LLC Blueprint Reading & Interpretation 3

Question 1

On a low-voltage landscape lighting plan, what does the number '12/2' next to a wire run line indicate?

Accepted Answer

12 AWG wire with 2 conductors

Answer

The notation '12/2' is standard wire labeling meaning 12-gauge American Wire Gauge (AWG) cable with 2 conductors.

Question 2

A blueprint legend shows a square symbol with diagonal hatching. In landscape lighting plans, this most likely represents:

Accepted Answer

A step light or hardscape-mounted fixture

Answer

Hatched square symbols in lighting plans typically indicate recessed or surface-mounted hardscape fixtures such as step lights or deck lights.

Question 3

What does 'as-built' mean when stamped on a landscape lighting blueprint?

Accepted Answer

The drawing reflects actual installed conditions after construction

Answer

An as-built drawing is updated after installation to show the actual locations and configurations of installed equipment, including any field changes.

Question 4

On a landscape lighting site plan, contour lines that are close together indicate:

Accepted Answer

Steep grade changes that may affect fixture aiming and cable routing

Answer

Closely spaced contour lines represent rapid elevation change (steep slopes), which affects fixture aiming angles and trench depth planning.

Question 5

A landscape lighting plan references 'Detail 3/E2.' How should this notation be interpreted?

Accepted Answer

Detail number 3, found on sheet E2

Answer

The notation 'Detail 3/E2' is standard drawing cross-reference format meaning Detail #3 is located on sheet E2 of the drawing set.

(LLC) Landscape Lighting Certification Practice Test

(LLC) Landscape Lighting Certification Practice Test

LLC Blueprint Reading & Interpretation 3