(5) Lighting Installations

Question 1

a luminaire that is hung with a cord, chain, or tube that enables it to be suspended from a ceiling or other support; it broadcasts light over the entire space

Answer 1

pendant

Question 2

a luminaire where a shielded light source directs its light to the ceiling, where it is reflected back to the space

Answer 2

uplight

Question 3

a luminaire that is usually attached to or recessed in the ceiling and emits a concentrated light downward

Answer 3

downlight

Question 4

a type of downlight that is a recessed, canister-shaped luminaire with a shielded lamp that emits light downward

Answer 4

high hat

Question 5

luminaires are mounted above the ceiling or behind a wall or other surface so that any visible projection of light is insignificant

Answer 5

recessed

Question 6

are decorative, wall- mounted luminaires that provide ambient illumination; they can direct light upward, downward, or in all directions

Answer 6

sconces

Question 7

luminaires are used in high-ceiling areas, 20 ft (6 m) or higher, that require uniform illumination; it is installed in a grid pattern are typically used to provide ambient illumination in warehouses, gymnasiums, and retail superstores

Answer 7

high bay

Question 8

luminaires are more compact; they are designed for use in low- to medium-ceiling areas, 12 to 20 ft (3 to 6 m)

Answer 8

low bay

Question 9

illumination where light received at the work plane or light illuminating an object is incident predominantly from a particular direction

Answer 9

directional lighting

Question 10

a luminaire that is designed to emit an intense, concentrated beam of light with usually no more than a 20° divergence (spread) from where it is directed

Answer 10

spotlight

Question 11

a luminaire that emits an intense light that is broader than a spotlight and that is capable of being pointed in any direction

Answer 11

floodlight

Question 12

a directional lighting installation where luminaires are attached to and are moveable along a metal track

Answer 12

track lighting

Question 13

a lighting installation in which the light on the working plane or on an object is not incident predominantly from a particular direction

Answer 13

diffused lighting

Question 14

a lighting component such as a translucent glass refractor that redirects or scatters the light from a source

Answer 14

diffuser

Question 15

90 to 100% of the light is directed downward for maximum use

Answer 15

direct luminaire

Question 16

90 to 100% of the light is directed to the ceilings and upper walls and is reflected to all parts of a room or 90 to 100% of the light is directed downward for maximum use

Answer 16

indirect luminaire

Question 17

beam projection distance and focusing ability characterize this luminaire

Answer 17

highlighting

Question 18

equal portions of the light is directed downward with the remainder directed upward

Answer 18

general diffuse or direct-indirect luminaire

Question 19

60 to 90% of the light is directed downward with the remainder directed upward

Answer 19

semidirect luminaire

Question 20

a lighting installation where the light source is shielded by a panel that is parallel to the wall and attached to the ceiling; it distributes light over the wall

Answer 20

cornice lighting

Question 21

an up-lighting installation where the light source is shielded by a ledge or recess with light dispersed over the ceiling and upper wall

Answer 21

cove lighting

Question 22

a lighting installation where the light source is shielded by a panel that is parallel to the wall at the top of a window

Answer 22

valance lighting

Question 23

a linear luminaire constructed of an inverted metal trough that serves as a fixture for fluorescent lighting lamps

Answer 23

troffer

Question 24

an incandescent lamp with an elliptically shaped reflector

Answer 24

elliptical reflector (ER) lamp

Question 25

may use an incandescent filament, a halogen filament tube, or HID arc tube, is a precision pressed-glass reflector lamp

Answer 25

parabolic aluminized reflector (PAR) lamp

Question 26

an advanced lighting technology that transports light from a single source over a distance to one or more light outlets or emits light evenly along the way (fiber optic RSL systems and light pipe RSL systems)

Answer 26

remote-source lighting (RSL)

Question 27

a polar graph that represents the luminous intensity of a lamp at various positions beneath the luminaire opening

Answer 27

candela (candlepower) distribution curve

Question 28

beam projection distance and focusing ability characterize this luminaire

Answer 28

highlighting