Concept explainers
a.
Mention the name of the branch circuit that is connected to the dishwasher.
a.
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.
Mention the size of the wire utilized to connect the dishwasher.
b.
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.
Explain whether the branch circuit of dishwasher is required to be provided with AFCI protection or not.
c.
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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Chapter 21 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
- 1- Write the mesh equation for the circuit below. Solve the equations using Crame method (matrix and determinant), and find the current of resistor 4 ohm. 6 A www 10 Ω w 6Ω www 12 V + 402 www 12 Ω 2- Write the nodal equations for the circuit below. You do not need to solve the equation just write the matrix equation. R3 ww 8Ω R₁ 201 5 A 12 3A R₂40arrow_forwardPlease solve these 3 questions in detailarrow_forward1. Please draw the root locus by hand for the following closed-loop system, where G(s) s+8 S-2 and H(s) = Find the range of K for stability Input R(s) Output C(s) KG(s) H(s) s+6 = S-2arrow_forward
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- Please solve this problem in detail to understandarrow_forwardQ3: (40 Marks) Single phase full bridge voltage source inverter has an RLC load with R-1002, L-31.5mH and C=112µF. The inverter frequency is 60Hz and de input voltage is 220V. (a) Express the instantaneous load current in Fourier series to third harmonic. (b) Calculate the RMS load current at the fundamental frequency (n=1). (c) Calculate the load power due to fundamental component (n=1).arrow_forward12.3 Express each of the waveforms in Fig. P12.3 (on page 667) in terms of step functions and then determine its Laplace transform. [Recall that the ramp function is related to the step function by r(t − T) = (t − T) u(t − T).] Assume that all waveforms are zero for t<0. - - -arrow_forward
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EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT