NYC ELECTRICIAN (NYC H+H) EXAM PRACTICE QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A |LATEST EXAM UPDATE 2026/2027
Section One: Questions 1–100
What is the minimum clearance distance for dedicated electrical space for equipment 600V or
less?
A. 3 feet
B. 6 feet
C. 5 feet
D. 2 feet
🟢 A. 3 feet
🔴 RATIONALE: NEC 110.26(A)(1) requires a minimum workspace depth of 3 feet in the direction
of access to live parts for systems 600V or less.
Which conductor type is permitted for use in wet locations?
A. THHN
B. THWN
C. NM-B
D. AC
🟢 B. THWN
🔴 RATIONALE: THWN (Thermoplastic Heat and Water-resistant Nylon-coated) is rated for wet
locations, unlike THHN, which is only for dry and damp locations.
When calculating voltage drop for a branch circuit, which factor is NOT required?
A. Conductor material
B. Length of run
C. Ambient temperature
D. Load current
,🟢 C. Ambient temperature
🔴 RATIONALE: While ambient temperature affects ampacity, voltage drop calculations are
primarily based on conductor resistance, length, and the current load.
What is the maximum number of overcurrent devices allowed in a single lighting and appliance
branch-circuit panelboard?
A. 30
B. 42
C. 48
D. 60
🟢 B. 42
🔴 RATIONALE: NEC 408.36 limits lighting and appliance branch-circuit panelboards to a
maximum of 42 overcurrent devices.
Which device must be installed in a garage to provide ground-fault protection for personnel?
A. AFCI
B. GFCI
C. Surge protector
D. Isolation transformer
🟢 B. GFCI
🔴 RATIONALE: NEC 210.8 requires all 125V, single-phase, 15A and 20A receptacles in garages
to have GFCI protection.
What color identifies the equipment grounding conductor?
A. White or Gray
B. Green or Bare
C. Black or Red
,D. Blue
🟢 B. Green or Bare
🔴 RATIONALE: NEC 250.119 mandates that equipment grounding conductors be green, green
with yellow stripes, or bare.
What is the minimum burial depth for rigid metal conduit (RMC) under a residential driveway?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
🟢 A. 6 inches
🔴 RATIONALE: According to Table 300.5, RMC and IMC require a minimum burial depth of 6
inches when buried under residential driveways.
A 20A branch circuit supplying lighting in a commercial building is considered a:
A. Continuous load
B. Non-continuous load
C. Periodic load
D. Intermittent load
🟢 A. Continuous load
🔴 RATIONALE: Lighting loads in commercial occupancies are considered continuous (lasting 3
hours or more), requiring 125% sizing for overcurrent protection.
What is the primary purpose of an Equipment Grounding Conductor (EGC)?
A. To carry normal return current
B. To provide a low-impedance path to ground for fault current
C. To reduce voltage drop
, D. To balance the phases
🟢 B. To provide a low-impedance path to ground for fault current
🔴 RATIONALE: The EGC is designed to facilitate the operation of overcurrent devices by
providing a low-impedance path for fault current.
Which of the following is prohibited in a hazardous location classified as Class I, Division 1?
A. Explosion-proof enclosures
B. Rigid Metal Conduit
C. Non-metallic sheathed cable (NM)
D. Intrinsically safe systems
🟢 C. Non-metallic sheathed cable (NM)
🔴 RATIONALE: NM cable is not permitted in Class I, Division 1 locations due to the risk of
sparking or arc formation in the presence of flammable gases.
The total resistance of three 10-ohm resistors in parallel is:
A. 3.33 ohms
B. 10 ohms
C. 30 ohms
D. 0.33 ohms
🟢 A. 3.33 ohms
🔴 RATIONALE: For resistors in parallel, 1/Rt = 1/R1 + 1/R2 + 1/R3. 1/10 + 1/10 + 1/10 = 3/10.
Inverse is 3.33.
What is the minimum service-entrance conductor size for a 100A service?
