Bulbs and Tubes
As part of the electricity system delivering artificial light to the interior and exterior of buildings, bulbs and tubes are replaceable components that are fitted into light fittings. The size and lighting capacity of bulbs and tubes vary in strength and how much light they cast. Light bulbs come in a variety of types. Incandescent bulbs have a filament, often made of tungsten, set in a vacuum or inert gas. Halogen bulbs are more efficient whilst gas discharge bulbs include fluorescent light. They are being replaced by compact fluorescent light (or CFL). Light-emitting diodes (or LED) are now also being used for bulbs. Tubes can trap both natural and artificial light for distribution purposes. One type of tube is a light bulb with reflective material, which leads light through a roof structure. Optical fibre tubes use a parabolic collector to track the sun. Other categories of tubes are transparent hollow light guides and fluorescent-based systems, which capture ultraviolet light. Light bulbs and tubes are found in any building to ensure the correct amount of illumination. The unique properties of tubes mean they are more likely to be found in larger commercial buildings since they can concentrate natural light.
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0.5W 3 LED Plug-in Automatic Dusk to Dawn Night Light Safety Light (1 Supplier)
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0.5W LED Coloured BC Golf Ball/Festoon Lamp Bulb - Blue (1 Supplier)
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0.5W LED Coloured BC Golf Ball/Festoon Lamp Bulb - Green (1 Supplier)
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0.5W LED Coloured BC Golf Ball/Festoon Lamp Bulb - Orange (1 Supplier)
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0.5W LED Coloured BC Golf Ball/Festoon Lamp Bulb - Red (1 Supplier)
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0.5W LED Coloured BC Golf Ball/Festoon Lamp Bulb - White (1 Supplier)
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0.5W LED Coloured BC Golf Ball/Festoon Lamp Bulb - Yellow (1 Supplier)
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0.5W LED Coloured ES Golf Ball/Festoon Lamp Bulb - Blue (1 Supplier)
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0.5W LED Coloured ES Golf Ball/Festoon Lamp Bulb - Green (1 Supplier)
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0.5W LED Coloured ES Golf Ball/Festoon Lamp Bulb - Orange (1 Supplier)
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0.5W LED Coloured ES Golf Ball/Festoon Lamp Bulb - Red (1 Supplier)
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0.5W LED Coloured ES Golf Ball/Festoon Lamp Bulb - White (1 Supplier)
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0.5W LED Coloured ES Golf Ball/Festoon Lamp Bulb - Yellow (1 Supplier)
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0.7W Cool White LED Stainless Steel Driveway Outdoor Ground Light (1 Supplier)
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1000 Watt Twilight Photocell - With Timer (1 Supplier)
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100 Coloured LED 10cm Berry Timer Green Cable Christmas Fairy Lights (1 Supplier)
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100 Cone Multi-Function Faceted LED Outdoor Christmas Lights - Blue (1 Supplier)
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100 Cool White LED 10cm Berry Timer Green Cable Christmas Fairy Lights (1 Supplier)
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100 Red LED 10cm Berry Timer Green Cable Christmas Fairy Lights (1 Supplier)
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100 Static LED Connectable Christmas Fairy Light Set - Blue (1 Supplier)
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100 Warm White LED 10cm Berry Timer Green Cable Christmas Fairy Lights (1 Supplier)
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100 Watt LED High Bay (E39) 250w Replacement - Cool White (1 Supplier)
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100 Watt LED Low Bay Light - 250w Replacement - Cool White (1 Supplier)
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10.3W LED IP65 Indoor Outdoor Bulkhead Light C/w Red & Clear Diffusers (1 Supplier)
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10.5W LED B22 Bayonet Standard GLS Bulb - Warm White Frosted (1 Supplier)
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