Don's bulbs rare light bulbs and lamps glossary of terms click on a glossary term: ABAMPERE AC VOLTAGE AMBIENT LIGHTING AMERICAN NATIONAL STANDARD INSTITUTE AMP AMPERAGE AMPERE AMPERES AMPS ANSI ANSI CODE ARC TUBE ARGON LAMP BALLAST BALLAST FACTOR BASE BASES BEAM ANGLE BEAM SPREAD BF BREAKDOWN BREAKDOWN VOLTAGE BROAD SPECTRUM BULB BULBS BULB BASE BULB DARKENING BULB LIFE BULB SOCKET BULB VOLTAGE BURN BURN ANGLE CANDELA CANDELAS CANDLEPOWER CANDLE POWER CATEGORY CATHODE GUARD CBCP CC CCT CENTER BEAM CANDLEPOWER CHARACTERISTIC CURVES CHROMATICITY CIRCUIT COEFFICIENT OF UTILIZATION COLOR CORRECTED COLOR RENDERING INDEX COLOR SPECTRUM COLOR TEMP COLOR TEMPERATURE COMPACT FLUORESCENT COMPACT FLUORESCENT LAMP CONDUCTOR CONDUCTORS CONVERSION TABLE CORONA CORRELATED COLOR TEMPERATURE COSINE LAW COULOMB COVE LIGHTING CP CRI CU CURRENT DARK-EFFECT DC VOLTAGE DEFC DESIGN END FOOT CANDLES DESIGN HOUR DESIGN HOURS DESIGN LUMENS DICHROIC DICHROIC MIRROR DIFFUSION DIRECTIONAL LIGHTING DISCHARGE LAMP DIVITRIFICATION DOUBLE-ENDED LAMP DOWN LIGHTING ECE EFFICACY ELECTRICAL ELECTRICAL CIRCUIT ELECTRICAL CURRENT ELECTRICAL ENERGY ELECTRICAL PRESSURE ELECTRICAL WORK ELECTRICITY ELECTRIC DISCHARGE LAMP ELECTRIC ENERGY ELECTRIC POTENTIAL ELECTROMAGNETIC BALLAST ELECTROMOTIVE FORCE ELECTROMOTIVE POTENTIAL ELECTRONIC BALLAST ELEMENTARY PHOTOMETER ELLIPTICAL REFLECTOR END BLACKENING ENERGY POLICY ACT ENERGY SURVEY EPACT ETCH EXITANCE EYEBALL FIELD ANGLE FILAMENT FILAMENTS FILAMENT BULB FILAMENT BULBS FIRING POTENTIAL FIXTURE FLOODLIGHT FLOODLIGHTS FLUORESCENT BULB FLUORESCENT LAMP FLUORESCENT TUBE FLUX FOOTCANDLE FULL SPECTRUM GAS DIODE GAS TUBE GENERAL LIGHTING GETTER GLARE GLASS GLOW LAMP GLOW TUBE HALOGEN HALOGEN BULB HALOGEN BULBS HEAD HERTZ HID HIGH INTENSITY DISCHARGE HIGH OUTPUT FLUORESCENT HIGH PRESSURE SODIUM HIGH VOLTAGE HO HOLDING VOLTAGE HORIZONTAL DISTRIBUTION HOUR HOURS HPS HZ ILLUMINANCE ILLUMINATION IMBC INCANDESCENCE INCANDESCENT INCANDESCENT BULB INCANDESCENT BULBS INCH INDIRECT LIGHTING INDUCTION LIGHTING INFRARED INITIAL LUMENS INITIAL MAXIMUM BEAM CANDLEPOWER INSTANT START INSULATOR INSULATORS INTENSITY IN STOCK ION IONIZATION IONIZATION VOLTAGE IR KELVIN KHZ KILOHERTZ KILOWATT KRYPTON LAMP LAMPS LAMP HOLDER LAW OF INVERSE SQUARES LCL LENS LIF LIFE HOUR LIFE HOURS LIGHT LIGHT LIGHTING FEDERATION LIGHTING FIXTURE LIGHT BULB LIGHT BULBS LIGHT CENTER LENGTH LIGHT ENERGY LIGHT LOSS FACTOR LIGHT OUTPUT LIGHT SOURCE LIGHT TUBE LIGHT TUBES LIS LOIS LOUVER LOW PRESSURE SODIUM LPW LUMEN LUMENS LUMENS OUTPUT PER WATT LUMENS PER WATT LUMEN DEPRECIATION LUMEN MAINTENANCE LUMINAIRE LUMINANCE LUX MAINTAINING VOLTAGE MAXIMUM OVERALL LENGTH MEAN HORIZONTAL CANDLEPOWER MEAN LUMENS MEAN SPHERICAL CANDELA MEAN SPHERICAL CANDLEPOWER MERCURY VAPOR LAMP METAL HALIDE LAMP MHC MILLIMETER MILLIMETERS MM MOL MSCP NANOMETER NEODYMIUM NEON NEON LAMP NOMINAL LENGTH NOTE NOTES OHM OHMS OPERATING POSITION PAR PARABOLIC ALUMINIZED REFLECTOR PAR LAMP PHOSPHOR PHOTOMETER PHOTOMETRY PHOTON PHOTONS PHOTOPIC VISION POWER FACTOR PREHEAT PRESSURE OF ELECTRICITY PROGRAMMED START PULSE START QUARTZ QUARTZ GLASS QUARTZ HALOGEN RADIOMETRY RAPID START REFLECTOR LAMP REFRACTION REFRACTOR RESISTANCE SCOTOPIC VISION SHROUD SOCKET SON SOX SPD SPECIAL ORDER SPECTRAL POWER DISTRIBUTION SPIRAL LAMP SPOTLIGHT SPOTLIGHTS STARTER STRIKING VOLTAGE TASK LIGHTING TCLP TEST THD TOTAL HARMONIC DISTORTION TOXICITY CHARACTERISTIC LEACHING PROCEDURE TRIGGER START TROFFER TUBE TUBES TUNGSTEN HALOGEN TUNGSTEN HALOGEN CYCLE ULTRAVIOLET VERY HIGH OUTPUT VHO VISIBLE SPECTRUM VOLT VOLTAGE VOLTAGE RATING VOLTS VOLT AMP WATT ANIMATIONS WATT WATTAGE WATTS WAVELENGTH WIRE WIRES WORK /10K /3K /4K /BD /BDX /BL /BU /C /CL /DE /DX /ES /GDX /GR /IC /LU /M /MDX /MED /MH /MHC /MV /MVSB /PS /SE /U /UVS