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Lighting – Lumens per watt Lamp typeLumens per watt Incandescent bulbs15 CFL60 Fluorescent tube HPSV100 – 150 Metal Halide lamps120 LPSV183 Light. - ppt download
Paragon Lighting Myanmar - Understanding LUMENS PER WATT RATING Like kilometer-per-liter (of petrol) in a car, the LUMENS-PER-WATT RATING indicates how much light that a particular bulb produces per watt of power
GE Ultra Bright LED 250-Watt EQ LED Par38 Warm White Dimmable Flood Light Bulb in the Spot & Flood LED Light Bulbs department at Lowes.com
Light Bulb Brightness - The Home Depot
LED trends: more lumens per watt
GE Reveal 60-Watt EQ A19 Dimmable Warm White A-style Light Fixture Halogen Light Bulb (2-Pack) in the Halogen Light Bulbs department at Lowes.com
Watts to Lumens Converter
GE Lighting A19 Incandescent Halogen Light Bulbs, 43-Watt, Soft White Finish, 60-Watt Replacement, 620-Lumen, Medium Base, 4-Pack - - Amazon.com
Lumens vs Watts - What Is a Lumen? | Lightbulbs Direct