Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 9, Problem 14R
If the cable is laid in notches in the corner studs, what protection for the cable must be provided? ______________________________________________________________
_______________________________________________________________________
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Assume a bank of heating strips is rated at 22 KW and is connected to 240 volts. The heat strips operate for 4 hours at a time and are located in an area with an ambient temperature of 86 degrees F. The termination temperature rating of the heat disconnect lugs are unknown. Copper conductors with type THWN-2 insulation are to be used because of the environment of the installation to connect the heaters. What size conductors should be used?
QUESTION 1
Where Type NM cables pass through cut or drilled slots or holes in metal members, the cable shall be protected by _____ which are installed in the opening prior to the installation of the cable and which securely cover all metal edges.
a.
plates
b.
listed grommets
c.
listed bushings
d.
a or b
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
Chapter 9 Solutions
Electrical Wiring Residential
Ch. 9 - What circuit supplies the Master Bedroom?Ch. 9 - What unique type of electrical protection is...Ch. 9 - Prob. 4RCh. 9 - Prob. 5RCh. 9 - Prob. 6RCh. 9 - What is the estimated load in volt-amperes for the...Ch. 9 - Prob. 8RCh. 9 - How many conductors enter the ceiling fan/light...Ch. 9 - What type and size of box may be used for the...Ch. 9 - Prob. 11R
Ch. 9 - a. Does the circuit for the Master Bedroom have a...Ch. 9 - Approximately how many feet (meters) of 2-wire...Ch. 9 - If the cable is laid in notches in the corner...Ch. 9 - Prob. 15RCh. 9 - Prob. 16RCh. 9 - Prob. 17RCh. 9 - Prob. 18RCh. 9 - Prob. 19RCh. 9 - Show your calculations of how to select a proper...Ch. 9 - Prob. 21RCh. 9 - The following is a layout of the lighting circuit...Ch. 9 - Prob. 23RCh. 9 - Prob. 24RCh. 9 - May a standard electronic dimmer be used to...Ch. 9 - Prob. 26R
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- 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?arrow_forwardShow the connections for a ceiling outlet that is to be controlled from any one of three switch locations. The 120-volt feed is at the light. Use colored pens or pencils. Assume the installation is in cable.arrow_forwardWhen the ground is removed from the sheath at one end to reduce heating in a cable, what hazard exists at the ungrounded end of the cable?arrow_forward
- If (4) 3/0 THHN/THWN wires are run in a conduit and the conduit is run inside a building, what is the largest size overcurrent protection device (fuse or breaker) allowed to protect the circuit ?arrow_forwardAssume a bank of heating strips is rated at 20 K W and is connected to 240 volts. The heat strips operate for 4 hours ata time and are located in an area with an ambient temperature of 96 degrees F. The termination temperature rating of theheat disconnect lugs is unknown. Three (3) Copper conductors installed in a conduit with type THWN-2 insulation are tobe used to connect the heaters. What size conductors should be used?arrow_forward10.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. 50arrow_forward
- Table 314.16(A) of the Code shows the maximum number of conductors permitted in a given size box. In addition to counting the number of conductors that will be in the box, what is the additional volume that must be provided for one or more internal cable clamps?arrow_forwardWhere Type MI cable terminates, a seal shall be provided immediately after stripping to prevent the entrance of _____ into the insulation Select one: A. MOISTURE B. NONE OF THE ABOVE C. INSECTS D. ELECTRONSarrow_forward5.a. Typically, the bonding conductor installed between the panelboard equipment grounding terminal barsmust be continuous. It's only allowed to be broken where it connects to theA. signal reference grid.B. terminal bar in the panelboard.C. branch circuit.D. service entrance enclosure.5.b. An electrical system that's not grounded and is between 120 and 1000 volts must include the use ofA. arc suppression.B. ground isolators.C. ground detectors.D. equipotential barriers.arrow_forward
- Flexible metal conduit (FMC) shall be securely fastened in place by an approved means within ____ of each box, cabinet, conduit body, or other conduit termination and shall be supported and secured at intervals not to exceed ____. Select one: a. 6 in., 2 ft, b. 6 in., 3 ft, c. 8 in., 4 1/2 ft, d. 12 in., 4 1/2 ft,arrow_forwardThe white wire of a cable may be used to connect to a "hot" ungrounded circuit conductor only if ?arrow_forwardThe recessed fluorescent luminaires installed in the ceiling of the recreation room of this residence are connected with trade size flexible metal conduit. These flexible connections are commonly referred to as fixture whips. Does the flexible metal conduit provide adequate grounding for the luminaires, or must a separate equipment grounding conductor be installed? ________________arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
Delmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Cengage Learning
Types of House Wiring - Types of Electrical Wiring - Electrical Wiring; Author: Learning Engineering;https://www.youtube.com/watch?v=A5P-buWX-dA;License: Standard Youtube License