iec year 2 part 2 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Compliance with the provisions of the Code will result in ___. - CORRECT ANSWER -
freedom from hazard
Where one or more complete paragraphs from the previous edition of the NEC® have been
deleted in the current edition, the deletion is identified by ___ between the remaining paragraphs.
- CORRECT ANSWER - a bullet ( • )
The Code rules and provisions are enforced by ___. - CORRECT ANSWER - government
bodies exercising legal jurisdiction over electrical installations
Which of the statements below is an example of mandatory language used in the NEC®? -
CORRECT ANSWER - Terminals for more than one conductor and terminals used to connect
aluminum shall be so identified.
Is the conduit between the street lighting poles covered by the NEC®? The street lighting and
conduit were installed in the utility easement as shown in the drawing at the right and is under
the control of the utility company. - CORRECT ANSWER - No
The Code ___. - CORRECT ANSWER - all of the above
The authority having jurisdiction has the responsibility ___. - CORRECT ANSWER - all of
these
Which chapters in the NEC® apply generally unless modified by latter chapters? - CORRECT
ANSWER - Chapters 1 through 4
Informational Notes ( I-Notes ) in the National Electrical Code® are ___. - CORRECT
ANSWER - explanatory information (not mandatory)
,The purpose of the NEC® is the practical safeguarding of ___ from hazards arising from the use
of electricity. - CORRECT ANSWER - both a & b
Which of the following installations ARE covered by the NEC®? - CORRECT ANSWER -
none of the above
On a 4-wire, delta-connected system where the midpoint of one phase winding is grounded, only
the conductor or busbar having the higher phase voltage to ground shall be durably and
permanently marked by an outer finish that is ___ in color. - CORRECT ANSWER - orange
A load center is mounted to the wall. The height of the panel is 24 inches. The width of the panel
is 18 inches. What is the required width of the working space in front of the panel? - CORRECT
ANSWER - 30 inches
The Code applies to the installation of electrical conductors, equipment and raceways in which
of the following? - CORRECT ANSWER - recreational vehicles
Round access openings in a manhole shall not be less than ___ inches in diameter. - CORRECT
ANSWER - 26
Constructed, protected, or treated so as to prevent rain from interfering with the successful
operation of the apparatus under specified test conditions is considered ___. - CORRECT
ANSWER - rainproof
Which enclosure type would be suitable for indoor use which is subject to splashing water? -
CORRECT ANSWER - 4
An insulated grounded conductor 6 AWG or smaller can not be identified by ___. - CORRECT
ANSWER - a conductor with a continuous red outer finish phased with white tape at the
termination points
,Which chapters in the Code apply generally? - CORRECT ANSWER - Chapters 1-4
Any electrical circuit that controls any other circuit through a relay or an equivalent device is a
___. - CORRECT ANSWER - remote control circuit
Examples of raceways would include ___. - CORRECT ANSWER - all of these
When overcurrent devices are selectively coordinated and a fault occurs somewhere on a branch
circuit, what should happen? - CORRECT ANSWER - the branch circuit OCPD that is
nearest the fault should open
When a piece of equipment is connected to the earth, it meets the definition for ___. -
CORRECT ANSWER - grounded
The neutral conductor of a 120-volt circuit is referred to as the ___ conductor in the NEC®. -
CORRECT ANSWER - grounded
Refer to Figure 210.18. The grounded conductor between the two panels carries current during
___. - CORRECT ANSWER - either a or b
A(n) ___ is a device, or group of devices, or other means by which the conductors of a circuit
can be disconnected from their source of supply. - CORRECT ANSWER - disconnecting
means
What is the point on a wiring system called that takes current to supply utilization equipment? -
CORRECT ANSWER - Outlet
The ___ connects the equipment grounding conductors to the grounded (neutral) conductors. -
CORRECT ANSWER - main bonding jumper
In Figure 210.8 the busbars in Panel I are ___ conductors. - CORRECT ANSWER - feeder
, The NEC® considers an installation inside a building to be a ___ location. - CORRECT
ANSWER - dry
The "hot" conductor of a circuit is referred to as the ___ conductor in the NEC®. - CORRECT
ANSWER - ungrounded
A(n) ___ is an assembly of one or more enclosed sections having a common power bus and
principally containing motor control units. - CORRECT ANSWER - motor control center
The ampacity of an insulated conductor is ___. - CORRECT ANSWER - the maximum
amount of current it can carry continuously without damage to the insulation
A unit of an electrical system, other than a conductor, that carries or controls electric energy as
its principal function is referred to as a(n) ___. - CORRECT ANSWER - device
The definition of a branch circuit is ___. - CORRECT ANSWER - the circuit conductors
between the final overcurrent device protecting the circuit and the outlet(s)
Covered, shielded, fenced, enclosed, or otherwise protected by means of suitable covers, casings,
barriers, rails, screens, mats, or platforms to remove the likelihood of approach or contact by
persons or objects to a point of danger is the definition of ___. - CORRECT ANSWER -
guarded
Nominal voltage includes a range of actual circuit voltages that are ___ the nominal voltage. -
CORRECT ANSWER - both a & b
A(n) ___ is a box that contains branch circuit conductors that are connected to a luminaire. -
CORRECT ANSWER - lighting outlet
Questions and CORRECT Answers
Compliance with the provisions of the Code will result in ___. - CORRECT ANSWER -
freedom from hazard
Where one or more complete paragraphs from the previous edition of the NEC® have been
deleted in the current edition, the deletion is identified by ___ between the remaining paragraphs.
