Tungsten lighting is also referred to as incandescent lighting. Tungsten color temperature is 3200K. A common type of tungsten lamp is called a halogen lamp. Halogen is a hot light source since the bulb must heat the regenerative tungsten. Tungsten lamps are efficient in their light output but care needs to be taken when using them due to the high heat of the lamps and housings.
Ref: 124169/2006-09-22

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