EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 5, Problem 5R
To determine
Mention different types of lighting switches.
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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
A 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-WAY
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 5 Solutions
EBK 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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- The ________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_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_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_forward
- The circuit breaker cubicles illustrated in your reading material each contain____circuit breakers. A. Two B. Three C. Four D. Sixarrow_forwardActivity #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_forward
- 9.a. What should be done with the connector ferrule once a connector is attached to a fiber optic cable?A. It should be polished.B. It should be broken off and thrown away.C. Connectors don't have ferrules.D. It should be roughened with sandpaper.9.b. Which type of test should be performed on an installed cable after it has been terminated?A. Bit error rate testB. Continuity testC. OTDRarrow_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_forward6.a. Extreme _______ may cause some nonmetallic conduits to become brittle and therefore moresusceptible to damage from physical contact.A. coldB. corrosionC. voltageD. heat6.b. Snap switches are permitted to be grouped or ganged in an enclosure provided the voltage between theadjacent snap switches does not exceed ___ V.A. 400B. 300C. 200D. 100arrow_forward
- 12. 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_forward2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.arrow_forwardA(n) ___________ is a device that detects when a person has entered a room and switches on the room lighting.Select one:A. DIMMER SWITCHB. OCCUPANCY SENSORC. FOUR-WAY SWITCHD. SINGLE-POLE SWITCHarrow_forward
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