What is filament of an incandescent light made of?
Tungsten
100
What is the light producing element of a fluorescent light?
Phosphor
100
What does HID stand for?
High Intensity Discharge lighting
100
What does LED stand for?
Light Emitting Diode
100
____ are permitted in clothes closets.
A. Incandescent open lamps in lampholders
B. Pendant luminaires
C. Pendant lampholders
D. Surface-mounted fluorescent luminaires
Surface-mounted fluorescent luminaires
200
The filament of a tungsten halogen lamp normally operates at _____ temperatures than a standard incandescent lamp
Higher
200
For a fluorescent lamp, the inside of the tube is coated with a phosphor, the air is evacuated, and an inert gas plus a small quantity of ____ is released into the tube.
Mercury
200
The type of high-intensity discharge (HID) lamp that has the best color rendition is the ______ lamp.
Metal Halide
200
How long does Induction lighting lasts?
at least 100,000 hrs
200
For swimming pools Equipotential bonding reduce voltage gradients in swimming pool due to electrical hazards from appliances falling in water.
A. True
B. False