Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 21.2, Problem 1R
a.
To determine
Mention the name of the branch circuit that is connected to the dishwasher.
a.
Expert Solution
Answer to Problem 1R
The dishwasher is connected to
Explanation of Solution
Discussion:
A dishwasher is a machine used for automatic cleaning of dishware and cutlery. It consists of a motor, an electric heating element, and a small fan that is used to circulate hot air during the drying cycle.
A 120 volts, 20 ampere rated dishwasher is connected to B5 branch circuit that originates in Panelboard B.
Conclusion:
Thus, the dishwasher is connected to
b.
To determine
Mention the size of the wire utilized to connect the dishwasher.
b.
Expert Solution
Answer to Problem 1R
The size of the wire utilized to connect the food waste disposer is
Explanation of Solution
Discussion:
A THHN type 12 AWG-sized copper conductors are used to connect the dishwasher to the branch circuit. Any one of the wiring methods among nonmetallic-sheathed cable, EMT, or Type MC cable will be used depending upon the requirement.
Conclusion:
Thus, the size of the wire utilized to connect the dishwasher is
c.
To determine
Explain whether the branch circuit of dishwasher is required to be provided with AFCI protection or not.
c.
Expert Solution
Answer to Problem 1R
Yes, the branch circuit of dishwasher is required to be provided with AFCI protection.
Explanation of Solution
Discussion:
As defined in NEC 210.8(D), AFCI protection is required to be provide for the branch circuit of dishwasher.
Conclusion:
Yes, the branch circuit of dishwasher is required to be provide with AFCI protection.
Want to see more full solutions like this?
Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
Students have asked these similar questions
what wire size is needed on a one 20 amp, 120-volt laundry branch circuit?
what wire size is needed on a one 20 amp, 120-volt garbage disposal circuit?
When used as service equipment, a panelboard (load center) must be ______________________ that is suitable for use as service equipment, 230.66. If the panelboard (load center) contains the main service disconnect, it must be clearly marked ____________________________________, 230.70(B).
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.
Chapter 21 Solutions
Electrical Wiring Residential
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
- a. The Code requires a minimum of two small-appliance circuits in a kitchen. Is it permitted to connect a receptacle in a dining room to one of the kitchen small-appliance circuits? _______________ What Code section applies to this situation? _______________ b. Are outdoor weatherproof receptacles permitted to be connected to a 20-ampere small-appliance circuit? _______________ c. Receptacles located above the countertops in the kitchen must be supplied by at least _______________ 20-ampere small-appliance circuits.arrow_forwardRefer to the specifications in the back of this text following Chapter 33. a. What electrical codes must be conformed to? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ b. What is the wiring method to be used in the workshop? ________________________________________________________________________ c. What size conductors are to be used for the lighting branch circuits? ______________________ AWG the small-appliance branch circuits? ______________________ AWG d. What section of the specifications tells us the size of the service entrance to be installed for this residence?arrow_forwardHow many circuit wires enter the entry ceiling box? How many equipment grounding conductors enter the entry ceiling box?arrow_forward
- a. The service head must be located (above) (below) the point where the service-drop conductors are spliced to the service-entrance conductors. (Circle the correct answer.) b. What Code section provides the answer to part (a)? ___________________arrow_forwardThe recessed fluorescent luminaires installed in the ceiling of the recreation room of this residence are connected with trade size flexible metal conduit. These flexible connections are commonly referred to as fixture whips. Does the flexible metal conduit provide adequate grounding for the luminaires, or must a separate equipment grounding conductor be installed? ________________arrow_forwardA 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_forward
- What unique type of electrical protection is required for all 120-volt, single-phase, 15-and 20-ampere branch circuits in certain habitable rooms and areas in new dwellings? Where in the NEC is this requirement found? ____________________arrow_forwardA mobile home served with 120/240 volt 3 wire service that has a calculated load greater than 50 ampere is required to be supplied power using a permanent wire method from the adjacent power supply pole to the mobile home. The power supply feeder is required to consist of?arrow_forwardShow the connections for a ceiling outlet that is to be controlled from any one of three switch locations. The 120-volt feed is at the light. Use colored pens or pencils. Assume the installation is in cable.arrow_forward
- Which of the following installations for a kitchen waste disposal that operates on a 15-ampere, 120-volt branch circuit requires AFCI protection? (Circle the correct answer.) a. The disposal operates by a switch that is installed above the kitchen counter. b. The disposal operates by a switch that is installed under the counter next to the disposal. c. Both (a) and (b) d. Neither (a) nor (b).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_forward
arrow_back_ios
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