Electrical & Lighting Flashcards
1
Q
Coefficient of Utilization (CU)
A
- Ranges from 0.0-1.0
- Measures how much light from a fixture actually reaches a work plan
- Lower CU = Room geometry and room surface colors absorb more light on the way to work plane
- Higher CU = Room geometru and room surface colors absorb less light on the way to the work plane
1
Q
Zonal Cavity Method
A
Method of calculating a room’s Coefficient of Utilization
formula is in reference material provided on test
2
Q
Whats the equation for
Power (P) Equation
A
P = current x voltage
or
Watts or Volt-Amps = amps x volts
3
Q
A