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Lighting products
Industry: Lights & lighting
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Lighting products
seal temperature (maximum)
Lights & lighting; Lighting products
The maximum operating temperature of the seal of the lamp in Celsius.
self-ballasted lamps
Lights & lighting; Lighting products
A discharge lamp with an integral ballasting device allowing the lamp to be directly connected to a socket providing line voltage (See CFL).
series lamp operation
Lights & lighting; Lighting products
Refers to ballasts that employ a single current path passing through all lamps operated by the ballast. If one lamp should fail, companion lamps operated by the same ballasts will also extinguish or ...
source size
Lights & lighting; Lighting products
For Projection lamps, this is defined as the dimensions of the rectangular area, centered on the lamp axis, within which all luminous parts of the filament lie, when viewed perpendicular to the axis ...
spacing to mounting height ratio
Lights & lighting; Lighting products
Ratio of fixture spacing (distance apart) to mounting height above the work plane; sometimes called spacing criterion. It is OK to have fixture spaced closer than the spacing criterion suggested by ...
specification series (SP) colors
Lights & lighting; Lighting products
Energy-efficient, all-purpose, tri-phosphor fluorescent lamp colors that provide good color rendering. The CRI for SP colors is 70 or above and varies by specific lamp type.
