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 Watt GU10 LED Spotlight - Pack of 8 (1 Supplier)
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4 Watt MR16 LED Bulb - Pack of 8 (1 Supplier)
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4 Watt MR16 LED Bulb - Wide Beam Angle (1 Supplier)
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4W COB 230lm 2700k Warm White LED Non-Dimmable GU10 Lamp Light Bulb (1 Supplier)
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4W COB 250lm 6500k Cool White LED Non-Dimmable GU10 Lamp Light Bulb (1 Supplier)
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4W GX53 LED Silver Surface Under-Cabinet Under-Cupboard Kitchen Light (1 Supplier)
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4w GX53 LED Surface Under Cabinet Downlight - White (1 Supplier)
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4W GX53 Warm White LED Surface Under Cabinet Downlight - Silver (1 Supplier)
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4W LED 50mm Non-Dimmable GU10 Lamp Light Bulb - Cool White (1 Supplier)
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4W LED 50mm Non-Dimmable GU10 Lamp Light Bulb - Daylight White (1 Supplier)
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4W LED 50mm Non-Dimmable GU10 Lamp Light Bulb - Warm White (1 Supplier)
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4W LED Under Cabinet Link Light - 343mm (1 Supplier)
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4W White LED Linear Connectable Dimmable Under-Cabinet Strip Light (1 Supplier)
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4 x LED Kitchen/Under Cabinet Modern Chrome Plinth Light Kit - Blue (1 Supplier)
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4 x LED Kitchen/Under Cabinet Modern Chrome Plinth Light Kit - White (1 Supplier)
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50 Multi-Function Battery Timer LED Christmas Fairy Lights - (1 Supplier)
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50 Multi-Function Battery Timer LED Christmas Fairy Lights - Cool (1 Supplier)
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50 Watt Dimmable LED Transformer/Driver for Powering 12 volt LED Lighting - Dimmable (1 Supplier)
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50 Watt LED Transformer/Driver for Powering 12 volt LED Lighting (1 Supplier)
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5.5 Watt - R63 (E27) Reflector LED Bulb (1 Supplier)
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5.5W ES 420lm 3000k Warm White SMD LED 664 Reflector Light Bulb Lamp (1 Supplier)
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5.5W LED GU10 Spotlight Bulb - Cool White (1 Supplier)
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5.5W LED GU10 Spotlight Bulb - Warm White (1 Supplier)
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55w MCOB LED High Bay Fitting (1 Supplier)
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5ft 58W Linear Fluorescent Lighting Ballast (1 Supplier)
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