Inspection Level II Certification Exam: Complete
Questions 101-200 with Verified Answers, Detailed
NEC 2023 Code Rationales, NC State Amendments,
Master Motor-Load-Transformer Calculations, plus
Hazardous Locations, EV Charging, and Fire Alarms
– Essential 2026-2027 Success Guide.
PART 1: QUESTIONS 1 – 100
1. What is the minimum size copper service-
entrance conductor for a 225-amp
residential dwelling with 75°C terminals?
A) 2/0 AWG
B) 3/0 AWG
C) 4/0 AWG
D) 250 kcmil
,2. A feeder supplies a 75-amp continuous
load and a 40-amp non-continuous load.
What is the minimum feeder conductor
ampacity?
A) 115 amps
B) 125 amps
C) 133.75 amps
D) 143.75 amps
3. In a commercial building, what is the
minimum working space depth required in
front of a 480-volt panel with exposed live
parts on both sides and a grounded back?
A) 3 feet
B) 3.5 feet
C) 4 feet
D) 4.5 feet
,4. According to NC amendments, where
must the emergency disconnect be located
for a new one-family dwelling?
A) Inside the master bedroom closet
B) Inside the main load center
C) Outside the building or immediately
inside nearest the point of entry
D) At the utility pole transformer
5. What is the maximum number of #12
AWG THHN conductors allowed in a 4" x
1.5" square metal box (without devices or
clamps)?
A) 6
B) 7
C) 8
D) 9
, 6. A 25 HP, 208V, 3-phase motor has a
nameplate FLA of 74.8 amps. What is the
minimum size THWN copper branch circuit
conductor?
A) #4 AWG
B) #3 AWG
C) #2 AWG
D) #1 AWG
7. What is the minimum burial depth for
PVC conduit containing 120-volt branch
circuits under a residential front yard (non-
vehicular area)?
A) 12 inches
B) 18 inches
C) 24 inches
D) 36 inches