EIAT and NEIEP Test Print Reading and Blueprints

Question 1

On an electrical drawing, what does the symbol 'S' inside a circle typically represent?

Accepted Answer

Single-pole switch

Answer

A circle with 'S' is the standard symbol for a single-pole switch on electrical floor plans.

Question 2

What is the primary purpose of a riser diagram in electrical drawings?

Accepted Answer

Illustrate the vertical routing and panel distribution of electrical systems

Answer

A riser diagram shows the vertical distribution of electrical power from the service entrance through panels and feeders across floors.

Question 3

On a blueprint, what does a dashed line typically represent?

Accepted Answer

A hidden or concealed element

Answer

Dashed lines in architectural and electrical drawings typically indicate hidden, concealed, or below-surface elements.

Question 4

The title block of a blueprint contains:

Accepted Answer

Project name, drawing number, scale, revision, and date

Answer

The title block is a standardized box (usually bottom right) containing project identification, drawing number, scale, revisions, and dates.

Question 5

On electrical drawings, a triangle pointing up (▲) with a number usually indicates:

Accepted Answer

A panel board reference or homerun to panel

Answer

An arrow or triangle with a panel and circuit designation indicates a homerun — the circuit's connection point back to the distribution panel.

EIAT and NEIEP Test Practice Test