires passing both the trade exam and the Business and
Finance exam for contractor licensing.
19.Which conductor color is reserved for grounding?
Green or green with yellow stripes
NEC requires grounding conductors to be green or green/yellow to avoid
confusion with current-carrying conductors.
