Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 20.2, Problem 6R
To determine
Explain the length of taps permitted to the individual appliances when both wall-mounted oven and a counter-mounted cooking unit are connected to one branch circuit.
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If a recessed luminary without an integral junction boxes installed what extra wiring must be provided
Direction. Answer each problem and show your solutions cleanly and clearly. Draw diagrams._______________________________________________________________________________________________________________________
oleg is using a multimeter to test the circuit branch he's just installed. after turning off the current to the circuit at the service panel, he'll first attach one probe to the ----- in the end of the run. a. black wire b. box c. white wire d. ground wire
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Electrical Wiring Residential
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- Most appliances of the type commonly used in bathrooms such as hair dryers, electric shavers and curling irons have two wire cords. These appliances are ____ insulated or ________ ___________arrow_forward1.1 PV modules can be wired together in an array using ______ connections to increase voltage. a. Terminating b. Series c. Parallel d. AC 1.2 A PV module, also called a solar panel, is comprised of individual photovoltaic _______ wired and mounted together as an integrated unit. a. Capsules b. Compartments c. Chips d. Cells 1.3 A __________ system uses a storage system that stores the generated electricity so it can provide during times when the system’s panels are not receiving solar energy. a. Direct coupled b. Self regulating c. Charge controlled d. Indirectly connected 1. 4 __________ energy may have the potential to supply all of the world's energy needs, but at this time, it provides a very small percentage. a. Coal b. Natural Gas c. Diesel d. Solararrow_forwardQUESTION 9 When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true? a A.This would be approved by code as the gas pipe is only being bonded to the electrical system. b B.This installation would be approved by code, as the gas pipe is not a grounding electrode. c C.Both A and B d D.Neither A nor Barrow_forward
- ___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.arrow_forward6.a. Extreme _______ may cause some nonmetallic conduits to become brittle and therefore moresusceptible to damage from physical contact.A. coldB. corrosionC. voltageD. heat6.b. Snap switches are permitted to be grouped or ganged in an enclosure provided the voltage between theadjacent snap switches does not exceed ___ V.A. 400B. 300C. 200D. 100arrow_forwardAnswer each problem and show your solutions cleanly and clearly. Draw diagrams.__________________________________________________________________________________________________________arrow_forward
- I NEED AN ANSWER CORRECTLY.arrow_forwarda. 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_forwardnat wattage was used for each vanity luminaire to calculate the estimated Joad Circuit A14? on 4. What is the current draw for the answer given in problem 3? 5. Exposed non-current-carrying metallic parts of electrical equipment must be grounded ft m) vertically or ft (_ if installed within (- metal work or grounded surfaces. m) horizontally of bathtubs, plumbing fixtures, pipes, or other grounded 6. What color are the faceplates in the bathrooms? Refer to the specifications. 7. Most appliances of the type commonly used in bathrooms, such as hair dryers, electric shavers, and curling irons, have 2-wire cords. These appliances are insulated or protected. 8. a. The NEC in Section requires that all receptacles in bathrooms be protected. b. The NEC in Section requires that al receptacles in bathrooms be con- nected to one or more separate 20-ampere branch circuits that serve no other outlets. c. The NEC in Section branch circuit for bathroom receptacles to supply more than one bathroom.…arrow_forward
- Question 17 The electrode and circuit must provide a flow path to the earth with less than of resistance. 5 10 25 30 Question 18 A(n) is a permanent conductor placed across a water meter to provide a continuous flow path for ground current. shunt bare conductor electrode bonding conductorarrow_forwardAnswer the following: A) Type of clipper circuit per level of clipping. 1. ___________ 2. ___________ 3. ___________ B) Type of clipper circuit per non-linear devices used. 1. ___________ 2. ___________ C) Other term for clipper circuit. 1. ___________ 2. ___________ 3. ___________arrow_forwardf.1. Since the footing or foundation is generally part of the grounding electrode system, the _______electrode is one of the first electrodes installed.A. metal water pipeB. plateC. concrete-encasedD. ground ringf.2. When you're connecting the grounding electrode conductor to a metal water pipe as it enters a building,the connection must be made within _______ feet of the pipe's entrance to the building.A. 10B. 5C. 15D. 7f.3. Which National Electrical Code table is used for sizing grounding electrode conductors?A. Table 250.102(C)(1)B. Table 250.66C. Table 250.122D. Table 250.118(6)(a)arrow_forward
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