Code 6
The required ground-fault circuit-interrupter of a mobile electric sign shall be an integral part of the attachment plug or shall be located in the power supply cord within ? of the attachment plug.
12" 600.10(C)(2)
The branch-circuit conductors in a traveling elevator cable supplying the elevator cab lighting shall not be smaller than ? copper, unless parallel conductors are used.
14 AWG 620.12(A)(1)
No underwater luminaires shall be installed in a permanently-installed swimming pool that operates on supply circuits over ? between conductors.
150 V 680.23(A)(4)
What is the minimum size fixture wire permitted for the control and operating circuits of industrial X-ray equipment where protected by a 15-ampere overcurrent device?
18 AWG 660.9
The combined voltage drop of feeder and branch-circuit conductors supplying sensitive electronic equipment shall not exceed ? .
2.5% 647.4(D)
In general, the main-line contact conductors carried along the runway for an overhead rolling crane shall be supported on insulators at intervals not exceeding ? .
20' 610.21(C)
A fire pump is considered "Special Equipment." Which Chapter 6 article would apply to the installation of a fire pump?
Article 695
All electrified truck parking space supply equipment shall be accessible by an unobstructed entrance or passageway not less than 30 inches wide.
False 626.22(C)
Flexible power cords and cable shall be permitted for the connection of a modular data center to an external source of power.
False 646.9(B)
If an irrigation machine has a stationary point, a grounding electrode system in accordance with Article 250, Part III, shall be permitted to be connected to the machine at the stationary point for lightning protection.
False 675.15
The requirements of Article 682 apply to which of the following installations?
I. Fish farm pond III. Storm retention basin V. Treatment pond I., III., and V. 682.1
Which of the following wiring methods are permitted for use as branch-circuit supply conductors installed under a raised floor in an information technology room?
I. Rigid metal conduit III. Flexible metal conduit VI. Type MC cable I., III., and VI. 645.5(E)(1)
Which of the following is a special requirement for large-scale PV electric supply stations?
Large-scale PV electric supply stations shall be accessible only to authorized personnel. 691.4
Manufactured wiring system types shall not be permitted where limited by the applicable article in Chapter 3 for the wiring method used in its construction.
True 604.12
A festoon cable is a single- or multiple-conductor cable intended for use and installation where flexibility is required.
True 610.2
An elevator control system is defined as "the overall system governing the starting, stopping, direction of motion, acceleration, speed, and retardation of the moving member."
True 620.2
A disconnecting means shall be provided in the supply circuit for each arc welder that is not equipped with a disconnect mounted as an integral part of the welder.
True 630.13
Overcurrent protection of electrolytic cell DC process power circuits shall not be required to comply with the requirements of Article 240.
True 668.3(C)(2)
A solar photovoltaic system shall be permitted to supply power to a building or structure in addition to any other electrical supply system(s).
True 690.4(A)
Where a Chapter 6 article applies for special equipment, Chapters 1 through 4 still apply to the special equipment.
True 90.3
The surge protective device (SPD) installed between a wind electric system and any loads served by the premises electrical system shall be permitted to be a ? SPD on the circuit serving a wind electric system or a ? SPD located anywhere on the load side of the service disconnect.
Type 3 / Type 2 694.7(D)
A fuel cell system shall be approved for the application in accordance with which of the following?
a. Be listed for the application b. Be evaluated for the application and have a field label applied Either a. or b. 692.6
Which of the following is true with respect to the installation of conductors for control of the keyboards and of the pipe organ sounding apparatus?
a. Cables shall be securely fastened in place and shall be permitted to be attached directly to the organ structure without insulating supports. b. Control equipment and busbars connecting common-return conductors shall be permitted to be attached directly to the organ structure without insulating supports. c. Abandoned cables that are not terminated at equipment shall be identified with a tag of sufficient durability to withstand the environment involved. d. Splices shall not be required to be enclosed in boxes or other enclosures. e. All of the above. All of the above. 650.7
Direct-current conductors used in the electroplating process shall be protected by which of the following?
a. Fuses b. Circuit breakers c. A current-sensing device that operates a disconnecting means d. Other approved means Any of the above 669.9
Location of overcurrent devices that are critical to integrated electrical systems shall be permitted to be ? with mounting heights permitted to ensure security from operation by unqualified personnel.
accessible 685.10
Heating of a nominally insulating material due to its own dielectric losses when the material is placed in a varying electric field is known as ? .
dielectric heating 665.2
Each outlet installed for the purpose of charging electric vehicles shall be supplied by a(n) ? .
individual branch circuit 625.40
A power-driven machine (or group of machines working together in a coordinated manner) not portable by hand while working that is used to process material by cutting; forming; pressure; electrical, thermal, or optical techniques; lamination; or a combination of these processes is the definition of ? .
industrial machinery 670.2
A sign or outline lighting system, shipped as subassemblies, that requires field-installed wiring between the subassemblies to complete the overall sign is defined as a ? .
section sign 600.2