A. #6 AWG Copper
B. #4 AWG Copper
C. #2 AWG Copper
(VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A |LATEST EXAM UPDATE 2026/2027
Section One: Questions 1–100
What is the minimum clearance distance for dedicated electrical space for equipment 600V or
less?
A. 3 feet
B. 6 feet
C. 5 feet
D. 2 feet
🟢 A. 3 feet
🔴 RATIONALE: NEC 110.26(A)(1) requires a minimum workspace depth of 3 feet in the direction
of access to live parts for systems 600V or less.
Which conductor type is permitted for use in wet locations?
A. THHN
B. THWN
C. NM-B
D. AC
🟢 B. THWN
🔴 RATIONALE: THWN (Thermoplastic Heat and Water-resistant Nylon-coated) is rated for wet
locations, unlike THHN, which is only for dry and damp locations.
When calculating voltage drop for a branch circuit, which factor is NOT required?
A. Conductor material
B. Length of run
C. Ambient temperature
D. Load current
,🟢 C. Ambient temperature
🔴 RATIONALE: While ambient temperature affects ampacity, voltage drop calculations are
primarily based on conductor resistance, length, and the current load.
What is the maximum number of overcurrent devices allowed in a single lighting and appliance
branch-circuit panelboard?
A. 30
B. 42
C. 48
D. 60
🟢 B. 42
🔴 RATIONALE: NEC 408.36 limits lighting and appliance branch-circuit panelboards to a
maximum of 42 overcurrent devices.
Which device must be installed in a garage to provide ground-fault protection for personnel?
A. AFCI
B. GFCI
C. Surge protector
D. Isolation transformer
🟢 B. GFCI
🔴 RATIONALE: NEC 210.8 requires all 125V, single-phase, 15A and 20A receptacles in garages
to have GFCI protection.
What color identifies the equipment grounding conductor?
A. White or Gray
B. Green or Bare
C. Black or Red
,D. Blue
🟢 B. Green or Bare
🔴 RATIONALE: NEC 250.119 mandates that equipment grounding conductors be green, green
with yellow stripes, or bare.
What is the minimum burial depth for rigid metal conduit (RMC) under a residential driveway?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
🟢 A. 6 inches
🔴 RATIONALE: According to Table 300.5, RMC and IMC require a minimum burial depth of 6
inches when buried under residential driveways.
A 20A branch circuit supplying lighting in a commercial building is considered a:
A. Continuous load
B. Non-continuous load
C. Periodic load
D. Intermittent load
🟢 A. Continuous load
🔴 RATIONALE: Lighting loads in commercial occupancies are considered continuous (lasting 3
hours or more), requiring 125% sizing for overcurrent protection.
What is the primary purpose of an Equipment Grounding Conductor (EGC)?
A. To carry normal return current
B. To provide a low-impedance path to ground for fault current
C. To reduce voltage drop
, D. To balance the phases
🟢 B. To provide a low-impedance path to ground for fault current
🔴 RATIONALE: The EGC is designed to facilitate the operation of overcurrent devices by
providing a low-impedance path for fault current.
Which of the following is prohibited in a hazardous location classified as Class I, Division 1?
A. Explosion-proof enclosures
B. Rigid Metal Conduit
C. Non-metallic sheathed cable (NM)
D. Intrinsically safe systems
🟢 C. Non-metallic sheathed cable (NM)
🔴 RATIONALE: NM cable is not permitted in Class I, Division 1 locations due to the risk of
sparking or arc formation in the presence of flammable gases.
The total resistance of three 10-ohm resistors in parallel is:
A. 3.33 ohms
B. 10 ohms
C. 30 ohms
D. 0.33 ohms
🟢 A. 3.33 ohms
🔴 RATIONALE: For resistors in parallel, 1/Rt = 1/R1 + 1/R2 + 1/R3. 1/10 + 1/10 + 1/10 = 3/10.
Inverse is 3.33.
What is the minimum service-entrance conductor size for a 100A service?
A. #6 AWG Copper
B. #4 AWG Copper
C. #2 AWG Copper
