Section 28.10 - EMERGENCY COMMUNICATIONSWhere a service location is maintained in a building, a two-way emergency communication system shall be provided between the elevator car and the service location.
28.10.1 The highest operable part of a two-way communication system shall be a maximum of 48 inches (48" = 1219mm) from the floor of the car.28.10.2 It shall be identified by a raised symbol and lettering complying with 521 CMR 41.00, SIGNAGE, and located adjacent to the device.28.10.3 The emergency intercommunication system shall not require voice communication. Lights that indicate that emergency contact has been made and is being responded to would meet this requirement.28.10.4 If the system uses a handset, the length of the cord from the panel to the handset shall be at least 29 inches (29" = 737mm). Said handsets shall be equipped with hearing amplification.28.10.5 If the system is located in a closed compartment the compartment door hardware shall conform to 521 CMR 39.00, CONTROLS.