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A contemporary chandelier in the Galt House in Louisville, Kentucky.

The chandelier in the lobby of the Hotel del Coronado.

A chandelier is a ceiling-mounted fixture with two or more arms bearing lights. Modern chandeliers are often very ornate, containing dozens of lamps and complex arrays of glass shapes to illuminate the room in many intricate patterns.

Structurally, chandeliers may be much heavier than other ceiling light fixtures. Some may require special attachments to the ceiling and specially reinforced ceilings. Many do not require special supports and can be directly attached to the electrical box like any other fixture. Instead they specify that the electrical box be specially reinforced. This reinforcement can typically only be done at the time of the installation of the box. Subsequent installations of a chandelier may require extensive renovations.

Illustration of a medieval chandelier from King René's Tournament Book

The earliest chandeliers were used in medieval churches and abbeys to efficiently illuminate large halls. They generally took the form of a wooden cross with a number of spikes on which candles could be secured, the whole assembly being hoisted to a suitable height on a rope suspended from a hook once lit.

From the 15th century, more complex forms of chandeliers based on ring or crown designs began to become popular decorative features, found in palaces and the homes of the very wealthy. The fixture's popularity as a status symbol continued to grow. By the early 18th century, ornate cast brass forms with long, curved arms and many candles could be found in the homes of most of the merchant classes.

Developments in glassmaking in the 18th century allowed the cheaper production of lead crystal. The light-scattering properties of this highly refractive glass quickly became a popular addition to the form, leading to the Crystal Chandelier.

The world's biggest chandelier is located in Dolmabahce Palace, Turkey. It was a gift from Britain to His Imperial Majesty, The Emperor of the Ottomans.

This 30ft high, blown glass, chandelier by Dale Chihuly is installed in the rotunda of the Victoria and Albert Museum, London.

More complex and elaborate forms of chandelier continued to developed throughout the 18th and 19th centuries until the widespread introduction of first gas then electrical lighting devalued this traditional form of lighting's appeal.

Towards the end of the 20th century, the chandelier is used more as a decorative focal point for a room and may not give any illumination.

One famous chandelier is the chandelier in the Opera Garnier which in the 1910 Gaston Leroux novel The Phantom of the Opera is crashed by the Phantom.

The largest chandelier in the world is that of Sultan Qaboos Grand Mosque in Oman. It weighs 8.5 tons. The chandelier is made of Swarovski crystal with gold plated metalwork, and hangs down for a length of 14 meters. It has a diameter of 8m to go with this height, making the size of the chandelier comparable to a five-story apartment block or block of flats. It contains staircases and platforms, necessary for maintenance, and has 1,200 dimmable halogen lamps triggered by more than 36 switching circuits. Given that the height of the ceiling in the main minaret is 90 metres, this huge chandelier is probably actually the most efficient way of lighting up the entire space!^[1]

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Chandeliers

• Candle
• Candelabra
• Light fixture

1. ^ 7 Biggest chandeliers in the world (English). Architectural Classics. Retrieved on May 29, 2007.