Print Reading and Blueprints Flashcards
6 cards from real EIAT and NEIEP Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Print Reading and Blueprints flashcards as text
On an electrical drawing, what does the symbol 'S' inside a circle typically represent?
Answer: Single-pole switch
A circle with 'S' is the standard symbol for a single-pole switch on electrical floor plans.
What is the primary purpose of a riser diagram in electrical drawings?
Answer: Illustrate the vertical routing and panel distribution of electrical systems
A riser diagram shows the vertical distribution of electrical power from the service entrance through panels and feeders across floors.
On a blueprint, what does a dashed line typically represent?
Answer: A hidden or concealed element
Dashed lines in architectural and electrical drawings typically indicate hidden, concealed, or below-surface elements.
The title block of a blueprint contains:
Answer: Project name, drawing number, scale, revision, and date
The title block is a standardized box (usually bottom right) containing project identification, drawing number, scale, revisions, and dates.
On electrical drawings, a triangle pointing up (▲) with a number usually indicates:
Answer: A panel board reference or homerun to panel
An arrow or triangle with a panel and circuit designation indicates a homerun — the circuit's connection point back to the distribution panel.
What does the term 'scale' mean on a blueprint?
Answer: The ratio of the drawing size to the actual size
Scale is the proportional ratio between a measurement on the drawing and the actual corresponding dimension in the field.
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