LLC Tools & Equipment Operation 3

Question 1

A lux meter (foot-candle meter) is used during a landscape lighting project to:

Accepted Answer

Measure illuminance levels at specific locations on the site

Answer

A lux meter quantifies the light level reaching a surface, allowing designers to verify photometric plans are achieved.

Question 2

What is the correct procedure when using a non-contact voltage tester near a low-voltage landscape transformer's primary side?

Accepted Answer

Confirm the tester is rated for line voltage (120V/240V) before testing primary terminals

Answer

The primary side of a landscape transformer carries full line voltage (120V or 240V), requiring a tester rated for that voltage range.

Question 3

A fish tape is typically made of steel or fiberglass; in landscape lighting, fiberglass fish tape is preferred near energized equipment because:

Accepted Answer

It is non-conductive, reducing shock risk near live conductors

Answer

Fiberglass fish tape is non-conductive, making it safer to use in areas where accidental contact with energized components is possible.

Question 4

When using a soil probe or rod driver to install a ground rod for a transformer, what depth is typically required by NEC Article 250?

Accepted Answer

8 feet

Answer

NEC Article 250 requires driven ground rods to be at least 8 feet long and fully buried in the earth.

Question 5

A conduit bender is used to form sweeping bends in EMT or PVC conduit; the key reason for using proper bending radius is:

Accepted Answer

To prevent kinking that would restrict wire pulling and damage insulation

Answer

Proper bending radius prevents conduit kinks, which would restrict cable movement and could strip insulation during pulling.

(LLC) Landscape Lighting Certification Practice Test