Below all criteria for Lighting System components are listed Lamps
To achieve maximum savings one should select the range of lamps that meet the quality requirements such as colour properties, light intensity, etc and then choose the lamp which has the highest efficacy within the group. Selection criteria are :
+  Luminous efficacy of lamps (lm/W ratio ? the higher the better)
+  Luminous flux and lumen depreciation over time
+  Damage factor
+  Colour parameters (colour rendering, colour temperature, colour shifting)
+  Average lamp life
Well known energy saving lamps with superior lighting qualities and life times: Compact fluorescent lamps instead of incandescent lamps 'TL'D Super /80 New Generation series instead of standard 'TL' lamps 'TL'5 CFL lamps instead of standard bulbs.
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