EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 30, Problem 16R
To determine
Mention the height at which the luminaire lens mounted with the wall-mounted luminaires is installed below the normal water level.
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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
what section of the code prohibits supporting telephone wires from raceways that contain light or power conductors.
When calculating a dwelling lighting load on the "volt-ampere per ft" basis, the receptacle load used for floor lamps, table lamps, and so forth are
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EBK ELECTRICAL WIRING RESIDENTIAL
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- The 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_forwardThe junction box that will be installed above the dropped ceiling near the fluorescent luminaires closest to the stairway will have ____________ (number of) 14 AWG conductors.arrow_forwardPlans require the installation of surface-mounted fluorescent luminaires on the ceiling of a recreation room that is finished with low-density ceiling fiberboard. What sort of mark would you look for on the label of the luminaire? ________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________arrow_forward
- How many circuit wires enter the entry ceiling box? How many equipment grounding conductors enter the entry ceiling box?arrow_forwardCircle the correct answer defining the type of location:arrow_forward16. The _______ point is where the facilities of the serving utility and the premises wiring connect.A. groundedB. neutralC. serviceD. bondingarrow_forward
- 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_forwardA ______ is a raceway containing the service entrance conductors that is run through the roof of a building to a height sufficient to obtain the necessary clearances for the service-drop conductors. a. service lateralb. mast-type service entrancec. service pointarrow_forwardList the minimum service drop clearances required by the NEC in the following residential situations. A driveway _____feet? A lawn ____feet? A roof with a slope of 5/12 ____feet? A garage roof with a slope of 3/12 _____feet?arrow_forward
- 19. Which of the following is an approved disconnecting means for a feeder or branch circuit supplying a separate building or structure? A. Bonding locknutB. PanelboardC. Circuit breakerD. Overcurrent devicearrow_forward5. If a separate, wire-type equipment grounding conductor (EGC) is used for any reason, the EGC of a grounding-type receptacle must be connected to which of the following?A. The grounding terminal bar outside the service equipment enclosure in a grounded systemB. An EGC that's part of another branch circuit that originates from where the branch circuit for the receptacle originatesC. Any accessible point on the grounding electrode conductorD. The service conductor outside the service equipment enclosure in an ungrounded systemarrow_forwardIn the conduit layout shown in picture attached, determine how many wires are contained in each conduit between each piece of equipment. Identify each wire with a proper terminal marking, as shown in the example, above the disconnect switch.arrow_forward
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EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
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