EBK ELECTRICAL WIRING RESIDENTIAL
EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
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Chapter 21.2, Problem 1R

a.

To determine

Mention the name of the branch circuit that is connected to the dishwasher.

a.

Expert Solution
Check Mark

Answer to Problem 1R

The dishwasher is connected to circuitB5.

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 circuitB5.

b.

To determine

Mention the size of the wire utilized to connect the dishwasher.

b.

Expert Solution
Check Mark

Answer to Problem 1R

The size of the wire utilized to connect the food waste disposer is 12AWG.

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 12AWG.

c.

To determine

Explain whether the branch circuit of dishwasher is required to be provided with AFCI protection or not.

c.

Expert Solution
Check Mark

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.

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EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT