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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS DEFINITIONS: SOURCE OF ELECTRIC LIGHT THAT ILLUMINATES THROUGH INCANDESCENCE (A GENERAL TERM FOR HEAT-DRIVEN LIGHT EMISSIONS). INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES SHAPES SIZES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS INCANDESCENT LIGHT SOURCES
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INCANDESCENT LAMPS PARABOLIC ALUMINIZED REFLECTOR (PAR) LAMPS:
INTRODUCTION LAMP CONSTRUCTION LAMP TYPES SHAPES SIZES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS PARABOLIC ALUMINIZED REFLECTOR (PAR) LAMPS: ALLOW DIRECTED BEAM CONTROL EITHER AS A SPOT (NARROW) OR A FLOOD (WIDE). PAR LAMPS ARE CONSTRUCTED OF HARD GLASS FOR EXTERIOR USE. PAR LAMPS
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INCANDESCENT LAMPS INTERNAL REFLECTOR (R) LAMPS: INTRODUCTION
LAMP CONSTRUCTION LAMP TYPES SHAPES SIZES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS INTERNAL REFLECTOR (R) LAMPS: ALSO ALLOW DIRECTED BEAM CONTROL, EITHER AS A SPOT LIGHT OR FLOOD LIGHT. THEY CONSTRUCTED OF SOFT GLASS AND ARE INTENDED FOR INTERIOR USE. R LAMPS
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES SHAPES SIZES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS COLOR RENDERING CHARACTERISTICS: INCANDESCENT LAMPS PRODUCE A WHITE LIGHT WHICH IS WARMER THAN SUNLIGHT, RICH IN YELLOWS & REDS, WEAK IN GREENS & BLUES. LOWER WATTAGES TEND TO BE WARMER & HIGH WATTAGES COOLER. DIMMED LAMPS GIVE OFF A YELLOW-RED LIGHT. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS COLOR RENDERING CHARACTERISTICS: INCANDESCENT SOURCES PRODUCE LIGHT WHICH IS VERY FLATTERING TO SKIN TONES. THE CORRELATED COLOR TEMPERATURE OF STANDARD INCANDESCENT LAMPS IS BETWEEN 2600 AND 3000K. INCANDESCENT LIGHT SOURCES
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RICHARD MORRIS HUNT, BREAKERS, NEWPORT, RHODE ISLAND, 1893-1895
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS COLOR RENDERING CHARACTERISTICS: INCANDESCENT SOURCES HAVE EXCELLENT COLOR RENDERING CHARACTERISTICS. RICHARD MORRIS HUNT, BREAKERS, NEWPORT, RHODE ISLAND,
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS EFFICACY: INCANDESCENT SOURCES HAVE VERY LOW EFFICACY, BETWEEN 15 AND 25 LUMENS PER WATT. EFFICACY INCREASES WITH WATTAGE. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION
COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS EFFICACY IS LOW
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LAMP LIFE IS SHORT: 750-3500 HOURS
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS LAMP LIFE IS SHORT: HOURS
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LUMEN MAINTENANCE: 80-90% AT 50% LIFE
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION COLOR RENDITION EFFICACY LAMP LIFE LUMEN MAINTENANCE EVALUATION APPLICATIONS SPECIAL LAMPS LUMEN MAINTENANCE: 80-90% AT 50% LIFE
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION ADVANTAGES DISADVANTAGES APPLICATIONS SPECIAL LAMPS ADVANTAGES: ACCURATE COLOR RENDITION. LAMP LIFE IS INDEPENDENT OF THE NUMBER OF STARTS. INSTANT START & RESTART. SIMPLE & INEXPENSIVE DIMMING. LOW INITIAL & REPLACEMENT COSTS. COMPACT SIZE. INEXPENSIVE FIXTURES. FOCUSABLE AS A POINT SOURCE. REQUIRES NO BALLAST. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION ADVANTAGES DISADVANTAGES APPLICATIONS SPECIAL LAMPS DISADVANTAGES: LARGE NUMBER OF SOURCES ARE REQUIRED BECAUSE OF THEIR LOW EFFICACY. HIGH ELECTRICITY COSTS. HIGH HEAT GAIN FROM LIGHTING. SHORT LAMP LIFE RESULTING IN HIGHER MAINTENANCE COSTS. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS APPLICATIONS: INCANDESCENT SOURCES ARE USED WHERE USE IS INFREQUENT. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS APPLICATIONS: INCANDESCENT SOURCES ARE USED WHERE LOW COST DIMMING IS REQUIRED. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS APPLICATIONS: INCANDESCENT SOURCES ARE USED WHERE FOCUSING FIXTURES ARE NEEDED. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS APPLICATIONS: INCANDESCENT SOURCES ARE USED WHERE MINIMUM INITIAL COST IS CRUCIAL. INCANDESCENT LIGHT SOURCES
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS APPLICATIONS: INCANDESCENT SOURCES ARE USED WHERE THEIR CHARACTERISTIC COLOR RENDERING IS REQUIRED INCANDESCENT LIGHT SOURCES
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INCANDESCENT SOURCES ARE COMMONLY USED IN RESIDENTIAL APPLICATIONS.
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS INCANDESCENT SOURCES ARE COMMONLY USED IN RESIDENTIAL APPLICATIONS.
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INCANDESCENT LIGHT SOURCES
INCANDESCENT LAMPS INTRODUCTION LAMP CONSTRUCTION LAMP TYPES OPERATION EVALUATION APPLICATIONS SPECIAL LAMPS TUNGSTEN-HALOGEN LAMPS: THE FILAMENT IS HOUSED WITHIN AN INNER QUARTZ ENVELOPE WHICH CAN TOLERATE HIGH OPERATING TEMPERATURES. SLIGHT BETTER CRI. EXTENDED LIFE (2000 TO 12000H). GREATER LUMEN MAINTENANCE. INCANDESCENT LIGHT SOURCES
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