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1. |
Section 250.94 and Chapters 7 and 8 now require a Intersystem Bonding Termination (IBT). Article 100 defines IBT as a device that provides a means for connecting communications system(s) grounding conductor(s) and bonding conductor(s) at the service equipment or the disconnecting means for buildings or structures supplied by a feeder or branch circuit.
Question: A device now required at services for connecting communications grounding conductors is called a ______________________ .
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a)
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Intersystem Bonding Termination
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b)
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Ground bar
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c)
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Terminal strip
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d)
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Communications bus bar
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2. |
A kitchen does not have to be a room. Article 100 defines a kitchen as an AREA with a sink and permanent facilities for food preparation and cooking.
Question: An area where food is prepared that has a sink and a permanent range for cooking is called a _________ .
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a)
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Bakery
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b)
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Pantry
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c)
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Kitchen
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d)
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Dining room
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3. |
Article 100 defines Neutral Conductor as the conductor connected to the neutral point of a system that is intended to carry current under normal conditions.
Question:
The conductor connected to the neutral point that is intended to carry current under normal conditions is called the ________________ .
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a)
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Grounded Conductor
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b)
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Neutral Conductor
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c)
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Grounding Conductor
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d)
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Grounding Electrode Conductor
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4. |
Article 100 defines the Neutral Point as the common point on a wye-connection in a polyphase system, or midpoint on a single-phase, 3-wire system, or mid-point of a single-phase portion of a 3-phase delta system, or a midpoint of a 3-wire direct current system.
Question:
The common point of a wye-connected polyphase 480/277 volt transformer is called the ______________ .
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a)
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Neutral Point
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b)
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Common
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c)
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X0
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d)
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Ground Point
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5. |
A qualified person must receive training to recognize and avoid the hazards involved. Article 100 defines a Qualified Person as one who has skills and knowledge related to the construction and operation of electrical equipment and installations and has received safety training to recognize and avoid the hazards involved. The Fine Print Note remains that states see NFPA 70E for electrical safety training requirements.
Question: A qualified person must receive safety ___________ to recognize and avoid the hazards involved.
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a)
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Procedures in writing
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b)
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Training
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c)
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Instructions
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6. |
New definition of Short-Circuit Rating. The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected without sustaining damage exceeding defined acceptance criteria.
Question: If a panelboard is connected to a service that has a short-circuit current rating of 55,000 amperes the Short-Circuit Current Rating of the panelboard shall exceed _______________________ .
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a)
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5,000 amperes
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b)
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10,000 amperes
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c)
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55,000 amperes
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d)
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All of the above
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7. |
Definitions of surge arrester and surge protective devices have been moved to Article 100 from Articles 280 and 285. The term transient voltage surge suppressor that was in Article 285 has been changed to Surge Protective Device (SPD). There are four types of surge protective devices.
Question: A surge protective device that is intended to be connected between the secondary of a service transformer and the line side of the service disconnect is a Type _____ . (see diagram)
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a)
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1
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b)
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2
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c)
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3
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d)
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4
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8. |
New definition of Ungrounded. Ungrounded. Not connected to ground or to a conductive body that extends the ground connection. An ungrounded system is one that is not connected to ground directly, solidly, or through an impedance device or resistor as found in high impedance grounded systems as covered in Section 250.36.
Question: An ungrounded system is not solidly connected to ___________ .
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a)
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Earth
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b)
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Ground
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c)
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Building Steel Columns
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d)
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Grounding Electrode Conductor
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e)
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All of the above
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9. |
Revision: 110.11. Deteriorating Agents. Unless identified for use in
the operating environment, no conductors or equipment shall be located in damp or wet locations; where exposed to gases, fumes, vapors, liquids, or other agents that have a deteriorating effect on the conductors or equipment; or where exposed to excessive temperatures. The last sentence has been expanded to read: Equipment not identified for outdoor use and equipment identified only for indoor use such as "dry locations," "indoor only," "damp locations," or enclosure Types 1, 2, 5, 12, 12K and/or 13 shall be protected against permanent damage from the weather during building construction.
Question: Enclosures of Type 12 that are oil tight shall be ___________ against permanent damage from weather during building construction.
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a)
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Removed
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b)
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Protected
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c)
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Hidden
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10. |
110.11 new Fine Print Note. FPN No. 3 has been added to refer to the new Table 110.20. It states: See Table 110.20 for appropriate enclosure-type designations.
Question: Table _________ designates enclosure types.
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a)
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110.20
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b)
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110.30
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c)
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110.40
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