Florida Electrical Inspector Practice Exam: Questions
with Answers &NEC Rationales Digital download
(PDF) Instant access after purchase
1. According to NEC Article 100, a periodic duty where the load is significantly lower than the rating, or a load
that operates for intermittent periods, is classified as which type of duty?
A. Continuous duty
B. Intermittent duty
C. Periodic duty
D. Varying duty
2. In a standard single-family residential service inspection, what is the minimum clearance required for
overhead service conductors above a residential driveway?
A. 10 feet
B. 12 feet
C. 15 feet
D. 18 feet
3. When inspecting a commercial layout, what is the minimum structural depth below finish grade for a direct-
buried Schedule 40 PVC conduit containing a 120V, 20-amp GFCI-protected branch circuit?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
4. An inspector is reviewing a commercial building's service grounding electrode conductor. If the service-
entrance conductors are 3/0 AWG copper, what is the minimum size required for a copper grounding
electrode conductor to a metal water pipe?
A. 8 AWG
B. 6 AWG
C. 4 AWG
D. 2 AWG
,5. Under NEC Article 310, what is the temperature correction factor for a THHN copper conductor operating in
an ambient temperature of 105°F (40°C)?
A. 1.00
B. 0.91
C. 0.82
D. 0.71
6. Which of the following conditions constitutes a "continuous load" as defined by the National Electrical
Code?
A. A load where the maximum current is expected to continue for 2 hours or more.
B. A load where the maximum current is expected to continue for 3 hours or more.
B. A load where the maximum current is expected to continue for 4 hours or more.
D. A load that cycles on and off every 30 minutes.
7. What is the maximum number of disconnects permitted for a single building's main service under the
traditional "six disconnect rule"?
A. 2
B. 4
C. 6
D. 8
8. When inspecting a commercial kitchen, which of the following receptacle outlets requires GFCI protection?
A. Only receptacles within 6 feet of the sink.
B. Only receptacles serving the countertops.
C. All 125-volt, single-phase, 15- and 20-ampere receptacles.
D. Only receptacles powering refrigeration units.
9. What is the minimum workspace depth required in front of electrical equipment operating at 480Y/277V
where live parts are exposed on one side and grounded parts on the other side (Condition 2)?
A. 3 feet
B. 3.5 feet
C. 4 feet
D. 5 feet
10. In a health care facility inspection, what color identifies a hospital-grade receptacle?
A. Red
, B. Green dot on the face
C. Orange triangle on the face
D. Blue
11. What is the maximum percentage of cross-sectional area fill permitted in a conduit or tubing containing
three or more conductors?
A. 31%
B. 40%
C. 53%
D. 60%
12. A branch circuit supplies a single non-motor-operated appliance load in a residential home. The rating of
the appliance must not exceed what percentage of the branch-circuit ampere rating if the circuit also
supplies lighting units?
A. 50%
B. 70%
C. 80%
D. 125%
13. When checking the installation of Type NM cable (Romex), what is the maximum permitted distance
between structural supports?
A. 3 feet
B. 4.5 feet
C. 5 feet
D. 6 feet
14. During an electrical inspection of a swimming pool installation, what is the minimum size solid copper
bonding conductor required to bond the perimeter surfaces of the pool deck?
A. 10 AWG
B. 8 AWG
C. 6 AWG
D. 4 AWG
15. What is the minimum length of free conductor required at an outlet, junction, or switch box for splices or the
connection of luminaires?
A. 3 inches
, B. 4 inches
C. 6 inches
D. 8 inches
16. Which of the following represents the minimum clear headroom of working spaces about service
equipment, switchboards, or motor control centers?
A. 6 feet
B. 6.5 feet
C. 6.75 feet
D. 7 feet
17. An inspector notes that a commercial facility is utilizing a 200-ampere panelboard as service equipment.
What is the minimum rating of the main overcurrent protective device required for this panelboard if it
handles a continuous load of 150 amperes?
A. 150 amperes
B. 175 amperes
C. 200 amperes
D. 225 amperes
18. What is the maximum overcurrent protection permitted for a 14 AWG copper branch-circuit conductor
supplying general lighting?
A. 15 amperes
B. 20 amperes
C. 25 amperes
D. 30 amperes
19. In a Class I, Division 1 hazardous location, what type of conduit is required to ensure containment of an
internal explosion?
A. Rigid Metal Conduit (RMC)
B. Electrical Metallic Tubing (EMT)
C. Rigid Polyvinyl Chloride Conduit (PVC)
D. Flexible Metallic Tubing (FMT)
20. A 240V single-phase room air conditioner must be considered as a single appliance if its rating is not more
than what percentage of the branch-circuit rating?
