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
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1
Q

Zonal Cavity Method

A

Method of calculating a room’s Coefficient of Utilization

formula is in reference material provided on test

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2
Q

Whats the equation for

Power (P) Equation

A

P = current x voltage
or
Watts or Volt-Amps = amps x volts

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3
Q
A
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