• Home
  • Textbooks
  • Electricity 1: Devices, Circuits and Materials
  • REMOTE CONTROL SYSTEMS FOR LIGHTING CIRCUITS

Electricity 1: Devices, Circuits and Materials

Thomas Kubala

Chapter 19

REMOTE CONTROL SYSTEMS FOR LIGHTING CIRCUITS - all with Video Answers

Educators

Chapter Questions

Problem 1

State two benefits of remote control lighting systems.
a. __________
b. __________

Check back soon!

Problem 2

What is the function of each of the two low-voltage coils in the relay?
__________

Check back soon!

Problem 3

What type of switch is used as a control in a low-voltage system? __________

Check back soon!

Problem 4

In items 4 through 9, Select the best answer to make the statement true, and place the letter of your answer in the space provided.
The type of switch used in remote control systems is __________
a. a single-throw switch.
c. a double-terminal switch.
b. a double-pole switch.
d. a momentary contact switch.

Check back soon!

Problem 5

Select the best answer to make the statement true, and place the letter of your answer in the space provided.
To control three lights connected in parallel from two different points, __________
a. three relays are required.
d. only one switch is necessary.
b. only one transformer is required.
e. one relay and one switch
c. two transformers are required. are necessary.

Check back soon!

Problem 6

Select the best answer to make the statement true, and place the letter of your answer in the space provided.
Code ${ }^{\circledR}$ restrictions for low-voltage remote control systems __________
a. are the same as those for the standard 120-volt system.
b. specify that No. 12 AWG wire be used in the low-voltage part of the circuit.
c. do not exist.
d. are different from those for the standard 120-volt system.

Check back soon!
01:32

Problem 7

Select the best answer to make the statement true, and place the letter of your answer in the space provided.
If a short circuit occurs in a light socket that is part of a remote __________ control system, and a transformer with current limiting characteristics is being used, the
a. current through the short will have a high value.
b. output voltage from the transformer will increase.
c. current in the short will be very low.
d. current and voltage will remain the same as they were before the short occurred.

Pawan Yadav
Pawan Yadav
Numerade Educator

Problem 8

Select the best answer to make the statement true, and place the letter of your answer in the space provided.
The cable used in the low-voltage part of remote control systems __________
a. is the same as cable used in standard 120 -volt systems.
b. requires special insulation.
c. must allow fuses or circuit breakers to be easily installed.
d. is low in cost compared to cable used in standard 120-volt systems.

Check back soon!

Problem 9

Select the best answer to make the statement true, and place the letter of your answer in the space provided.
For remote control systems,
a. the switch used has a built-in relay.
b. the transformer is sometimes built into the relay.
c. the relay always must have a separate outlet box.
d. multiswitch control is usually not possible.

Check back soon!
00:34

Problem 10

Select the best answer to make the statement true, and place the letter of your answer in the space provided.
Draw a remote control wiring diagram to control one light from two switch points with the devices shown in Figure 19-9.
GRAPH CAN'T COPY.

Manish Kumar
Manish Kumar
Numerade Educator