EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 22.2, Problem 8R
To determine
Write the difference between a thermostat and a humidistat.
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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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- What size overcurrent device protects the air-conditioning unit?arrow_forwardWhy is it permissible to omit an electric space heater, water heater, and certain other 240-volt equipment when calculating the neutral service-entrance conductor for a residence? ____arrow_forwardWhat device is required when the total connected load exceeds the maximum rating of a thermostat? ____________________________________________________________arrow_forward
- a. What is the minimum power demand allowed by the Code for an electric dryer if no actual rating is available for the purpose of calculating feeder and service-entrance conductor sizing? ______________ b. What is the current draw? _____________________arrow_forwardDoes the Code permit attaching the low-voltage thermostat cable to the EMT that brings power to a furnace? (Yes) (No) (Circle the correct answer.) Give the NEC section numbers. ____________arrow_forwardwhat wire size is needed on a one 20 amp, 120-volt bathroom circuit? what wire size is needed on a one 40 amp, 120/240-volt electric range branch circuit?arrow_forward
- The following is a layout of the lighting circuit for the Laundry, Powder Room, Rear Entry Hall, and Attic. Complete the wiring diagram using colored pens or pencils to indicate conductor insulation color. The GFCI receptacle in the Powder Room is not shown in the diagram because it is connected to a separate circuit, B21.arrow_forwardA certain type of control connects electric heating units to a 120-volt supply or a 240-volt supply, depending on the amount of the temperature drop in a room. These controls are supplied from a 120/240-volt, 3-wire, single-phase source. Assuming that this type of device controls a 240-volt, 2000-watt heating unit, what is the wattage produced when the control supplies 120 volts to the heating unit? Show all calculations. ______________________________________________________________________ ______________________________________________________________________arrow_forwardWhat concerns are there when installing a low-voltage lighting system? ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________arrow_forward
- Assuming that an outlet box for the entry ceiling has a fixture stud but has external cable clamps, what size box could be installed? Show calculations for both metal and nonmetallic boxes. ___________arrow_forwardFor a single, nonmotor-operated electrical appliance rated greater than 13.3 amperes that has no marking that would indicate the size of branch-circuit overcurrent device, what percentage of the nameplate rating is used to determine the maximum size branch-circuit overcurrent device? _________________arrow_forwardHow is a wi-fi thermostat would assist a physically impaired person.arrow_forward
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