Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 9 - Fire Protection Systems
Section 907 - FIRE ALARM AND DETECTION SYSTEMS
Subsection 907.6 - Installation
Current through Register 1531, September 27, 2024
A fire alarm system shall be installed in accordance with this section and NFPA 72. [F]
907.6.1 Wiring. Wiring shall comply with the requirements of NFPA 70 and NFPA 72. Wireless protection systems utilizing radio-frequency transmitting devices shall comply with the special requirements for supervision of low-power wireless systems in NFPA 72. [F]
907.6.2 Power supply. The primary and secondary power supply for the fire alarm system shall be provided in accordance with NFPA 72. [F]
Exception: Back-up power for single-station and multiple-station smoke alarms as required in Section 907.2.11.4.
907.6.3 Zones. Each floor shall be zoned separately and a zone shall not exceed 22,500 square feet (2090 m2). The length of any zone shall not exceed 300 feet (91 440 mm) in any direction. [F]
Exception: Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13.
907.6.4 Access. Access shall be provided to each fire alarm device and notification appliance for periodic inspection, maintenance and testing. [F]
907.6.5 Monitoring. Fire alarm systems required by this chapter or by the International Fire Code shall be monitored by an approved supervising station in accordance with NFPA 72. [F]
Exception: Monitoring by a supervising station is not required for: