---
kind: "section"
citation: "47 C.F.R. § 17.54"
title: "47"
number: "17.54"
heading: "Rated lamp voltage."
url: "https://uscodex.org/cfr/47/17.54"
---

# §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.


## Notes

### Amendments

[42 FR 54826, Oct. 11, 1977]

### Authority

Authority: 47 U.S.C. 154, 301, 303, 309.

### Amendments

[42 FR 54826, Oct. 11, 1977]
