[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR111.99-3] [Page 243] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 111_ELECTRIC SYSTEMS_GENERAL REQUIREMENTS--Table of Contents Subpart 111.99_Fire Door Holding and Release Systems Sec. 111.99-3 Definitions. As used in this subpart-- Central control panel means a manually-operated device on the navigating bridge or in the fire control room for releasing one or more fire doors. Fire door means a door that is in a fire boundary, such as a stairway enclosure or main vertical zone bulkhead, that is not usually kept closed. Fire door holding magnet means an electromagnet for holding a fire door open. Local control panel means a manually-operated device next to a fire door for releasing the door so that the fire door self-closing mechanism may close the door. [CGD 94-108, 61 FR 28284, June 4, 1996; 61 FR 33045, June 26, 1996; as amended by USCG-2004-18884, 69 FR 58348, Sept. 30, 2004]