Lighting A to Z

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Lighting FormulasUse this formula to determine the illuminance in footcandles(FC) hitting a target from a reflector or PAR lamp at a specificdistance. You will need the Maximum Beam Candlepower(MBCP) for the specific bulb and the distance from the lampto the target. You can get the MBCP from the Philips LampSpecification and Application Guide.Formula:FC = MBCP/D 2Take the MBCP and divide by the distance squared (distance xdistance)Example: 90PAR 38 HAL/FL28˚ at 12 feet distance, what willthe illuminance in footcandles be?The MBCP is 4500 candlepowerThe distance squared is 12 feet x 12 feet or 144 square feet4500/144 = 31.25 footcandles or about 30FC58 Product Knowledge
Customer Information HotlineTelephone 1-800-555-0050Monday–Friday, 8:30 A.M.–5:00 P.M. (EST)• Detailed Product Specifications• New Products• Lamp Specifications• Material Safety and Data SheetsPhilips Customer ServiceTelephone 1-800-933-3768 or 1-800-795-2114Customer Service Representatives are availableto assist you Monday–Friday, 8:30 A.M.–5:00 P.M. (EST)The Light SitePhilips Lighting on the Webwww.lighting.philips.com/namLighting A–Z 59
Page 2 and 3:
IndexIncandescent/Halogen Lamps . .
Page 4 and 5:
Incandescent OperationIn an incande
Page 6 and 7:
Incandescent Lamp PartsFilamentGlas
Page 8 and 9: Incandescent Bulb ShapesABBACFGKBRP
Page 10 and 11: FilamentsC-2VCC-2VC-5 C-6CC-62CC-6
Page 12 and 13: Incandescent/Halogen TypesGeneral S
Page 14 and 15: Halogen TypesHalogen Double-Ended(L
Page 16 and 17: The Philips Marathon Collectioncom
Page 18 and 19: PL Family of CompactFluorescent Lam
Page 20 and 21: Fluorescent Lamp OperationGlass bul
Page 22 and 23: Fluorescent Bulb ShapesThe letter i
Page 24 and 25: Color Temperature and CRIColor Temp
Page 26 and 27: Philips ALTO ® Fluorescent LampsPh
Page 28 and 29: HomeLightFluorescent Color Selectio
Page 30 and 31: High Intensity Discharge (HID)Mercu
Page 32 and 33: High Intensity Discharge (HID)High
Page 34 and 35: Featured ProductsMini-Household Ide
Page 36 and 37: Featured ProductsGuaranteed to last
Page 38 and 39: Featured ProductEnergy SaverHalogen
Page 40 and 41: Philips Energy SavingSubstitution G
Page 42 and 43: How To Use Our CatalogFrom SAG-100B
Page 44 and 45: GlossaryBritish Thermal Units (BTUs
Page 46 and 47: GlossaryDirect Current (DC) Flow of
Page 48 and 49: GlossaryFull Spectrum Lighting Ther
Page 50 and 51: GlossaryLight Any radiation capable
Page 52 and 53: GlossaryR lamps Reflectorized lamps
Page 54 and 55: GlossaryTransformer Device used to
Page 56 and 57: Lighting FormulasEnergy Saving Form
Page 60: Philips Lighting Company200 Frankli
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Lighting A to Z

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