Class 4

Question 1

What type of lighting fixture is chosen when it comes to luminaire spacing

Answer 1

Recessed lighting

Question 2

What type of light effect does hyperbolic scallops produce

Answer 2

The beam angle of the light and the distance from the walls creates this effect

Question 3

What is the rule of thumb when involving recessed downlights, spotlights and wall washers, without keeping track of calculations?

Answer 3

-the spacing between 2 luminaires is usually between half or 1.5x of the height of the luminaire above the working plane.

-half of the luminaire spacing between the luminaire and the wall

Question 4

What is the rule of thumb for angling spotlights

Answer 4

On a 30 degree angle

Question 5

Why are wall washers an important design factor to take into account.

Answer 5

It highlights space perception, gives the impression of increasing brightness and softens contrasts. It also makes narrow rooms seem more spacious and higher

Question 6

If a ceiling or wall is dark, how do you add that in the calculations for how many lumens are required

Answer 6

Multiple the total required lumens by 2 and by 4 if very dark surfaces and dimmers could also be added