Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 21.1, Problem 10R
To determine
State whether the receptacle must be GFCI protected or not when it installed under the kitchen sink for plugging in the food waste disposer.
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QUESTION 5
A duplex receptacle is installed on a 4-inch square raised metal cover and mounted on a 4-inch square metal box.If the grounding terminal of the receptacle is connected to the grounded metal box, which of the following requirements would also apply to the installation of the duplex receptacle?
a
It must be secured by at least two screws.
b
The single 6/32 screw holding it in the cover must be tight.
c
It must be secured directly to the 4 inch square box.
d
It is not permitted to be installed in raised covers.
A device used in kitchen serving hotels dining rooms club houses and restaurants is__________.
a.) Grease basin b.) Yard basin c.) Garage basin d.) Oil catch basin
An electrician installs five 3 AWG THWN copper current-carrying conductors in a raceway located in a garage. The garage area is subject to an ambient temperature of 100°F. All terminations are rated at 75°C.Ampacity: __________ Maximum Fuse or Circuit Breaker Size: __________.(NO CHAT GPT, ONLY NEAT HAND WRITTEN SOLUTION PLEASE.)
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- 1.1 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_forward5. The general receptacle spacing requirements for all dwelling units are located in Section of the NEC. T F 6. The floor receptacle outlets shown in the middle of the workroom are always counted as part of the required number of receptacle outlets as described in Section 210.52(A)(1). 7. The ceiling-mounted decorative light fixture in the covered stoop area weighs 90 lb. Special mounting provisions that apply to this installation are located in Section of the NEC. 8. All exterior luminaires that are exposed to weather shall be markedarrow_forward1)The NEC Style Manual indicates that if a term in the NEC appears in more than two articles, it qualifies for a definition in which of the following. a) The articles where the term appears b) Article 90 c) Article 100 d) Table of Contents 2)Definitions of terms related to grounding and bonding and used only in Article 250 are located in ________.a) Article 100 b) Article 200 c) Chapter 9 d) Section 250.2 3)As a general rule, when installing ground rod electrodes, two must be installed always unless a single ground rod provides not more than 25 ohms’ resistance to ground. a) True b) Falsearrow_forward
- 2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.arrow_forwardIdentification All answers must be in accordance to NEC of the Philippines 1. What is the minimum gauge size for aluminum overhead service drop conductor. 2. Minimum distance between the roofing structure and an overhead conductor 3. How high from the roadway should a service entrance conductor be to safely allow traffic flow 4. A load where maximum current is expected to continue for three hours or more. 5.Comprises the entire circuit including the outlet receptacles and other wiring devices.arrow_forwardA means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. a tapped hole the cover screw III. a screw used to mount the box (a.) I only (c.) I & II only (b.) II only (d.) I, II or IIIarrow_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_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_forward4.a. The ___ calculated load is rarely placed on an electrical system.A. optionalB. standardC. total 4.b. What's the primary disadvantage of using copper conductors?A. CostB. AvailabilityC. Weight 4.c. You're evaluating the components of a multioccupancy building that won't have an on-site employee. Tobe compliant with the NEC, each occupant will need to have access to their ownA. service-disconnecting means.B. service conductor.C. cable attachment point.D. emergency fire water-pump disconnect.arrow_forward
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