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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3.5W GU10 240lm 3000K Warm White LED Dimmable 50mm PAR Light Bulb Lamp (1 Supplier)
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3.5W GU10 240lm 4000K White LED Dimmable 50mm PAR Light Bulb Lamp (1 Supplier)
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3.8 Watt - B15 LED Candle Shape Bulb (1 Supplier)
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3.8 Watt - B15 LED Golf Ball Shape Bulb (1 Supplier)
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3.8 Watt - E27 LED Golf Ball Shape Bulb (1 Supplier)
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3.9 Watt - MR16/GU5.3 LED Bulb (1 Supplier)
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3ft 30W T8 Triphosphor Fluorescent Tube - White (1 Supplier)
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3 Watt - E27 LED Candle Shape Bulb - Dimmable (1 Supplier)
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3 Watt GU10 LED Bulb - Directional Beam Angle (1 Supplier)
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3 Watt MR16 LED Bulb - Directional Beam Angle (1 Supplier)
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3W SMD LED Chrome Magnified Bathroom Vanity Make-Up Shaving Mirror (1 Supplier)
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3W Warm White LED Black IP65 Outdoor Garden Spotlight Spike Light (1 Supplier)
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3 x 0.72W LED Round Surface/Recess Under Cabinet Light Kit C/w (1 Supplier)
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3x 1.5w Triangular LED Undercabinet Lighting Kit - Brushed Chrome (1 Supplier)
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40 Watt High Output 300 x 1200 LED Panel (1 Supplier)
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40 Watt High Output 595 x 595 LED Panel (1 Supplier)
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40W Fluorescent Polished Chrome IP44 Circular Bathroom Ceiling Light (1 Supplier)
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40W LED Recessed Modular Ceiling Light Panel Fitting 600 x 600mm (1 Supplier)
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40W White LED Recessed Modular Ceiling Light Panel Fitting 600 x 600mm (1 Supplier)
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4.5W 120° SMD LED 50mm MR16 Non-Dimmable Lamp Light Bulb - Cool White (1 Supplier)
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4.5W 120° SMD LED 50mm MR16 Non-Dimmable Lamp Light Bulb - Warm White (1 Supplier)
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4.5 Watt - B15 LED Candle Shape Bulb (1 Supplier)
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4.5 Watt - B15 LED Golf Ball Shape Bulb (1 Supplier)
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4.5 Watt - B22 LED Candle Shape Bulb (1 Supplier)
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4.5 Watt - B22 LED Golf Ball Shape Bulb (1 Supplier)
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