NEC Journeyman Test Practice Questions
and Correct Answers/ Latest Update /
Already Graded
Devices __ for bonding the metallic frames of PV modules shall be
permitted to bond the exposed metallic frames of PV modules to the
metallic frames of adjacent PV modules.
Ans: 690.43(B) All of these: Listed, Labled, Identified,
Where exposed and subject to physical damage, PV array equipment
grounding conductors smaller than 4 AWG shall be protected by a
raceway or cable armor.
Ans: 250.120 (C) FALSE
Buildings/structures containing both utility service and a PV system
shall have a ________installed in accordance with 705.10.
Ans: 690.56 (B) Plaque, OR Directory
A(n) __ surge protection device shall be installed in or on the fire pump
controller.
Ans: 695.15 Listed
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Emergency system equipment shall be maintained in accordance with
______.
Ans: Manufacturer's instructions AND Industry standards
Where used for emergency systems, the short-circuit current rating of
the transfer equipment, based on the specific overcurrent protective
device type and settings protecting the transfer equipment, shall be
field marked on the ______of the transfer equipment.
Ans: 700.5 (E) exterior
Emergency circuits shall be permanently marked so they will be readily
identified as a component of an emergency circuit or system and __
____.
Ans: 700.10 (A)(1)(2) All boxes and enclosures (Including
transfer switches, generators and power panel) or emergency
circuits shall be permanently marked as a component of an
emergency circuit or system AND where boxes or enclosures are
not encountered exposed cable or raceway systems shall be
permanently marked to be identified as a component of an
emergency circuit or system and intervals not to exceed 25 FT
Emergency circuits shall be permanently marked so they will be readily
identified as a component of an emergency circuit or system and
receptacles supplied from the emergency system shall have a(n)
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_______ color or marking on the receptacle cover plates or the
receptacles.
Ans: 700.10(A) Distinctive
If wiring from an emergency source is used to supply emergency and
other loads, then ________ switchgear sections or switchboard
sections, with or without a common bus, or individual disconnects
mounted in separate enclosures shall be used to separate emergency
loads from all other loads.
Ans: 700.10(B)(5)(A) Separate Vertical
Wiring from an emergency source to supply emergency and other
(nonemergency) loads shall be permitted if the common bus of
separate sections of the switchgear, separate sections of the
switchboard, or the individual enclosures are supplied by single or
multiple feeders ______.
Ans: 700.10(B)(5) I AND II Without overcurrent protection at
the source AND With overcurrent protection, provided that the
overcurrent that is common to the emergency system and any
non-emergency system(s) is selectively coordinated with the
next downstream overcurrent protection device in the non -
emergency system(s)
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Batteries for unit equipment for emergency systems shall be of
suitable rating and capacity to supply and maintain the total lamp load
associated with the unit for a period of at least _____ hour(s) without
the voltage falling below 87½ percent of normal battery voltage.
Ans: 700.12(C) 1 1/2
Batteries for unit equipment for emergency systems shall be of
suitable rating and capacity to supply and maintain the total lamp load
associated with the unit and the unit equipment shall supply and
maintain not less than __ percent of the initial emergency illumination
for a period of at least 1½ hours.
Ans: 700.12(I)(2)(1)(B)
A written record shall be kept of required tests and maintenance on
legally required standby systems.
Ans: 701.3(D) True
The branch-circuit overcurrent devices for legally required standby
systems shall be accessible only to ______.
Ans: 701.30 Authorized Persons
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