WorksheetsET 26203
Total questions: 18
Worksheet time: 9mins
Unless its protected or is a low-voltage type of track, AT LEAST how many feet above the floor must track lighting be installed?
5'
6'
7'
8'
What type of recessed luminaire that is 2'x2' square or 2'x4' rectangular called?
Troffer
Pendant
Sconce
Suspended
When installing a surface-mounted luminaire weighing more than 50 pounds, how should it be supported?
by a standard outlet box without additional support
mounted to a standard outlet box if securely attached
by the outlet box if the box is listed and labeled for the weight
What may NOT be installed 3' horizontally and 8' vertically from a bathtub rim or shower stall threshold?
LED downlight
recessed luminaire
exhaust fan
ceiling hung fan
What type of luminaire is a chandelier?
recessed
suspended
track-mounted
surface-mounted
What should be referenced to ensure proper luminaire type and location in a building?
site lighting plan
lighting floor plan
panel schedule
power plan
What is the MINIMUM distance required between a junction box and recessed luminaire?
1"
3"
5"
6"
Which of the following is an advantage of LEDs?
not dimmable
longer warm-up time
high operating temperature
repeated starts do not effect lifespan
Which color temperature produces a balance between warmth and coolness?
2,000K
3,000K
3,500K
4,500K
When replacing a halogen lamp in a luminaire what must be used before touching the lamp?
use an oily rag
clean bare hands
use a soft cloth or glove
no precautions are necessary
Fluorescent lamps are not allowed to be thrown away with construction debris due to the content of what in them?
asbestos
tungsten
Mercury
lead
What is the LED lighting component that controls the DC voltage and/or DC current called?
driver
diode
ballast
heat sink
Which type of lamp is subject to an explosion if the are tube ruptures?
LED lamp
metal halide lamp
mercury vapor lamp
Tungsten-filament lamp
What must be done to unused wire multitap leads on a ballast?
removed
insulated
re-identified
twisted together
What is the type of lamp that uses an electric arc to excite atoms of mercury?
LED lamp
halogen lamp
fluorescent lamp
incandescent lamp
Which of the following will shorten the life of a filament in an incandescent lamp?
using a photosensor
operating at lower voltage
operating at higher voltage
operating at a lower ambient temperature
What is a luminaires efficacy measured in?
Watts Per Horse Power
Color Rendering Index
Lumens Per Watt
Lumens Per Hour
Which of the following describes a color temperature of 4,100K and higher?
cool in tone with a bias towards reds and yellows
warm in tone, enhancing reds and yellows
cool in tone with a bias toward blues and greens
moderate in tone with a balance between warmth and coolness
