[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR196.37-25] [Page 407] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 196--OPERATIONS--Table of Contents Subpart 196.37--Markings for Fire and Emergency Equipment, etc. Sec. 196.37-25 Emergency lights. (a) All emergency lights shall be marked with a letter ``E'' at least \1/2\ inch high.