Emergency Lighting Equipment Flashcards
A typical unit equipment used to supply emergency lighting includes what six components?
- Rechargeable battery
- Battery charger
- Transfer relay
- Two lamps
- Indicating light
- Test switch
What kind of incandescent lamps are usually used with unit equipment?
Tungsten halogen
Do exit sign fixtures normally have an internal battery like emergency-lighting units?
No
What two advantages do exit fixtures that use LEDs have over those that use other lamp types?
Long life and low power consumption
Why are HID lamps not normally suitable for emergency-lighting systems?
Because of their long warm-up and cool-down times
A permanent record of maintenance and inspections must be kept for unit equipment. True or False?
True
What two advantages do compact fluorescent lamps have for exit signs compared to incandescent types?
- Longer rated life
- Higher efficiency
What two kinds of storage batteries are used in unit lighting?
- Lead-acid
- Nickel-cadmium
Unit equipment is normally supplied with AC at ___V, and the lamps are ____(on/off)
120V, off
Besides complete AC supply failure, what other condition may bring on the emergency lights?
If the voltage drops significantly below normal (brownout)
Which Code or Regulation governs emergency and exit lighting in buildings?
National Building Code (NBC)
Unit equipment for emergency lighting must provide illumination for a specified period of time, but in any case not less than what time period?
30 minutes
Unit equipment must have a means to indicate and test its operation. True or False?
True
Unit equipment should be mounted at least ____ above the floor
2m
What are the requirements of the 120V outlet used for supplying the unit equipment?
Located within 1.5m of the unit and not less than 2.5, above the floor
