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By Henry Nazar P.E. Jan. 21, 2020 NFPA 72 specifies the locations where, when provided, a two-way telephone communications equipment shall be installed. When provided, the telephone equipment is to be used by the fire service to communicate between an area of a building and a constantly attended location; such as the fire command station. Typically, when

By Henry Nazar P.E. — Nazar Engineering P.C. NFPA 72 10.15* Protection of Fire Alarm System. In areas that are not continuously occupied, automatic smoke detection shall beprovided at the location of each fire alarm control unit(s), notification appliance circuit power extenders, and supervising station transmitting equipment to provide notification of fire at that location.