Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 5, Problem 5R
To determine
Mention different types of lighting switches.
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schedules are typically provided to detail the circuits and overcurrent protection required for
listribution equipment.
Branch-circuit
- Outlet
C.
d.
ore distribution points for electrical in ....
Switch
Panelboard
25.
_____ signals can have an infinite number of values in a range.
a.
Analog
b.
Digital
c.
(a) or (b)
d.
None of the above
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 answers
Chapter 5 Solutions
Electrical Wiring Residential
Ch. 5 - The identified grounded circuit conductor must be...Ch. 5 - Explain how lighting switches are rated.Ch. 5 - Prob. 4RCh. 5 - Prob. 5RCh. 5 - To control a lighting load from one control point,...Ch. 5 - Prob. 7RCh. 5 - Complete the connections in the following...Ch. 5 - Complete the connections for the diagram....Ch. 5 - A three-way switch may be compared to a _____...Ch. 5 - Prob. 11R
Ch. 5 - Complete the connections in the following...Ch. 5 - When connecting 4-way switches, care must be taken...Ch. 5 - Show the connections for a ceiling outlet that is...Ch. 5 - Match the following switch types with the correct...Ch. 5 - When connecting single-pole, 3-way, and 4-way...Ch. 5 - What section of the Code emphasizes the fact that...Ch. 5 - If you had to install an underground 3-wire feeder...Ch. 5 - Is it always necessary to attach the bare...Ch. 5 - List the methods by which an equipment grounding...Ch. 5 - When two nonmetallic-sheathed cables (Type NM-B)...Ch. 5 - Define an equipment grounding conductor.Ch. 5 - When metal toggle switchplates are used with...Ch. 5 - Does the Code permit the ampacity of switch legs...Ch. 5 - Prob. 26RCh. 5 - Prob. 27R
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- 3.Justify: Converter grade SCR can be used for AC voltage controllers note::::::::: only short answer (three to four sentence)arrow_forwardPlease help with the following questions, thank you. Calculate the following : 1) At what voltage is the switching point? 2) The hysteresis spread ?arrow_forward8.a. The general lighting load is based on a _______ per square foot basis.A. volt-ampereB. general illuminationC. number of circuitsD. kilowatt8.b. A _______ fuse is a fuse that may detect and remove a short circuit almost instantly but allows smalloverloads to exist for a short period of time.A. current-limitingB. cartridgeC. time delayD. nontime delayarrow_forward
- 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.arrow_forwardThe ________parameters may not reflect the actual operating conditions but simply provide an indication of the level of each parameter to expect for general use. a.hybrid-pi b.hybrid c.pi d.rearrow_forwardA switch type that raises or lowers the lamp brightness of a lighting fixture is a __________ switch. Select one: A. COMBINATION B. PILOT LIGHT C. DIMMER D. TWO-WAYarrow_forward
- Those employees who physically lock or tag out equipment for servicing or maintenance: Are always the people who normally operate the equip- ment. Are affected employees. Are authorized employees. Do not need training. a. b. C. d. Lockout locks: Can be used to lock tool boxes, storage sheds, etc. Can be used only for lockout purposes. a. b. C. Are provided by the equipment manufacturer. d. Must be bright orange in color. Authorized employees must be trained: To recognize hazardous energy sources, and to know the type and magnitude of the hazardous energy sources. b. a. To perform the lockout/tagout procedure. When an audit shows deficiencies with the procedure. C. d. All of the above. When authorized employees perform a shutriown, they must: Notify all affected employees that they are starting a lockout procedure. b. a. Locate all energy sources that power the equipment. C. Follow the procedures to shut down each machine. All of the above. d. If several people are needed to work on a…arrow_forwardRaceway fill calculations are a prerequisite in ____ needed for particular circuits. Select one: A. MATERIAL REQUIREMENTS B. SCHEMATIC REQUIREMENTS C. DETERMINING THE SIZE OF RACEWAY D. CIRCUIT LOADSarrow_forwardThe circuit breaker cubicles illustrated in your reading material each contain____circuit breakers. A. Two B. Three C. Four D. Sixarrow_forward
- Activity #3 Manual Transfer Switch Circuit Breaker type Introduction: Illustration/set up/ circuit diagram: How MTS work? The procedure of operating the Manual Transfer Switch (MTS)arrow_forwardThe protective devices, such as ground wires, lightning arrestors, circuit breakers, relays are used to: Select one: a. step up the voltage. O b. Protect equipment and devices of the power system. O c. None of the above O d. step down the voltage.arrow_forwardA device used in kitchen serving hotels dining rooms club houses and restaurants is__________. a.) Grease basin b.) Yard basin c.) Garage basin d.) Oil catch basinarrow_forward
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