[Code of Federal Regulations]
[Title 47, Volume 1]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 47CFR17.54]

[Page 782]
 
                       TITLE 47--TELECOMMUNICATION
 
              CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION
 
PART 17--CONSTRUCTION, MARKING, AND LIGHTING OF ANTENNA STRUCTURES--Table of Contents
 
   Subpart C--Specifications for Obstruction Marking and Lighting of 
                           Antenna Structures
 
Sec. 17.54  Rated lamp voltage.

    To insure the necessary lumen output by obstruction lights, the 
rated voltage of incandescent lamps used shall correspond to be within 3 
percent higher than the voltage across the lamp socket during the normal 
hours of operation.

[42 FR 54826, Oct. 11, 1977]