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Technical Characteristics

• Filament Designation

  2c-2r

• Emitted Light Characteristic

  white

• Wattage Rating

  50.000 watts and 100.000 watts and 150.000 watts

• Base Style

  a4a three contact medium screw

• Bulb Designator

  a-25

• Bulb Light Transmission Characteristic

  translucent

• Overall Length

  5.938 inches maximum

• Light Output Rating

  1270.000 lumens nominal 2nd rating

• Light Output Rating

  1770.000 lumens nominal 3rd rating

• Light Output Rating

  500.000 lumens nominal 1st rating

• Average Life Rating In Hours

  2000.0 and 3000.0

• Filament Heavy Duty Service Rating

  not rated

• Voltage Rating

  120.000 volts minimum and 125.000 volts maximum

• Bulb Style

  b1 a

• Current Rating For Which Designed

  not rated

• Rated Average Life

  hours

• Burning Position

  any acceptable