Unit 24 - Chapter 110 Flashcards
Occupancy sensors typically use ___ for activation.
Ultrasonic energy
Occupancy sensors
Are automatic switches
A luminaire is a
Complete lighting unit
One of the main types of illumination is
General/uniform lighting
Most dimmer switches sold today
Save most of the power not being used by the luminaire
Ambient lighting can be improved by using two types of lighting
Direct and indirect
The NFPA life safety code requires that emergency lighting be provided for means of exit in
All educational and institutional occupancies
When control for multiple locations is required
A combination of 3-way switches and 4-way switches are used
The type of luminaire used in I did trial warehouses and storage areas is the
Open reflector
In large buildings approximately what percentage of the electrical load is lighting?
60%
When designing a lighting system which of the following should be considered?
A) initial cost
B) operating cost
C) maintenance cost
D) all of the above
Direct lighting systems
Are more energy efficient than indirect lighting
An advantage of low voltage switching is
A) local and remote control of lights is permitted
B) wiring does not require conduits
C) changes are simple and economical
D) all of the above
