Industrial Lighting Flashcards
What does GLS stand for ?
General lighting service
What does TH in TH lamps stand for ?
Tungsten halogen
What does MCF stand for in MCF lamps?
Mercury low pressure florescent
What are the most commonly used lamp holder used in industrial?
Bi-pin, bayonet cap & Edison screw
Apart from halogen what other gas can be used in a halogen lamp ?
Iodine or bromine
What is the life expectancy and cap type and watts most commonly used in halogen lamps ?
3000 hours
500 watt
G4
What is the life expectancy highest available watt and most common used cap type for a linear double ended halogen tube ?
2000 hours
2000 watts
R7S
What is the min and maximum recommend temp for a halogen tube to operate ?
Min 250°C
Max 350°C
How many degrees from the horizontal position are u allowed when installing a halogen tube ?
4°
What voltage do extra low voltage Los work on ?
12 volts
What is the average life expectancy of extra low voltage lamps ?
3000 hours
What symbol indicates that low voltage lighting is suitable for mounting near flammable materials is wood ?
Triangle with a capital F in it
What distance must you keep extra low voltage lighting away from thermal insulation ?
50mm
What is the most common discharge lamp ?
Fluorescent lighting
What gas is used in the starter of a fluorescent light ?
Neon gas
