Nec Chapter 1

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1.      When the word conductor is used in the NEC and the type of conductor material is not specified, the NEC requirement is for ________________.

Explanation

section: 110.5

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About This Quiz
Nec Chapter 1 - Quiz

This NEC Chapter 1 quiz assesses knowledge on key aspects of electrical installations, including conductor materials, workspace requirements, equipment labeling, and system identification. It ensures adherence to NEC... see morestandards, enhancing safety and compliance in electrical engineering. see less

2. Switchboards, panelboards, industrial control panels, meter socket enclosures and motor control center that are in the other than dwelling occupancies and are likely to require examination, adjustment, servicing, or maintenance while energized shall be ____ to warn qualified persons of potential electric arc flash hazards

Explanation

110.15

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3.      The minimum headroom working space about a switchboard in a commercial installation is _________ feet.

Explanation

section: 110.26 (E)

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4. Electrical equipment shall be installed in a ____ and workmanlike manner

Explanation

110.12

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5. On all four wire delta connected systems where the midpoint of one is grounded, the high leg shall be identified with the color___?

Explanation

110.15

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6.     All listed or labeled equipment shall be installed and used in accordance with any __________ included in the listing or labeling.

Explanation

section: 110.3(B)

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7. Conductors and equipment required or permitted by this code shall be acceptable only if

Explanation

110.2

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8. Round access openings in manholes shall not be less than ____ inches in diameter.

Explanation

110.75(A)

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9. Where indoor electrical installations of electrical equipment rated at over 600V nominal are accessible to unqualified persons, the installation must be made with ___ equipment

Explanation

110.31(B)(1)

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10. The with of the working space in front of the electric equipment shall be the width of the equipment or ___ inches, whichever is greater

Explanation

110.26 (A)(2)

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11. ____ plugs driven into holes in masonry, concrete, plaster, or similar materials shall not be used to secure electrical equipment

Explanation

110.13 (A)

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12. Equipment intended to interrupt current at fault levels shall have a (n) ______ sufficient for the nominal circuit voltage and the current that is available at the line terminals of the equipment

Explanation

110.9

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13. Unused cable or raceway openings in boxes, auxiliary gutters, cabinets, cutout boxes, meter socket enclosures, equipment cases, or housing shall be  effectively ____ to afford protection substantially equivalent to the wall of the equipment.

Explanation

110.12 (A)

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14. Unused current transformers associated with potentially energized circuits shall be __?

Explanation

110.23

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15. Electrical connections in the form of wire connectors (nuts) or splicing installed on conductors for direct burial shall be ___ for such use

Explanation

110.14(B)

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     When the word conductor is used in the NEC...
Switchboards, panelboards, industrial control panels, meter socket...
     The minimum headroom working space about a...
Electrical equipment shall be installed in a ____ and workmanlike...
On all four wire delta connected systems where the midpoint of one is...
    All listed or labeled equipment shall be installed...
Conductors and equipment required or permitted by this code shall be...
Round access openings in manholes shall not be less than ____ inches...
Where indoor electrical installations of electrical equipment rated at...
The with of the working space in front of the electric equipment shall...
____ plugs driven into holes in masonry, concrete, plaster, or similar...
Equipment intended to interrupt current at fault levels shall have a...
Unused cable or raceway openings in boxes, auxiliary gutters,...
Unused current transformers associated with potentially energized...
Electrical connections in the form of wire connectors (nuts) or...
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