Florida Certified Electrical Contractor
Exam Questions And Correct Answers
With Rationales
1. Florida Electrical Contractor licensing is regulated by which
authority?
A. Florida Department of Labor
B. Florida Electrical Board
C. Florida Department of Business and Professional Regulation (DBPR)
D. Florida Construction Licensing Bureau
Rationale: DBPR manages licensing and enforcement for all certified
contracting professions.
2. The NEC is primarily concerned with:
A. Utility provider design standards
B. Safety of electrical installations
C. Design aesthetics
D. Energy efficiency standards only
Rationale: NEC’s core purpose is practical safeguarding of persons and
property.
3. What is the minimum size grounding electrode conductor for a 200-
amp service using copper?
,A. 4 AWG
B. 6 AWG
C. 2 AWG
D. 8 AWG
Rationale: NEC Table 250.66 specifies 6 AWG copper for 2/0 service
conductors (200A).
4. Which conductor is permitted to be smaller than the ungrounded
conductors?
A. Service entrance conductors
B. Equipment grounding conductor
C. Feeder conductors
D. Branch circuit conductors
Rationale: Equipment grounding conductors may be reduced per NEC
250.122.
5. The minimum burial depth for rigid metal conduit under a driveway
is:
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Rationale: NEC Table 300.5 requires 18 inches for rigid metal under
driveways.
6. Maximum number of disconnects allowed in one service disconnect
grouping?
A. 4
B. 5
C. 6
, D. 8
Rationale: The “six-disconnect rule” applies per NEC 230.71.
7. The ampacity of a conductor must be corrected when ambient
temperature exceeds:
A. 30°C (86°F)
B. 40°C (104°F)
C. 25°C (77°F)
D. 35°C (95°F)
Rationale: NEC ampacity tables assume 30°C; above this, correction
factors apply.
8. A GFCI device trips when current imbalance exceeds:
A. 3 mA
B. 2 mA
C. 5 mA
D. 15 mA
Rationale: Standard personnel-protection GFCIs trip at 4–6 mA.
9. Which wiring method is allowed in a plenum ceiling?
A. NM cable
B. Plenum-rated cable (CMP)
C. UF cable
D. Standard THHN in no raceway
Rationale: Only plenum-rated assemblies approved for air-handling spaces
are allowed.
10. Minimum working clearance in front of 480V electrical gear?
Exam Questions And Correct Answers
With Rationales
1. Florida Electrical Contractor licensing is regulated by which
authority?
A. Florida Department of Labor
B. Florida Electrical Board
C. Florida Department of Business and Professional Regulation (DBPR)
D. Florida Construction Licensing Bureau
Rationale: DBPR manages licensing and enforcement for all certified
contracting professions.
2. The NEC is primarily concerned with:
A. Utility provider design standards
B. Safety of electrical installations
C. Design aesthetics
D. Energy efficiency standards only
Rationale: NEC’s core purpose is practical safeguarding of persons and
property.
3. What is the minimum size grounding electrode conductor for a 200-
amp service using copper?
,A. 4 AWG
B. 6 AWG
C. 2 AWG
D. 8 AWG
Rationale: NEC Table 250.66 specifies 6 AWG copper for 2/0 service
conductors (200A).
4. Which conductor is permitted to be smaller than the ungrounded
conductors?
A. Service entrance conductors
B. Equipment grounding conductor
C. Feeder conductors
D. Branch circuit conductors
Rationale: Equipment grounding conductors may be reduced per NEC
250.122.
5. The minimum burial depth for rigid metal conduit under a driveway
is:
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Rationale: NEC Table 300.5 requires 18 inches for rigid metal under
driveways.
6. Maximum number of disconnects allowed in one service disconnect
grouping?
A. 4
B. 5
C. 6
, D. 8
Rationale: The “six-disconnect rule” applies per NEC 230.71.
7. The ampacity of a conductor must be corrected when ambient
temperature exceeds:
A. 30°C (86°F)
B. 40°C (104°F)
C. 25°C (77°F)
D. 35°C (95°F)
Rationale: NEC ampacity tables assume 30°C; above this, correction
factors apply.
8. A GFCI device trips when current imbalance exceeds:
A. 3 mA
B. 2 mA
C. 5 mA
D. 15 mA
Rationale: Standard personnel-protection GFCIs trip at 4–6 mA.
9. Which wiring method is allowed in a plenum ceiling?
A. NM cable
B. Plenum-rated cable (CMP)
C. UF cable
D. Standard THHN in no raceway
Rationale: Only plenum-rated assemblies approved for air-handling spaces
are allowed.
10. Minimum working clearance in front of 480V electrical gear?
