NCCER ELECTRICAL MODULE 2 LEVEL 2 2026
QUESTION BANK ELECTRICAL SAFETY AND
CODE MODULE SOLVED ITEMS AND
RESPONSE KEY
◉ A sub-objective of selecting conductors is to identify the ____ for
branch circuits and feeders. Answer: * overcurrent protection * -
Module 26302-23, Objective 1a - Identify overcurrent protection for
branch circuits and feeders.
◉ Does the module on Conductor Selection and Calculations cover
how to identify the properties of conductors? Answer: * Yes * -
Module 26302-23, Objective 1b - Identify the properties of
conductors.
◉ What is the second main objective for Module 26302-23? Answer:
* To size conductors based on expected load and voltage drop. * -
Module 26302-23, Objective 2 - Size conductors based on expected
load and voltage drop.
◉ A sub-objective of sizing conductors is to calculate wire sizes
based on what electrical property? Answer: * Resistance * - Module
26302-23, Objective 2a - Calculate wire sizes based on resistance.
,◉ This module prepares you to calculate ____ resistances. Answer: *
conductor * - Module 26302-23, Objective 2b - Calculate conductor
resistances.
◉ True or False: A key skill taught in this module is how to calculate
voltage drops for various applications. Answer: * TRUE * - Module
26302-23, Objective 2c - Calculate voltage drops for various
applications.
◉ NFPA 70®, National Electrical Code®, and NEC® are registered
trademarks of what organization? Answer: * The National Fire
Protection Association, Quincy, MA. * - Module 26302-23, Note -
NFPA 70®, National Electrical Code®, and NEC® are registered
trademarks of the National Fire Protection Association, Quincy, MA.
◉ Are there Performance Tasks associated with Module 26302-23?
Answer: * No, it is a knowledge-based module. * - Module 26302-23,
Performance Tasks - This is a knowledge-based module. There are
no Performance Tasks.
◉ According to the overview, what ability is important when
selecting conductors? Answer: * The ability to calculate conductor
resistances and voltage drops. * - Module 26302-23, Overview - The
ability to calculate conductor resistances and voltage drops is
important when selecting conductors.
,◉ What is one of the factors involved in conductor selection
mentioned in the overview? Answer: * Insulation types * - Module
26302-23, Overview - ...other factors involved in conductor
selection, including insulation types, current-carrying capacity,
temperature ratings, and voltage drop.
◉ True or False: According to the module overview, current-carrying
capacity is a factor involved in conductor selection. Answer: * TRUE
* - Module 26302-23, Overview - ...other factors involved in
conductor selection, including insulation types, current-carrying
capacity, temperature ratings, and voltage drop.
◉ One factor involved in conductor selection is ____ ratings. Answer:
* temperature * - Module 26302-23, Overview - ...other factors
involved in conductor selection, including insulation types, current-
carrying capacity, temperature ratings, and voltage drop.
◉ Is voltage drop considered a factor in conductor selection
according to the module overview? Answer: * Yes * - Module 26302-
23, Overview - ...other factors involved in conductor selection,
including insulation types, current-carrying capacity, temperature
ratings, and voltage drop.
◉ What material is the most ideal conductor due to its excellent
cost-to-conductivity ratio? Answer: * Copper * - 1.0.0 - A variety of
materials may be used to transmit electrical energy, but copper
, remains the most ideal conductor due to its excellent cost-to-
conductivity ratio.
◉ What type of copper is used in most electrical conductors?
Answer: * Electrolytic copper * - 1.0.0 - Electrolytic copper, the type
used in most electrical conductors, has the following general
characteristics:
◉ The number and arrangement of conductor strands primarily
affects what property of the conductor? Answer: * Its relative
flexibility. * - 1.0.0 - Method of stranding — The number and
arrangement of conductor strands affects the relative flexibility of
the conductor.
◉ According to NEC Section 310.3(C), all conductors size No. ____
AWG and larger must be stranded when installed in raceways, unless
otherwise permitted. Answer: * 8 * - NEC Section 310.3(C) - NEC
Section 310.3(C) requires all conductors size No. 8 AWG and larger
to be constructed with more than one strand when installed in
raceways, unless specifically permitted or required elsewhere in the
NEC® to be solid.
◉ What is the least flexible form of a conductor? Answer: * Solid
wire (one strand). * - 1.0.0 - Solid wire is the least flexible form of a
conductor.
