Deck 41: Electrical Drawings

Question 1

Most electrical drawings do not have a symbol legend or list.

Answer 1

False

Question 2

A schematic explains how to make electrical connections.

Answer 2

True

Question 3

Electrical symbols ____.

A) are standardized in the United States
B) are not important to know
C) make drafting more complex
D) are not standardized

Answer 3

D

Question 4

The ____ circuit electrical floor plan shows electrical outlets and devices and includes duplex outlets, specialty outlets, telephone, fire alarm, etc.

A) solid
B) power
C) riser
D) schematic

Question 5

The electrical specifications give the quality of materials intended to be used and the installation and testing requirements.

Question 6

____ lines indicate exposed wiring.

A) Short dash
B) Long dash
C) Solid
D) Slash marks through dash

Question 7

In the accompanying figure, the circuiting symbol at the top stands for ____.

A) wiring concealed in floor
B) wiring exposed
C) wiring turned down
D) wiring concealed in ceiling or wall

Question 8

____ slash marks are the ground wires.

A) Half
B) Full
C) Longer full
D) Quarter

Question 9

There is a lighting circuit electrical floor plan for each level or major space within a building.

Question 10

A special riser diagram is not used for systems that include a fire alarm.

Question 11

Electrical symbols are standardized throughout the industry.

Question 12

In the accompanying figure, the second electrical symbol from the top stands for a ____.

A) circuit breaker
B) fusible element
C) single-throw knife switch
D) ground

Question 13

In the accompanying figure, the second circuiting symbol from the bottom stands for ____.

A) wiring concealed in floor
B) wiring exposed
C) wiring turned down
D) wiring turned up

Question 14

In the accompanying figure, the circuiting symbol at the bottom stands for ____.

A) wiring concealed in floor
B) wiring exposed
C) wiring turned down
D) wiring turned up

Question 15

In the accompanying figure, the electrical symbol at the top stands for a ____.

A) circuit breaker
B) fusible element
C) single-throw knife switch
D) ground

Question 16

A low-voltage lighting control system requires a(n) ____ that is activated by the light switch.

A) resistor
B) battery
C) relay
D) inductor

Question 17

In the accompanying figure, the second circuiting symbol from the top stands for ____.

A) wiring concealed in floor
B) wiring exposed
C) wiring turned down
D) wiring concealed in ceiling or wall

Question 18

____ are shown as small circles containing the letter M.

A) Magnetic sensors
B) Mass sensors
C) Motion sensors
D) Magnets

Question 19

In the accompanying figure, the middle circuiting symbol stands for ____.

A) wiring concealed in floor
B) wiring exposed
C) wiring turned down
D) wiring turned up

Question 20

Electrical drawings deal predominantly with circuits.

Question 21

A ____ diagram is so named because it usually shows the path of wiring or raceway from one level of a building to another.

A) riser
B) single-line
C) double-line
D) level

Question 22

On a fixture schedule, the label used to indicate a fixture type is known as the ____.

A) make
B) voltage
C) wattage
D) mark

Question 23

To reduce the harmonic problems caused by ____________ , many electrical designers are requiring separate neutrals with each phase conductor.

A) solid-state devices
B) thermionic devices
C) PA system
D) low-voltage lighting system

Question 24

In the accompanying figure, the middle electrical symbol stands for a ____.

A) circuit breaker
B) fusible element
C) single-throw knife switch
D) double-throw knife switch

Question 25

In the accompanying figure, the electrical symbol at the bottom stands for a ____.

A) circuit breaker
B) ground
C) single-throw knife switch
D) double-throw knife switch

Question 26

If a wire is labeled N, this stands for ____.

A) neutral
B) negative
C) nonreversing
D) noted

Question 27

What plan does the accompanying diagram indicate?

A) Riser diagram
B) Reflected ceiling plan
C) Circuit of a device
D) Low voltage circuit

Question 28

Slash marks through the circuit lines are used to indicate the number of ___________.

A) electical lines
B) conductors
C) ground wires
D) exposed wires

Question 29

In the accompanying figure, the second electrical symbol from the bottom stands for a ____.

A) circuit breaker
B) ground
C) single-throw knife switch
D) double-throw knife switch

Question 30

A ____ schedule identifies the panels by their mark or label. They are shown by this same designation on the electrical floor plan.

A) mark
B) make
C) panel
D) designated