[6.1.3]
A reflector lamp in which the outer bulb is formed of two pressed parts that are fused or sealed together; namely, a reflectorized bowl and a cover that may be clear or patterned for optical control and having a non-replaceable light source.
Note 1: The construction of sealed-beam lamps gives a more closely controlled beam of light than ordinary reflector lamps.
Note 2: The source of light for a sealed-beam lamp may be LEDs, an incandescent filament, a halogen capsule, or an electric discharge metal halide arc tube.
Note 3: Sealed-beam lamps are sometimes called pressed reflector lamps or PAR lamps with the same meaning.
NOTE: This definition was changed in RP-16-17 Addendum 4.
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