Exam 2: Reading Electrical Working Drawings--Entry Level

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

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

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)____.

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

Describe the placement of electrical equipment in electrical plans.

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

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

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

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

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 ____.

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

____ are distribution points for electrical circuits.

What are panelboards? Describe the major types.

How are hash marks useful in marking raceways?

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

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

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

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

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