CSAP 2 Level II NEC Conduit and Raceway Systems Mastery Exam
Guide: Raceways Definition, Metric Designators and Trade Size
Conversions, Conduit Fill Percentages and Conductor Capacity
Calculations, EMT Fill Tables, NEC Chapter 3 Raceway Articles (RMC,
IMC, PVC, LFMC, LFNC, FMC, HDPE, NUCC), Table 300.1(C) and Annex
C Requirements, Underground Wiring and Table 300.5 Cover Depth
Rules, Physical Damage Protection (NEC 300.4), Expansion and
Thermal Contraction Fittings (300.7, 352.44), PVC Conduit
Installation and Field Bending Requirements, Raceway Support and
Fastening Distances, Bending Limits Between Pull Points, Busway
Definitions, Grounding and Bonding for Flexible Metallic Conduit
Systems, and Full Raceway Construction Standards Across NEC
Articles 342–356 Exam Questions Verified and Provided with
Complete A+ Graded Answers Latest Updated 2026
Lesson 1: Conduit and Raceway Basics
1. The metric designators and trade sizes are for identification purposes only and are not
actual dimensions, as pointed out in the note to NEC ? .
b. Table 300.1(C)
2. Informative Annex C is part of the requirements of the NEC.
False
,3. Raceway is defined in the NEC as an enclosed channel designed expressly for holding wires,
cables, or busbars, with additional functions as permitted in the Code
True 100
4. Match the percent of cross-sectional area of conduit and tubing with the number of
conductors permitted.
53%=1, 31%=2, 40%=12
5. Match the metric designator with the associated conduit trade size.
21=3/4, 27=1, 35=1 1/4
6. Match the metric designator with the associated conduit trade size.
53=2, 103=4, 155=6
7. Which of the following is the maximum number of 12 AWG THHN conductors permitted in
trade size 1 EMT?
d. 26
8. Match the conduit or raceway with the associated NEC Article.
Rigid Polyvinyl Chloride Conduit=352, NUCC=354, IMC=342, LFNC=356, Rigid Metal
Conduit=344
,9. ? of Articles 384, 376, and 360 addresses construction specifications.
c. Part III
10. Article 368 is comprised of how many parts?
b. 4
11. Which of the following conduits or raceways, factory elbows, and associated fittings is/are
required to be listed?
e. All of the above
12. Which Section in the NEC provides the general requirement that conduits and raceways
are required to be protected from being subjected to physical damage?
c. Section 300.4
13. Which two conduit or raceway types are exempt from the provision that generally
requires raceways installed under metal-corrugated sheet roof decking to be at least 11/2
inches from the lowest surface of the roof decking to the raceway?
c. Type IMC and Type RMC, 300.4(E) Exception
14. Which conduit or raceway type is not exempt from the provision that generally requires
raceways installed through bored holes through wood members that are not at least 11/4
inches from the wood member to be protected by a steel plate?
, c. Type LFNC, 300.4(A)(1) Exception No. 1
15. ? establishes the minimum cover requirements for raceways installed underground
containing circuits operating at 0 to 1,000 volts, nominal.
b. Table 300.5
16. Raceways are required to be provided with expansion, expansion-deflection, or deflection
fittings where necessary to compensate for thermal expansion, deflection, and contraction.
a. True, 300.7(B)
17. Type HDPE is a rigid nonmetallic raceway, by definition.
b. False, 353.2
18. The requirement that all cut ends of PVC conduit be trimmed to remove rough edges is
contained within ? of Article 352.
b. Part II
19. Expansion fittings for PVC conduit are required to be provided to compensate for thermal
expansion and contraction where the length change, in accordance with ? , is expected to be
six millimeters (1/4 inch) or greater in a straight run between securely mounted items such as
boxes, cabinets, elbows, or other conduit terminations.
c. Table 352.44, 352.44
Guide: Raceways Definition, Metric Designators and Trade Size
Conversions, Conduit Fill Percentages and Conductor Capacity
Calculations, EMT Fill Tables, NEC Chapter 3 Raceway Articles (RMC,
IMC, PVC, LFMC, LFNC, FMC, HDPE, NUCC), Table 300.1(C) and Annex
C Requirements, Underground Wiring and Table 300.5 Cover Depth
Rules, Physical Damage Protection (NEC 300.4), Expansion and
Thermal Contraction Fittings (300.7, 352.44), PVC Conduit
Installation and Field Bending Requirements, Raceway Support and
Fastening Distances, Bending Limits Between Pull Points, Busway
Definitions, Grounding and Bonding for Flexible Metallic Conduit
Systems, and Full Raceway Construction Standards Across NEC
Articles 342–356 Exam Questions Verified and Provided with
Complete A+ Graded Answers Latest Updated 2026
Lesson 1: Conduit and Raceway Basics
1. The metric designators and trade sizes are for identification purposes only and are not
actual dimensions, as pointed out in the note to NEC ? .
b. Table 300.1(C)
2. Informative Annex C is part of the requirements of the NEC.
False
,3. Raceway is defined in the NEC as an enclosed channel designed expressly for holding wires,
cables, or busbars, with additional functions as permitted in the Code
True 100
4. Match the percent of cross-sectional area of conduit and tubing with the number of
conductors permitted.
53%=1, 31%=2, 40%=12
5. Match the metric designator with the associated conduit trade size.
21=3/4, 27=1, 35=1 1/4
6. Match the metric designator with the associated conduit trade size.
53=2, 103=4, 155=6
7. Which of the following is the maximum number of 12 AWG THHN conductors permitted in
trade size 1 EMT?
d. 26
8. Match the conduit or raceway with the associated NEC Article.
Rigid Polyvinyl Chloride Conduit=352, NUCC=354, IMC=342, LFNC=356, Rigid Metal
Conduit=344
,9. ? of Articles 384, 376, and 360 addresses construction specifications.
c. Part III
10. Article 368 is comprised of how many parts?
b. 4
11. Which of the following conduits or raceways, factory elbows, and associated fittings is/are
required to be listed?
e. All of the above
12. Which Section in the NEC provides the general requirement that conduits and raceways
are required to be protected from being subjected to physical damage?
c. Section 300.4
13. Which two conduit or raceway types are exempt from the provision that generally
requires raceways installed under metal-corrugated sheet roof decking to be at least 11/2
inches from the lowest surface of the roof decking to the raceway?
c. Type IMC and Type RMC, 300.4(E) Exception
14. Which conduit or raceway type is not exempt from the provision that generally requires
raceways installed through bored holes through wood members that are not at least 11/4
inches from the wood member to be protected by a steel plate?
, c. Type LFNC, 300.4(A)(1) Exception No. 1
15. ? establishes the minimum cover requirements for raceways installed underground
containing circuits operating at 0 to 1,000 volts, nominal.
b. Table 300.5
16. Raceways are required to be provided with expansion, expansion-deflection, or deflection
fittings where necessary to compensate for thermal expansion, deflection, and contraction.
a. True, 300.7(B)
17. Type HDPE is a rigid nonmetallic raceway, by definition.
b. False, 353.2
18. The requirement that all cut ends of PVC conduit be trimmed to remove rough edges is
contained within ? of Article 352.
b. Part II
19. Expansion fittings for PVC conduit are required to be provided to compensate for thermal
expansion and contraction where the length change, in accordance with ? , is expected to be
six millimeters (1/4 inch) or greater in a straight run between securely mounted items such as
boxes, cabinets, elbows, or other conduit terminations.
c. Table 352.44, 352.44
