Electrical Wiring: Residental - With Plans (Paperback) Package
18th Edition
ISBN: 9781305416376
Author: MULLIN
Publisher: Cengage
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Question
Chapter 9, Problem 8R
To determine
Which of the following to be installed first, the switch and outlet boxes or the cable runs?
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The National Electrical Code® requires that all switching be done in the __________ circuit conductor.
Select one:
A. GROUNDED
B. SWITCH LOOP
C. GROUNDING
D. UNGROUNDED
of p
o How many conductors enter the ceiling fan/light wall box?
Switch ond out let boxes
s tirst
10. What type and size of box may be used for the ceiling fan/light wall box?.
11. What type of covers are used with 4 in. square outlet boxes?
12. a. Does the circuit for the Master Bedroom have a grounded circuit conductor?
b. Does it have an equipment grounding conductor?
c. Explain the difference between a "grounded" conductor and an "equipment
grounding" conductor.
13. Approximately how many feet (meters) of 2-wire cable and 3-wire cable are needed to
ft
complete the circuit supplying the Master Bedroom? Two-wire cable:
ft (-
m).
m). Three-wire cable:
14. If the cable is laid in notches in the corner studs, what protection for the cable must be
provided?
15. How high are the receptacles mounted above the finished floor in this bedroom?
16. Approximately how far from the bedroom door is the first receptacle mounted? (See
the plans.)
17. What is the distance from the finished floor to…
5. An automatic switch or cutout is allowed in the equipment grounding conductor circuit when
A. there's a redundant equipment grounding conductor in the circuit.
B. the power sources are disconnected when operated.
C. it's bonded around the disconnecting device.
D. it also opens the neutral.
Chapter 9 Solutions
Electrical Wiring: Residental - With Plans (Paperback) Package
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
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- Equipment Grounding 10. Which of the following statements about ground faults is true?A. They usually occur between any grounded circuit conductor and the equipment grounding conductor. B. They're often normal and typically intentional.C. They can't result from human error.D. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.arrow_forward12. A short circuit describes the condition where there's contact between theA. hot wire and the neutral wire.B. grounded conductor and the grounding wire.C. hot wire and the grounding wire.D. neutral wire and the grounded conductor. I'm not sure if it's the letter A or C, could you help me with the correct answer.arrow_forwardQUESTION 3 We are running 3 wires and a ground in a RMC to a control panel with a 60 amp circuit breaker disconnect in the control panel. The conduit is run along the ceiling where the ambient air temperature is 100 degrees. The control panel feeds our secondary cooling pump. What size are the ungrounded conductors? All conductors have typeTHHN insulation.arrow_forward
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- 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_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_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
- 45. A switch or circuit breaker can be used as both the controller and disconnecting means if it a. opens all ungrounded conductors as required by NEC 430.103 b. is protected by an overcurrent device in each ungrounded conductor c. is manually operable, or both power and manually operable d. All of these answersarrow_forwardIn an inverted configuration, the current wire is ___________ to the power supply and the voltage wire is connected to the process meter for voltage output.arrow_forward1.1 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_forward
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