EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 30, Problem 8R
To determine
Explain whether the conductors are allowed to run overhead the swimming pool.
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Where insulated conductors are deflected within a wireway, either at the ends or where conduits, fittings, or other raceways or cables enter or leave the wireway, or where the direction of the wireway is deflected greater than ____, dimensions corresponding to one wire per terminal in Table 312.6(A) shall apply.
QUESTION 25
Type TC cable shall not be _____.
a.
installed where it will be exposed to physical damage
b.
all of these
c.
installed outside of a race-way or cable tray system, unless permitted in 336.10(4), 336.10(7), 336.10(9), and 336.10(10)
d.
used where exposed to direct rays of the sun, unless identified as sunlight resistant
6. Which of the following is a condition that a liquidtight flexible metal conduit must meet in order to be suitable as an equipment grounding conductor?
A. The conduit is terminated in listed fittings.B. For trade sizes 3/4 through 1 1/4, the conduit conductors contained in the conduit are protected by overcurrent devices rated
at 20 amperes or less.C. The combined length of the conduit and other tubing and conduit in the same ground-fault path exceeds six feet.
D. For trade sides 3/8 through 1/2, the circuit conductors contained in the conduit are protected by overcurrent devices rated not more than 60 amperes.
7. You're going to connect a surge protection device to a separately derived electrical system. In this situation, the surge protection device should be connected at
A. the load side of the first overcurrent protection device. B. the input to the transformer's primary winding.C. the end of the shortest branch circuit.D. the first connected IT cabinet.
8. What is another term…
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EBK ELECTRICAL WIRING RESIDENTIAL
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- What section of the Code prohibits supporting fire alarm conductors from raceways that contain light or power conductors? NEC ______.arrow_forwardRefer 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?arrow_forwardwhat section of the code prohibits supporting telephone wires from raceways that contain light or power conductors.arrow_forward
- Complete the wiring diagram for the Recreation Room. Follow the suggested cable layout. Use colored pencils or pens to identify the various colors of the conductor insulation.arrow_forwarda. Must the metal frame of an electric clothes dryer be grounded? ___________ b. Is it permitted to ground the metal frame of an electric clothes dryer to the neutral conductor? ___________arrow_forwardIf Class 2 conductors are insulated for 150 volts, and the power conductors are insulated for 600 volts, does the code permit pulling these conductors through the same raceway? (Yes) (No) (Circle the correct answer.) Give the NEC Section number. _________arrow_forward
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EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
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Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT