Deck 2: Reading Electrical Working Drawings--Entry Level

Question 1

The term ____ means not connected to ground or a conductive body that extends the ground connection.

A)neutral conductor
B)ungrounded
C)neutral point
D)white conductor

Answer 1

B

Question 2

When concealed raceways are drawn on plans, they usually are shown as ____.

A)curved lines
B)straight lines
C)circles
D)right angles

Answer 2

A

Question 3

____ are not usually permitted on the hinged side of the door but are required to be located on the strike side.

A)Outlets
B)Switches
C)Circuits
D)Floats

Answer 3

B

Question 4

A dashed line with an "S" designates a(n)____.

A)underfloor signal raceway
B)sturdy raceway system
C)solid raceway
D)signal raceway

Question 5

When raceways are installed vertically in the building, from one floor to another, the vertical direction may be represented by the arrow symbol inside a(n)____.

A)triangle
B)square
C)circle
D)oval

Question 6

How are hash marks useful in marking raceways?

Question 7

A switch symbol without a number beneath the horizontal line means that a ____ switch should be installed.

A)single-pole
B)float
C)three-way
D)four-way

Question 8

____ are distribution points for electrical circuits.

A)Panelboards
B)Receptacle outlets
C)Surface raceways
D)Lighting outlets

Question 9

If the raceway is for use of the ____ system, the line will be broken and an uppercase T will be inserted.

A)transportation
B)telephone
C)tunnel
D)timing

Question 10

The switches used in the low-voltage remote-control system described in this chapter operate on ____ volts.

A)12
B)24
C)60
D)120

Question 11

____ schedules are typically provided to detail the circuits and overcurrent protection required for distribution equipment.

A)Branch-circuit
B)Outlet
C)Switch
D)Panelboard

Question 12

How are location and types of luminaires often identified in drawings and specifications?

Question 13

Describe the placement of electrical equipment in electrical plans.

Question 14

The symbol for ____ consist of two parallel lines inside, and sometimes extending out of, a circle.

A)pressure switches
B)float switches
C)duplex convenience receptacles
D)lighting outlets

Question 15

What are panelboards? Describe the major types.

Question 16

The typical outlet notation "H" designates a ____ outlet.

A)hollow
B)high mounted
C)hung
D)horizontally mounted

Question 17

One type of illumination system consists of rows of strip fluorescents and a ceiling that will transmit light. For this system to be efficient, the surfaces above the luminous ceiling must be ____.

A)installed by the electrician
B)metallic
C)black
D)highly reflective (white)

Question 18

A rectangle with parallel diagonal lines as the fill pattern represents a ____.

A)switch
B)lighting outlet
C)receptacle outlet
D)distribution panel

Question 19

What advantages does a low-voltage remote-control system offer, and why isn't it more popular?

Question 20

If more than one symbol is located immediately adjacent to another, it usually means that a multigang box for multiple wiring devices and ____ are to be installed.

A)multiple covers
B)two covers
C)duplicate covers
D)a single cover