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NEC 2017 Code Changes in Definition


Quiz Questions

1.The use of a key is not considered taking an action such as the use of a "tool" to gain ready access. Crawling under something is
not considered readily accessible.
considered readily accessible.
2. A building is a structure that stands alone or that is separated from adjoining structures by fire walls.
True
False
3.A Coaxial Cable is:
A cylindrical assembly composed of a conductor centered inside a metallic tube or shield, separated by a dielectric material, and usually covered by an insulating jacket.
A series of cables with parallel axial direction.
4. FEB is:
An organization or part of an organization that performs field evaluations of electrical or other equipment. [NFPA 790, 2012]
Frequency Emitted Board.
5. Receptacle is a contact device installed at the outlet for the connection of an attachment plug, or for the direct connection of listed and labeled electrical utilization equipment designed to mate with the corresponding contact device. A single receptacle is a single contact device with no other contact device on the same yoke. A multiple receptacle is two or more contact devices on the same yoke.
True
False
6. During Installation, where a tightening torque is indicated as a numeric value on equipment or in installation instructions provided by the manufacturer,
A calibrated torque tool shall be used to achieve the indicated torque value, unless the equipment manufacturer has provided installation instructions for an alternative method of achieving the required torque.
That is Mechanical work and not part of NFPA requirements.
7.Non-dwelling unit service equipment rated 1200 amperes or more is:
required to be labeled with the normal system voltage, available fault current, clearing times, and date the label was applied
Service equipment should operate below the 1200 amperes at all times.
8. Reconditioned equipment shall be marked with the name, trademark, or other descriptive marking by which the organization responsible for reconditioning the electrical equipment can be identified, along with the date of the reconditioning. Reconditioned equipment shall be identified as "reconditioned" and approval of the reconditioned equipment shall not be based solely on the equipment’s original listing,
True
False
9. (4) Limited Access. Where equipment operating at 1000 volts, nominal, or less to ground and likely to require examination, adjustment, servicing, or maintenance while energized is required by installation instructions or function to be located in a space with limited access,

(a) Where equipment is installed above a lay-in ceiling, there shall be an opening not smaller than 559 mm × 559 mm (22 in. × 22 in.), or in a crawl space, there shall be an accessible opening not smaller than 559 mm × 762 mm (22 in. × 30 in.).

(b) The width of the working space shall be the width of the equipment enclosure or a minimum of 762 mm (30 in.), whichever is greater.

(c) All enclosure doors or hinged panels shall be capable of opening a minimum of 90 degrees.

(d) The space in front of the enclosure shall comply with the depth requirements of Table 110.26(A)(1). The maximum height of the working space shall be the height necessary to install the equipment in the limited space. A horizontal ceiling structural member or access panel shall be permitted in this space

a & b
a & c
All of the above
10.New requirements were added for the performance and reporting of pre-energization testing of electrical equipment rated over 1000 volts upon request by the AHJ. These requirements are:
(A) Pre-energization and Operating Tests. Where required elsewhere in this Code, the complete electrical system design, including settings for protective, switching, and control circuits, shall be prepared in advance and made available on request to the authority having jurisdiction and shall be tested when first installed on-site.
(B) Test Report. A test report covering the results of the tests required in 110.41(A) shall be available to the authority having jurisdiction prior to energization and made available to those authorized to install, operate, test, and maintain the system.
(A) & (B)