[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: 46CFR113.35-13] [Page 271] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 113_COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT--Table of Contents Subpart 113.35_Engine Order Telegraph Systems Sec. 113.35-13 Mechanical engine order telegraph systems; operation. If more than one transmitter operates a common indicator in the engineroom, all the transmitters must be mechanically interlocked and operate in synchronism. A failure of the transmission wire or chain at any transmitter must not interrupt or disable any other transmitter.