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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4.5 Watt - E14 LED Candle Shape Bulb (1 Supplier)
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4.5 Watt - E14 LED Golf Ball Shape Bulb (1 Supplier)
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4.5 Watt - E27 LED Candle Shape Bulb (1 Supplier)
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4.5 Watt - E27 LED Golf Ball Shape Bulb (1 Supplier)
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4.5 Watt - G9 High Power LED Bulb (1 Supplier)
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4.5 Watt GU10 LED - Wide Beam Angle - 320/350 Lumens (1 Supplier)
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4.5 Watt GU10 LED - Wide Beam Angle - Pack of 8 (1 Supplier)
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4.6 Watt - R50 Reflector LED Bulb (1 Supplier)
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48\ 36W T8 High Frequency Fluorescent Under Cabinet Kitchen Link Light" (1 Supplier)
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4ft 36W Linear Fluorescent Lighting Ballast (1 Supplier)
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4ft 36W T8 Triphosphor Fluorescent Tube - Cool White (1 Supplier)
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4ft 36W T8 Triphosphor Fluorescent Tube - Daylight (1 Supplier)
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4ft 36W T8 Triphosphor Fluorescent Tube - White (1 Supplier)
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4 Pack 6.5W LED E27 Screw Standard GLS Bulb - Warm White Frosted (1 Supplier)
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4 Pack 6.7W LED B15 Bayonet Golfball Bulb - Warm White Clear (1 Supplier)
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4 Pack 6.7W LED B22 Bayonet Candle Bulb - Warm White Clear (1 Supplier)
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4 Pack 6.7W LED B22 Bayonet Candle Bulb - Warm White Frosted (1 Supplier)
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4 Pack E14 Screw LED Bulb 5W Candle (35W Equivalent) 396 Lumen - Warm White Frosted (1 Supplier)
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4 Pack E14 Small Screw LED 5.5W Candle Bulb (40W Equivalent) 470 Lumen - Warm White Frosted (1 Supplier)
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4 Pack of B22 Bayonet LED Bulb 3.8W Candle (30W Equivalent) 320 Lumen - Warm White Frosted (1 Supplier)
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4 Pack of B22 Bayonet LED Standard GLS Bulb 6.5W (40W Equivalent) 470 Lumen - Warm White Frosted (1 Supplier)
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4 Pack of E14 Screw LED Golfball Bulb 5W (35W Equivalent) 396 Lumen - Warm White Frosted (1 Supplier)
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4 Piece LED Strip Kit - 4 x 30cm (1 Supplier)
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4 Piece LED Strip Kit - 4 x 60cm (1 Supplier)
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4 Watt GU10 LED Bulb - Wide Beam Angle (1 Supplier)
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