Wisconsin Contactor Training 18 hour 2022 || A+ Graded Already.
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Which of the following is NOT a new Article introduced in the 2017 NEC? correct answers Article 692
How many public inputs to suggest changes were received during the revision process for the 2017 NEC? correct answers 4012
Which of the following chapters has general applications for the organ...
Wisconsin Contactor Training 18 hour 2022 || A+ Graded
Already.
Which of the following is NOT a new Article introduced in the 2017 NEC? correct answers
Article 692
How many public inputs to suggest changes were received during the revision process for the
2017 NEC? correct answers 4012
Which of the following chapters has general applications for the organization of the NEC?
correct answers Chapter 1-4
According to the NEC Manual of Style, a definition must be moved to Article 100 if the
definition is being applied to the following number of Articles: correct answers More than one
Which of the following topics is NOT covered in the new 2017 NEC Article 706 on Energy
Storage Systems? correct answers DC microgrids
The PV systems regulated under the new 2017 NEC Article 691 are capable of generating at
least the following minimum number of kilowatts: correct answers 5,000 kW
Chapter 1 is composed of only two Articles. What are the titles of these two Articles? correct
answers Definitions and requirements for electrical installation
True or False: The definition of "Readily Accessible" was revised in the 2017 NEC so that either
tools or a key can be required and still meet the definition of readily accessible correct answers
False; the revised version allowed the use of a key but not a need to use tools in order to be
defined as readily accessible
Under Article 110, Part II 1,000 Volts, Nominal, or Less 110.26(A) [Working Space] the 2017
NEC now requires the width of working space be no less than the width of the equipment
enclosure or the following measurement, whichever is greater: correct answers 30 inches
What is the required wording for mandatory signage pursuant to Subsection 110.26(B) - Clear
Spaces? correct answers there is no signage requirement
What is the title of Article 200 in the 2017 NEC? correct answers Use and identification of
grounded conductors
The new sentence added to Subsection 210.5(C)(1)(b) of the 2017 NEC [Identification for
Branch Circuits; Posting of Identification Means] requires the following: correct answers The
label shall be of sufficient durability to withstand the environment involved and shall not be
handwritten
, According to the discussion of Subsection 210.12(C) in this lesson [Arc-Fault Circuit-Interrupter
Protection; Guest Rooms and Guest Suites], what is a recent improvement to the AFCI that
allows for its wider applications without having excessive "phantom" trips? correct answers new
models of the AFCI sense arc "profiles" and only trip if the arc fits a dangerous profile
Subsection 210.71(B)(2) of the 2017 NEC [Meeting Rooms; Receptacle Outlets Required; Floor
Receptacle Outlets] now requires that a meeting room 12 feet wide or wider and at least 215 sq.
ft. must have at least one floor receptacle outlet per 215 sq. ft., set at the following minimum
distance from any fixed wall correct answers At least 6 feet from any fixed wall
According to the new item #5 in Subsection 230.24(B) [Vertical Clearance for Overhead Service
Conductors] what is the required clearance above train tracks for overhead service conductors?
correct answers 7.5 m (24½ ft) over tracks of railroads
Article 250 of the 2017 NEC covers "Grounding and Bonding". How is the purpose of this
Article described in the video introducing Articles 240 and 250? correct answers Article 250
(Grounding and Bonding) covers how to avoid excessive voltage in one part of the installation
that creates the potential for damaging flows of current for which the system is not designed
Section 240.67 [Cartridge Fuses and Fuseholders; Arc Energy Reduction] sets a new maximum
fuse clearing time for larger ampere fuses [unless other conditions are met]. The new provision
takes effect on the following date: correct answers January 1, 2020
The 2017 NEC amends Subsection 250.52(B) [Not Permitted for Use as Grounding Electrodes]
to add the following, so that it may no longer be used as a grounding electrode: correct answers
Structure and structural reinforcing steel of in-ground swimming pool conductive shells or
perimeter surfaces
The discussion in this lesson on changes to 250.94(A)&(B) [Intersystem Bonding Terminations]
describes an IBT functioning: "When one system is raised above ground potential, the second
system rises to the same potential, and no voltage exists between the two grounding systems."
What is this primary purpose of an IBT (as described) intended to prevent? correct answers
Shock and fire hazards
Article 250 Part X [Grounding of Systems and Circuits of over 1000 Volts] of the 2017 NEC,
Section 250.187 [Impedance Grounded Neutral Systems], requires neutral conductor to be
insulated for the maximum neutral voltage. This Section adds an "Informational Note" clarifying
that the maximum neutral voltage in a three-phase wye system may be calculated as follows:
correct answers The maximum neutral voltage in a three-phase wye system is 57.7 percent of the
phase-to-phase voltage
Chapter 3 is arranged (as is the entire NEC) to begin with the most general or central provisions
then move towards the more specialized or most peripheral. This can be seen in the following
arrangement of Chapter 3 Articles covering these topics in the following order: correct answers
1) General - 2) Conductors - 3) Enclosures - 4) Outlets - 5) Cables - 6) Conduit - 7) Raceways
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