1.1 These requirements cover the individual unit employed to form assisted and independent living emergency call systems (ECS) intended to provide audible and visual signaling between residents and assisted and independent living facility staff. Some examples include call initiation stations, call notification stations, and power supplies.

1.2 The units covered by these requirements are intended to be installed in either general or resident areas in accordance with the National Electrical Code, NFPA 70.

1.3 These requirements are not intended to cover signaling systems in a hospital or acute/skilled care environment. Requirements for systems of this nature are covered by the Standard for Hospital Signaling and Nurse Call Equipment, UL 1069.