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Electricity 1: Devices, Circuits and Materials

Thomas Kubala

Chapter 17

SWITCH CONTROL OF LIGHTING CIRCUITS - all with Video Answers

Educators

Chapter Questions

Problem 1

What is the most commonly used style of lighting switch? __________

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Problem 2

List four types of lighting switches.
a.__________ c. __________
b. __________d. __________

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Problem 3

To control a group of lights from one control point, what is the most practical type of switch to use? __________

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Problem 4

What type of switch is used to control a group of lights from two different control points? __________

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Problem 5

Complete the connections in Figure $17-13$ so that both ceiling light outlets are controlled from the one single-pole switch. Assume the installation is in cable.
FIGURE CAN'T COPY.

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Problem 6

Complete the connections in Figure 17-14 so that the ceiling outlet may be controlled from either three-way switch.
FIGURE CAN'T COPY.

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Problem 7

In Figure 17-15, show 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.
FIGURE CAN'T COPY.

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Problem 8

Determine what type and rated switch is required to control seven 200-watt tungsten filament lamps that are connected in parallel to a 120 -volt source.

Victor Salazar
Victor Salazar
Numerade Educator

Problem 9

In problems 9 through 11, Select the best answer to complete the statement, and place the letter of the answer in the space provided.
If a light is to be controlled from three different locations, the following switches must be used:
a. two three-way and one four-way.
b. two four-way and one three-way.
c. three three-way.
d. two double-pole.
e. three single-pole.

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Problem 10

Select the best answer to complete the statement, and place the letter of the answer in the space provided.
A three-way switch is similar to a
a. four-way switch.
b. double-pole, double-throw switch.
c. single-pole, single-throw switch.
d. single-pole, double-throw switch.
e. double-pole, single-throw switch.

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02:11

Problem 11

Select the best answer to complete the statement, and place the letter of the answer in the space provided.
When a tungsten filament lamp is turned on, the current through the switch is initially
a. low, but builds up.
b. very high.
c. moderate.
d. dependent on the switch resistance.
e. steady.

Vishal Gupta
Vishal Gupta
Numerade Educator