Lighting Specifications

Question 1

For light coming directly from a light source, what measuring instrument should be used?

Answer 1

Incident meter (candelas)

Question 2

Considering a 1000W lighting dimmer, the load should not exceed:

Answer 2

800 W (80% of capacity)

Question 3

What is the highest recommended ambient lighting level illuminating a front-projection screen?

Answer 3

5 footcandles or 50 LUX

Question 4

What other type of light, besides light coming directly from a source must be measured?

Answer 4

Ambient Light

Question 5

When lighting a room for videoconferencing, it is recommended to use light sources with a color temperature of

Answer 5

3000 to 3500 K