EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 22.2, Problem 12R
To determine
Name the section of the code that prohibits particular grounding material to a grounded circuit conductor.
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Equipment Grounding
10. Which of the following statements about ground faults is true?A. They usually occur between any grounded circuit conductor and the equipment grounding conductor. B. They're often normal and typically intentional.C. They can't result from human error.D. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.
A(n) _________ is a reliable conductor used to ensure the required electrical conductivity between metal parts required to be electrically connected. a) Equipment bonding jumper b) Bonding conductor of jumper c) Main bonding jumper d) Equipment grounding conductor
___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.
Chapter 22 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 22.1 - Prob. 1RCh. 22.1 - Prob. 2RCh. 22.1 - Prob. 3RCh. 22.1 - Prob. 4RCh. 22.1 - Prob. 5RCh. 22.1 - Prob. 6RCh. 22.1 - Prob. 7RCh. 22.1 - Prob. 8RCh. 22.1 - Prob. 9RCh. 22.1 - Prob. 10R
Ch. 22.1 - Prob. 11RCh. 22.1 - Prob. 12RCh. 22.2 - Prob. 1RCh. 22.2 - Prob. 2RCh. 22.2 - Prob. 3RCh. 22.2 - Prob. 4RCh. 22.2 - Prob. 5RCh. 22.2 - Prob. 6RCh. 22.2 - Prob. 7RCh. 22.2 - Prob. 8RCh. 22.2 - Prob. 9RCh. 22.2 - Prob. 10RCh. 22.2 - Prob. 11RCh. 22.2 - Prob. 12RCh. 22.3 - Prob. 1RCh. 22.3 - Which of the following statements Meets Code?...Ch. 22.3 - Prob. 3RCh. 22.3 - Prob. 4RCh. 22.3 - Prob. 5RCh. 22.3 - Prob. 6RCh. 22.3 - Prob. 7RCh. 22.3 - Prob. 8R
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- Conductors other than service conductors must not be installed in the same____. A. Service raceway B. Service cable C. Enclosure D. A or Barrow_forwardTo testing installation of grounds, the usual procedure is to connect one lead of the megohmmeter to one of the conductors, then the other lead is___. A, connected to another conductor b, connected to the conduit or raceway c. Connected to a special grounding electrode on the megohmmeter d. Left unconnectedarrow_forward11. Specific rules apply for the installation of _______, but no identification requirements for them exists.A. grounding electrode conductorsB. grounding electrodes.C. main bonding jumpers.D. equipment grounding conductors.arrow_forward
- 12. Which of the following statements about ground faults is true?A. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.B. They usually occur between any grounded circuit conductor and the equipment grounding conductor.C. They can't result from human error.D. They're often normal and typically intentional.arrow_forward9. How is equipment containing ungrounded electrical systems required to be marked? A. With green wiresB. With a sign reading "Caution: Ungrounded System Operating at _______ Volts Between Conductors" C. With a red X D. With a sign reading "Danger: Do Not Touch Ungrounded System, Operating at _______ Volts"arrow_forwardWhen connecting a multiwire (3-wire) circuit to a single phase panel, one ungrounded conductor must be connected to the ____ phase and the other ungrounded conductor must be connected to the ____ phase. Select one: a. A, A b. B, B c. A, B d. doesn’t matterarrow_forward
- ____ current occurs when the system neutral is grounded improperly downstream from the service equipment. Select one: A. PHASED B. OBJECTIONABLE C. POSITIVE D. NEGATIVEarrow_forwarda.2. Which of the following statements about grounding electrode conductors is true?A. They restrict the ground connection.B. They eliminate potential differences between conductive objects and the Earth electrode.C. They facilitate operation of overcurrent protective devices.D. They perform bonding between the Earth and grounded conductors.a.3. Main bonding jumpers are required to be made of _______ or other corrosion-resistant material.A. brassB. aluminumC. copperD. copper-clad aluminumarrow_forwardEquipment Grounding 13. A metal elbow is a part of a nonmetallic, underground raceway. The elbow won't need to be grounded as long as it's encased in at least _______ inches of concrete. A. 4 B. 5 C. 2 D. 6 13 A. Which of the following can be in the form of a wire and is required to be installed with feeders and branch circuits? A. Phased neutral conductorB. Equipment grounding conductor C. Grounded neutral conductorD. Grounding electrode conductorarrow_forward
- 7.A. Ferrous metal raceways or enclosures are made with _______ content.A. steel or brassB. aluminum or ironC. brass or aluminumD. iron or steel7.B. The size of a grounding electrode conductor for a service or separately derived system is generally basedon the size of the largestA. ungrounded supply conductor.B. equipment grounding conductor.C. grounded electrode.D. bonding jumper.7.C. Which of the following statements about bonding is true?A. The joint or termination must offer opposition in the circuit for effective electrical connections.B. Effective bonding keeps impedance high if a fault should occur.C. The entire electrical safety circuit is only as good as its strongest bonded link.D. Bonding connections must endure high levels of fault current until overcurrent protective devices can operate.arrow_forwardRaceways shall not be used as a means of support for Class 2 conductors except under the provisions of _____. A. NEC 300.16(A)B. NEC 300.13(A)C. NEC 300.11(C)(2)D. NEC 300.15(B)arrow_forwardThe coloring on individual conducting wires usually does not indicate a size or rating but rather the standard or preferred use of the wire. For example, black and red wires typically are used for currentcarrying or "hot" connections, and ___ wires usually are grounded "neutral" conductors. Green-insulated wires and bare copper wires are used for grounding wires.arrow_forward
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