2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in a parking lot. This auxiliary grounding electrode will be connected to the A. 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.

2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in a parking lot. This auxiliary grounding electrode will be connected to the A. 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.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter27: Service-entrance Equipment

Section: Chapter Questions

Problem 7R: a. What size and type of conductors are installed for the service in this text? _____________ b....

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Similar questions

Calculate the voltage drop of a 120/240 volts, three wire underground residential service installed with 2 AWG aluminum URD cable if the load is 80 amps and the one way length of the underground service conductor is 100 feet.
a. What size and type of conductors are installed for the service in this text? _____________ b. What size conduit is installed? _____________ c. What size grounding electrode conductor is installed? (not neutral) _____________ d. Is the grounding electrode conductor insulated, armored, or bare? _____________
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.
May the 20-ampere small-appliance branch circuits in the kitchen of a residence also supply the lighting above the kitchen sink and under-cabinet lighting? Check the correct answer. Yes______ No ______
How many lighting branch circuits are provided in this dwelling? __________ a. What is the minimum load allowance for small-appliance circuits for dwellings? See NEC 220.52(A). __________ b. An individual 15-ampere branch circuit is run to the receptacle outlet behind the refrigerator instead of connecting it to one of the two 20-ampere small-appliance branch circuits that are required in kitchens. For this separate circuit, an additional 1500 volt-amperes (shall) (does not have to) be added to the load calculations for dwellings. (Circle the correct answer.)
Refer 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?
a. What circuit supplies the workshop lighting? ________________ b. What circuit supplies the plug-in strip over the workbench? ________________ c. What circuit supplies the freezer receptacle? ________________
The minimum number of outdoor receptacles for a residence is __________, NEC __________. State the location. __________
10.a. Which of the following is a condition of the exception that allows the grounded conductor of feeders tobe used for grounding at separate buildings or structures?A. There are common electrically continuous metallic paths between the feeder source and the destination at the structure served.B. There are common electrically continuous nonmetallic paths between the equipment grounding conductor and the destinationat the structure served.C. An equipment grounding conductor isn't included with the supply circuit to the separate structure.D. Ground-fault protection of equipment is provided on the supply side of the feeder.10.b. A service disconnection means must be installed adjacent to, within sight of, and no more than_______ feet from a mobile home.A. 20B. 30C. 10D. 50
Calculate the voltage drop of a 120/240-volt, three-wire underground residential service installed with 2 AWG aluminum URD cable if the load is 80 amps and the one-way length of the underground service conductors is100 feet.
Which of the following statements about equipment grounding conductors (EGCs) is true?A. The National Electrical Code permits the EGC to also perform as a grounding electrode conductor.B. More than one EGC must be used if multiple circuits are installed in a single raceway, cable, or cable tray.C. No current should be present in the EGC during normal operation.D. EGCs are required to be decreased in size to address voltage drop.
4 Describe the various methods of laying underground cables. What are the relative advantages anddisadvantages of each method?