EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 32, Problem 10R
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All answers should be written in complete sentences. Calculations should be shown in detail, and Codereferences should be cited when appropriate. Unless otherwise stated, all conductors are copper type THHN, and the supply is AC.
1. What is the minimum conductor size, overload protection, and inverse-time circuitbreaker rating for a circuit supplying a 230-volt, 3-phase, code A, 40°C, 75-horsepower synchronous motor operating at an 80% power factor with a nameplate full-load current of 185 amperes?
wiring diagram for a single pole switch controlling the top half of a duplex receptacle that when energized, is indicated by a pilot light at the single pole switch location plus an isolated ground duplex receptacle that is always hot
Which of the following is a term missing from the National Electrical Code but used by manufacturers of equipment that's suitable for use as service equipment?
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The _______ is required to be connected to the grounded conductor of the sensitive electronic system on the line side of the separately derived system disconnecting means.
main bonding jumper
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Chapter 32 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 32 - Prob. 1RCh. 32 - Where would the logical location be for running a...Ch. 32 - Prob. 3RCh. 32 - Prob. 4RCh. 32 - Prob. 5RCh. 32 - Is it permitted to ground the neutral conductor of...Ch. 32 - Briefly explain the function of a transfer switch....Ch. 32 - When a transfer switch transfers to standby power,...Ch. 32 - A typical transfer switch for residential...Ch. 32 - Prob. 10R
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- A residential air-conditioning unit is installed in the attic. a. Is a lighting outlet required? __________ b. What Code section applies? __________ c. If a lighting outlet is required, how shall it be controlled? __________ d. What Code section applies? __________ e. Is a receptacle outlet required? __________ f. What Code section applies? __________arrow_forwardWhat section of the Code prohibits supporting fire alarm conductors from raceways that contain light or power conductors? NEC ______.arrow_forwardA Type NM cable carries a branch circuit to the outside of a building, where it terminates in a metal weatherproof junction box. From this box, a short length of EMT is installed upward to another metal weatherproof junction box on which is attached a cluster of outdoor floodlights. The first box is located approximately 24 in. (600 mm) above the ground. To Meet Code, do the metal boxes and metal raceway have to be grounded? Yes _______________ No _______________ NEC _______________.arrow_forward
- Please provide Handwritten answer Question: NEC Reference Answer __________ __________ _____ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.Question: NEC Reference Answer __________ __________ _____ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.arrow_forwardYour Answers may be presented through Discussions, Drawings/Figures/Diagrams, Reference to NEC/PEC and Computations 9. What is the minimum conductor size, overload protection, and inverse-time circuitbreaker rating for a circuit supplying a 230-volt, 3-phase, code A, 40°C, 75-horsepower synchronous motor operating at an 80% power factor with a nameplate full-load current of 185 amperes?arrow_forwardList the methods by which an equipment grounding conductor is connected to a device box.arrow_forward
- In the conduit layout shown in picture attached, determine how many wires are contained in each conduit between each piece of equipment. Identify each wire with a proper terminal marking, as shown in the example, above the disconnect switch.arrow_forwardThe wording that I am running into with questions such as "The number of conductors required to be installed between three-way and four-way switches is " is confusing. The text is not expalining this in a way that I am understanding anything other than grounding conductor, which is optional unless I am using a metal box. So what type of "conductor" is beng discussed?arrow_forwardTerminals of switches and receptacles marked CO/ALR are suitable for use with _______________, _______________, and _______________ conductors.arrow_forward
- The frames of ranges, wall-mounted ovens, counter-mounted cooking units, and clothes dryers under the conditions permitted for existing installations, ___ permitted to be connected to the grounded circuit conductor. Select one: a. shall not be b. can not c. may be d. shall bearrow_forward4.a. The installation of motor controllers and combination load equipment is not permitted if the short-circuitcurrent rating of the equipment isA. equal to the available short-circuit current at the site of installation.B. not found on either of the nameplates.C. more than the available short-circuit current at the site of installation.D. less than the available short-circuit current at the site of installation. 4.b. In a(n) ___ bend, the conductor does not enter or leave an enclosure through the wall opposite itsterminals.a. Vb. Sc. Larrow_forward. What is “accessible” as applied to wiring methods? What is “accessible” as applied to equipment? What does “ampacity” mean? What does “dead front” mean?arrow_forward
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