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With example explain how the replacement of lamps in lighting system contributes for energy conservation?

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Replacement of lamps in lighting system contributes for energy conservation: i. Replacing incandescent lamps by Compact Fluorescent Lamps (CFL's) ii. Replacing conventional fluorescent lamp by energy efficient fluorescent lamp. iii. Replacement of Mercury/Sodium Vapour Lamp by Halides Lamp. iv. Replacing HPMV Lamps by High pressure sodium Vapour Lamp (HPSV) v. Replacing filament lamps on panels by LED.

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Following are the energy efficient lamps for Domestic Installation for replacing Lamps as follows: i) Replacing incandescent lamps (14 lumens/W) by Compact Fluorescent Lamps (CFL's) (70 to 90 lumens/W) ii) Replacing conventional fluorescent lamp (50 lumens/W) by energy efficient fluorescent lamp (70 to 90 lumens/W) iii) Replacing filament lamps (10 to 15 W) on panels by LEDs (< 1 W). Using LED lights in place of all other lamps above as feasible (in terms of cost) 

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