A. 40%
with Answers &NEC Rationales Digital download
(PDF) Instant access after purchase
1. According to NEC Article 100, a periodic duty where the load is significantly lower than the rating, or a load
that operates for intermittent periods, is classified as which type of duty?
A. Continuous duty
B. Intermittent duty
C. Periodic duty
D. Varying duty
2. In a standard single-family residential service inspection, what is the minimum clearance required for
overhead service conductors above a residential driveway?
A. 10 feet
B. 12 feet
C. 15 feet
D. 18 feet
3. When inspecting a commercial layout, what is the minimum structural depth below finish grade for a direct-
buried Schedule 40 PVC conduit containing a 120V, 20-amp GFCI-protected branch circuit?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
4. An inspector is reviewing a commercial building's service grounding electrode conductor. If the service-
entrance conductors are 3/0 AWG copper, what is the minimum size required for a copper grounding
electrode conductor to a metal water pipe?
A. 8 AWG
B. 6 AWG
C. 4 AWG
D. 2 AWG
,5. Under NEC Article 310, what is the temperature correction factor for a THHN copper conductor operating in
an ambient temperature of 105°F (40°C)?
A. 1.00
B. 0.91
C. 0.82
D. 0.71
6. Which of the following conditions constitutes a "continuous load" as defined by the National Electrical
Code?
A. A load where the maximum current is expected to continue for 2 hours or more.
B. A load where the maximum current is expected to continue for 3 hours or more.
B. A load where the maximum current is expected to continue for 4 hours or more.
D. A load that cycles on and off every 30 minutes.
7. What is the maximum number of disconnects permitted for a single building's main service under the
traditional "six disconnect rule"?
A. 2
B. 4
C. 6
D. 8
8. When inspecting a commercial kitchen, which of the following receptacle outlets requires GFCI protection?
A. Only receptacles within 6 feet of the sink.
B. Only receptacles serving the countertops.
C. All 125-volt, single-phase, 15- and 20-ampere receptacles.
D. Only receptacles powering refrigeration units.
9. What is the minimum workspace depth required in front of electrical equipment operating at 480Y/277V
where live parts are exposed on one side and grounded parts on the other side (Condition 2)?
A. 3 feet
B. 3.5 feet
C. 4 feet
D. 5 feet
10. In a health care facility inspection, what color identifies a hospital-grade receptacle?
A. Red
, B. Green dot on the face
C. Orange triangle on the face
D. Blue
11. What is the maximum percentage of cross-sectional area fill permitted in a conduit or tubing containing
three or more conductors?
A. 31%
B. 40%
C. 53%
D. 60%
12. A branch circuit supplies a single non-motor-operated appliance load in a residential home. The rating of
the appliance must not exceed what percentage of the branch-circuit ampere rating if the circuit also
supplies lighting units?
A. 50%
B. 70%
C. 80%
D. 125%
13. When checking the installation of Type NM cable (Romex), what is the maximum permitted distance
between structural supports?
A. 3 feet
B. 4.5 feet
C. 5 feet
D. 6 feet
14. During an electrical inspection of a swimming pool installation, what is the minimum size solid copper
bonding conductor required to bond the perimeter surfaces of the pool deck?
A. 10 AWG
B. 8 AWG
C. 6 AWG
D. 4 AWG
15. What is the minimum length of free conductor required at an outlet, junction, or switch box for splices or the
connection of luminaires?
A. 3 inches
, B. 4 inches
C. 6 inches
D. 8 inches
16. Which of the following represents the minimum clear headroom of working spaces about service
equipment, switchboards, or motor control centers?
A. 6 feet
B. 6.5 feet
C. 6.75 feet
D. 7 feet
17. An inspector notes that a commercial facility is utilizing a 200-ampere panelboard as service equipment.
What is the minimum rating of the main overcurrent protective device required for this panelboard if it
handles a continuous load of 150 amperes?
A. 150 amperes
B. 175 amperes
C. 200 amperes
D. 225 amperes
18. What is the maximum overcurrent protection permitted for a 14 AWG copper branch-circuit conductor
supplying general lighting?
A. 15 amperes
B. 20 amperes
C. 25 amperes
D. 30 amperes
19. In a Class I, Division 1 hazardous location, what type of conduit is required to ensure containment of an
internal explosion?
A. Rigid Metal Conduit (RMC)
B. Electrical Metallic Tubing (EMT)
C. Rigid Polyvinyl Chloride Conduit (PVC)
D. Flexible Metallic Tubing (FMT)
20. A 240V single-phase room air conditioner must be considered as a single appliance if its rating is not more
than what percentage of the branch-circuit rating?
A. 40%