- CORRECT ANSWER - a bullet ( • )
The Code rules and provisions are enforced by ___. - CORRECT ANSWER - government
bodies exercising legal jurisdiction over electrical installations
Which of the statements below is an example of mandatory language used in the NEC®? -
CORRECT ANSWER - Terminals for more than one conductor and terminals used to connect
aluminum shall be so identified.
Is the conduit between the street lighting poles covered by the NEC®? The street lighting and
conduit were installed in the utility easement as shown in the drawing at the right and is under
the control of the utility company. - CORRECT ANSWER - No
The Code ___. - CORRECT ANSWER - all of the above
The authority having jurisdiction has the responsibility ___. - CORRECT ANSWER - all of
these
Which chapters in the NEC® apply generally unless modified by latter chapters? - CORRECT
ANSWER - Chapters 1 through 4
Informational Notes ( I-Notes ) in the National Electrical Code® are ___. - CORRECT
ANSWER - explanatory information (not mandatory)
,The purpose of the NEC® is the practical safeguarding of ___ from hazards arising from the use
of electricity. - CORRECT ANSWER - both a & b
Which of the following installations ARE covered by the NEC®? - CORRECT ANSWER -
none of the above
On a 4-wire, delta-connected system where the midpoint of one phase winding is grounded, only
the conductor or busbar having the higher phase voltage to ground shall be durably and
permanently marked by an outer finish that is ___ in color. - CORRECT ANSWER - orange
A load center is mounted to the wall. The height of the panel is 24 inches. The width of the panel
is 18 inches. What is the required width of the working space in front of the panel? - CORRECT
ANSWER - 30 inches
The Code applies to the installation of electrical conductors, equipment and raceways in which
of the following? - CORRECT ANSWER - recreational vehicles
Round access openings in a manhole shall not be less than ___ inches in diameter. - CORRECT
ANSWER - 26
Constructed, protected, or treated so as to prevent rain from interfering with the successful
operation of the apparatus under specified test conditions is considered ___. - CORRECT
ANSWER - rainproof
Which enclosure type would be suitable for indoor use which is subject to splashing water? -
CORRECT ANSWER - 4
An insulated grounded conductor 6 AWG or smaller can not be identified by ___. - CORRECT
ANSWER - a conductor with a continuous red outer finish phased with white tape at the
termination points
,Which chapters in the Code apply generally? - CORRECT ANSWER - Chapters 1-4
Any electrical circuit that controls any other circuit through a relay or an equivalent device is a
___. - CORRECT ANSWER - remote control circuit
Examples of raceways would include ___. - CORRECT ANSWER - all of these
When overcurrent devices are selectively coordinated and a fault occurs somewhere on a branch
circuit, what should happen? - CORRECT ANSWER - the branch circuit OCPD that is
nearest the fault should open
When a piece of equipment is connected to the earth, it meets the definition for ___. -
CORRECT ANSWER - grounded
The neutral conductor of a 120-volt circuit is referred to as the ___ conductor in the NEC®. -
CORRECT ANSWER - grounded
Refer to Figure 210.18. The grounded conductor between the two panels carries current during
___. - CORRECT ANSWER - either a or b
A(n) ___ is a device, or group of devices, or other means by which the conductors of a circuit
can be disconnected from their source of supply. - CORRECT ANSWER - disconnecting
means
What is the point on a wiring system called that takes current to supply utilization equipment? -
CORRECT ANSWER - Outlet
The ___ connects the equipment grounding conductors to the grounded (neutral) conductors. -
CORRECT ANSWER - main bonding jumper
In Figure 210.8 the busbars in Panel I are ___ conductors. - CORRECT ANSWER - feeder
, The NEC® considers an installation inside a building to be a ___ location. - CORRECT
ANSWER - dry
The "hot" conductor of a circuit is referred to as the ___ conductor in the NEC®. - CORRECT
ANSWER - ungrounded
A(n) ___ is an assembly of one or more enclosed sections having a common power bus and
principally containing motor control units. - CORRECT ANSWER - motor control center
The ampacity of an insulated conductor is ___. - CORRECT ANSWER - the maximum
amount of current it can carry continuously without damage to the insulation
A unit of an electrical system, other than a conductor, that carries or controls electric energy as
its principal function is referred to as a(n) ___. - CORRECT ANSWER - device
The definition of a branch circuit is ___. - CORRECT ANSWER - the circuit conductors
between the final overcurrent device protecting the circuit and the outlet(s)
Covered, shielded, fenced, enclosed, or otherwise protected by means of suitable covers, casings,
barriers, rails, screens, mats, or platforms to remove the likelihood of approach or contact by
persons or objects to a point of danger is the definition of ___. - CORRECT ANSWER -
guarded
Nominal voltage includes a range of actual circuit voltages that are ___ the nominal voltage. -
CORRECT ANSWER - both a & b
A(n) ___ is a box that contains branch circuit conductors that are connected to a luminaire. -
CORRECT ANSWER - lighting outlet