QUESTION BANK ELECTRICAL SAFETY AND
CODE MODULE SOLVED ITEMS AND
RESPONSE KEY
◉ A sub-objective of selecting conductors is to identify the ____ for
branch circuits and feeders. Answer: * overcurrent protection * -
Module 26302-23, Objective 1a - Identify overcurrent protection for
branch circuits and feeders.
◉ Does the module on Conductor Selection and Calculations cover
how to identify the properties of conductors? Answer: * Yes * -
Module 26302-23, Objective 1b - Identify the properties of
conductors.
◉ What is the second main objective for Module 26302-23? Answer:
* To size conductors based on expected load and voltage drop. * -
Module 26302-23, Objective 2 - Size conductors based on expected
load and voltage drop.
◉ A sub-objective of sizing conductors is to calculate wire sizes
based on what electrical property? Answer: * Resistance * - Module
26302-23, Objective 2a - Calculate wire sizes based on resistance.
,◉ This module prepares you to calculate ____ resistances. Answer: *
conductor * - Module 26302-23, Objective 2b - Calculate conductor
resistances.
◉ True or False: A key skill taught in this module is how to calculate
voltage drops for various applications. Answer: * TRUE * - Module
26302-23, Objective 2c - Calculate voltage drops for various
applications.
◉ NFPA 70®, National Electrical Code®, and NEC® are registered
trademarks of what organization? Answer: * The National Fire
Protection Association, Quincy, MA. * - Module 26302-23, Note -
NFPA 70®, National Electrical Code®, and NEC® are registered
trademarks of the National Fire Protection Association, Quincy, MA.
◉ Are there Performance Tasks associated with Module 26302-23?
Answer: * No, it is a knowledge-based module. * - Module 26302-23,
Performance Tasks - This is a knowledge-based module. There are
no Performance Tasks.
◉ According to the overview, what ability is important when
selecting conductors? Answer: * The ability to calculate conductor
resistances and voltage drops. * - Module 26302-23, Overview - The
ability to calculate conductor resistances and voltage drops is
important when selecting conductors.
,◉ What is one of the factors involved in conductor selection
mentioned in the overview? Answer: * Insulation types * - Module
26302-23, Overview - ...other factors involved in conductor
selection, including insulation types, current-carrying capacity,
temperature ratings, and voltage drop.
◉ True or False: According to the module overview, current-carrying
capacity is a factor involved in conductor selection. Answer: * TRUE
* - Module 26302-23, Overview - ...other factors involved in
conductor selection, including insulation types, current-carrying
capacity, temperature ratings, and voltage drop.
◉ One factor involved in conductor selection is ____ ratings. Answer:
* temperature * - Module 26302-23, Overview - ...other factors
involved in conductor selection, including insulation types, current-
carrying capacity, temperature ratings, and voltage drop.
◉ Is voltage drop considered a factor in conductor selection
according to the module overview? Answer: * Yes * - Module 26302-
23, Overview - ...other factors involved in conductor selection,
including insulation types, current-carrying capacity, temperature
ratings, and voltage drop.
◉ What material is the most ideal conductor due to its excellent
cost-to-conductivity ratio? Answer: * Copper * - 1.0.0 - A variety of
materials may be used to transmit electrical energy, but copper
, remains the most ideal conductor due to its excellent cost-to-
conductivity ratio.
◉ What type of copper is used in most electrical conductors?
Answer: * Electrolytic copper * - 1.0.0 - Electrolytic copper, the type
used in most electrical conductors, has the following general
characteristics:
◉ The number and arrangement of conductor strands primarily
affects what property of the conductor? Answer: * Its relative
flexibility. * - 1.0.0 - Method of stranding — The number and
arrangement of conductor strands affects the relative flexibility of
the conductor.
◉ According to NEC Section 310.3(C), all conductors size No. ____
AWG and larger must be stranded when installed in raceways, unless
otherwise permitted. Answer: * 8 * - NEC Section 310.3(C) - NEC
Section 310.3(C) requires all conductors size No. 8 AWG and larger
to be constructed with more than one strand when installed in
raceways, unless specifically permitted or required elsewhere in the
NEC® to be solid.
◉ What is the least flexible form of a conductor? Answer: * Solid
wire (one strand). * - 1.0.0 - Solid wire is the least flexible form of a
conductor.
