Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 19.1, Problem 16R
What is the maximum ampere setting permitted for running overload protection of the 1-horsepower, 240-volt pump motor? ____________________
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What is the minimum conductor ampacity overload protection and dual element fuse rating for a circuit supplying a 560 volt , 3 phase, code J, 40 degree Celsius, 125 HP motor with a nameplate full load current of 125 amperes?
What is the minimum conductor ampacity, overload protection, and dual-element fuse rating for a circuit supplying a 560-volt, 3-phase, code J, 40°C, 125-horsepower motor with a nameplate full-load current of 115 amperes?
Chapter 19 Solutions
Electrical Wiring Residential
Ch. 19.1 - Does a jet pump have any electrical moving parts...Ch. 19.1 - Prob. 2RCh. 19.1 - Where is the jet of the pump located?...Ch. 19.1 - Prob. 4RCh. 19.1 - Prob. 5RCh. 19.1 - Prob. 6RCh. 19.1 - Prob. 7RCh. 19.1 - What is compressed in the water storage tank?...Ch. 19.1 - Explain the difference between a 2-wire...Ch. 19.1 - Prob. 10R
Ch. 19.1 - Why is a 240-volt motor preferable to a 120-volt...Ch. 19.1 - How many amperes does a 1-horsepower, 240-volt,...Ch. 19.1 - What size are the conductors used for this branch...Ch. 19.1 - Prob. 14RCh. 19.1 - What provides the running overload protection for...Ch. 19.1 - What is the maximum ampere setting permitted for...Ch. 19.1 - Prob. 17RCh. 19.1 - Because the controller contains the motor starting...Ch. 19.1 - Prob. 19RCh. 19.1 - Proper pressure of the submersible pump system is...Ch. 19.1 - Fill in the data for a 16-ampere electric motor,...Ch. 19.1 - The NEC is very specific in its requirement that...Ch. 19.1 - Does the NEC allow submersible pump cable to be...Ch. 19.1 - Must the disconnect switch for a submersible pump...Ch. 19.1 - A metal well casing (shall) (shall not) be bonded...Ch. 19.2 - Prob. 1RCh. 19.2 - A major hazard involved with water heaters is that...Ch. 19.2 - Prob. 3RCh. 19.2 - The heating elements in electric water heaters are...Ch. 19.2 - An 80-gallon electric water heater is energized...Ch. 19.2 - Prob. 6RCh. 19.2 - For residential water heaters, the Consumer...Ch. 19.2 - An 80-gallon electric water heater has 60F...Ch. 19.2 - Approximately how long would it take to produce...Ch. 19.2 - Two thermostats are generally used in an electric...Ch. 19.2 - a. How many heating elements are provided in the...Ch. 19.2 - When does the lower heating element operate?...Ch. 19.2 - Prob. 14RCh. 19.2 - Prob. 15RCh. 19.2 - Prob. 16RCh. 19.2 - a. If both elements of the water heater in this...Ch. 19.2 - a. How much power in watts would the two elements...Ch. 19.2 - A condominium owner complains of not getting...Ch. 19.2 - For a single, nonmotor-operated electrical...Ch. 19.2 - A 7000-watt resistance-type heating appliance is...Ch. 19.2 - Prob. 22R
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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 ampacity, overload protection, and dual-element fuserating for a circuit supplying a 560-volt, 3-phase, code J, 40°C, 125-horsepower motorwith a nameplate full-load current of 115 amperes?arrow_forwardWhat type of motor starter enclosure (include NEMA number and class) is recommended for an installation requiring safe electrical operation around an outside, inflammable paintfilling pump?arrow_forwardAll 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 rated full-load current of a ¾-horsepower, 208-volt single-phase motor?arrow_forward
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