Electrical Wiring: Residental - With Plans (Paperback) Package
18th Edition
ISBN: 9781305416376
Author: MULLIN
Publisher: Cengage
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 31, Problem 4R
To determine
Choose the correct option among the given choices to find “category-rated” cables that are most recommended to be used in wiring back to the main “service-center” from various outlets in the interconnection of computers.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
[Fill-in-the-blank] in dwelling units shall supply only loads within that dwelling unit or no loads associated only with that dwelling unit.
Select one:
a. None of these
b. Ground-fault protection
c. Service-entrance conductors
d. Branch circuits
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.
4. What can installation records be used to determine while servicing equipment?A. Broken connectors in a cable linkB. Problems due to aging during operationC. Broken fiberD. Decreased bending radius during operation
Chapter 31 Solutions
Electrical Wiring: Residental - With Plans (Paperback) Package
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 14. How many separate equipment grounding paths are required for branch circuits serving patient care spaces? A. One B. Two C. Four D. Threearrow_forwardc.1. Which of the following is one of the three essential functions of an equipment grounding conductor?A. Provide an arc-fault current pathB. Establish groundingC. Establish bondingD. Ensure the system is groundedc.2. What's another name for the three-point method of Earth resistance testing?A. Fall-of-potentialB. Line surgeC. Spatial shieldingD. Leakage current c.3. If the National Electrical Code provides a requirement to ground equipment, it generally implies thatthere will be a direct connection to the Earth of a connection through a/anA. grounding electrode conductor.B. equipment grounding conductor.C. equipotential bonding conductor.D. bonding conductor.arrow_forward15. What does a grounding symbol on a construction drawing convey?A. A single ground rodB. A grounding electrode systemC. A ground-fault current pathD. An equipment grounding conductorarrow_forward
- 19. What size copper bonding jumper must be used in an AC electrical system that has 500 kcmil copper phase conductors? A. 4/0 B. 1/0 C. 2/0 D. 3/0 20. A neutral disconnect link is usually in the form of a _______ in larger service equipment. A. screwB. wireC. clamp D. busbararrow_forward4.a. An intersystem bonding termination will typically be used as a ground junction for a/anA. patient care area.B. communications system installation.C. fire protection system.D. information technology room.4.b. The supply systems for sensitive electronic equipment are _______ systems.A. four-wire, three-phaseB. three-wire, single-phaseC. three-wire, three-phaseD. four-wire, single-phasearrow_forwardWhat is grading of cables explain. Subject Power Transmission and Distriution.arrow_forward
- 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.arrow_forwardHow the required number of branch circuits can be determined?arrow_forwardFour No. 12 and four No. 10 conductors are to be installed in a EMT conduit 600 V jacketed. What size EMT conduit is required if a. The conductors are Type T90 Nylon? b. The conductors are Type RW90?arrow_forward
- 8.a. A _______ conductor does not carry current during normal operation.A. neutralB. groundingC. phaseD. grounded8.b. "The complete path of an electric current" describes an electric(al)A. fault.B. circuit.C. source.D. component.arrow_forward11. Which of the following statements about the use of structural steel as an equipment grounding conductor (EGC) in an AC system is correct? A. Structural steel can be used as an EGC when it's bonded at both ends.B. Structural steel isn't allowed for use as an EGC.C. Structural steel must have an EGC bonding jumper every three feet of structure. D. Structural steel can be used as an EGC bonding jumper between panelboards. 12. Which of the following statements about equipment grounding conductors is true? A. They increase voltages above ground potential on conductors and equipment enclosures during normal operation. B. Unacceptable equipment grounding conductors include conduit, tubing, and cable armor. C. They must be capable of withstanding the higher level of ground-fault current to perform their safety function. D. When they're far from their associated circuit conductors, impedance values are kept as low as possible during ground-fault conditions. 13. Imagine that…arrow_forward9. Which grounding method is typically required of higher-voltage systems? A. Grounding through inductorsB. Grounding through a low amount of resistanceC. Grounding through a high-impedance device D. Grounding through surge arresters 10. Which term relates to the conductors connected to the output side of a separately derived system? A. Neutral conductorB. Transformer secondary conductorC. System conductor D. Derived phased conductor 11. If there's no service disconnect at a remotely supplied building, then the grounding electrode conductor and the equipment grounding conductor can be bonded together at a A. junction box.B. structural steel location. C. grounding electrode rod. D. water line. 12. In a DC system, the bonding jumper between the negative of the supply and ground is normally made at the source or at the A. first disconnecting means. B. first device on the supply. C. end of the DC line.D. entrance to the building. 13. Which of the following is a common raceway…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT
Types of Protective Relays and Design Requirements, Part 1a.; Author: GeneralPAC: Power System Tutorials;https://www.youtube.com/watch?v=JYil4T5VSDM;License: Standard Youtube License