[6.5.3.1] A high intensity discharge (HID) lamp in which light is produced by radiation from sodium vapor operating at a partial pressure of about 1.33 x 104 Pa (100 Torr). Includes clear and diffuse-coated lamps.
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[6.5.3.1] A high intensity discharge (HID) lamp in which light is produced by radiation from sodium vapor operating at a partial pressure of about 1.33 x 104 Pa (100 Torr). Includes clear and diffuse-coated lamps.
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