Current through Register Vol. 55, No. 1, January 4, 2025
Section 7.430 - Communications(a) A communication system shall be provided. The following types of communication are recommended for major installations: (1) Terminal-to-terminal two-way telephone or radiophone communication independent of all other forms of communication.(2) Two-way telephone communication or radiophone communication from operating room to all attended tramcars and to the opposite terminal platform.(3) Two-way pushbutton signal (buzzer system) communication from the operating room to all attended tramcars and to the opposite terminal.(b) A reduction of the system of communication for less important installations may be approved by the authority having jurisdiction. This section cited in 34 Pa. Code § 7.421 (relating to definitions); 34 Pa. Code § 7.422 (relating to applicability); and 34 Pa. Code § 7.431 (relating to signs).