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.
source: CGD 74-125A, 47 FR 15272, Apr. 8, 1982, unless otherwise noted.
cite as: 46 CFR 113.35-13