UL 864

Please note: All interim revisions for this edition available at time of your purchase will be included.

Control Units and Accessories for Fire Alarm Systems
UL 864
1 Scope
1.1 These requirements cover:

• Discrete electrical control units and accessories for fire alarm systems;
• Electrically- and electronically-operated amplifiers that provide speech communication and distinctive sounds in conjunction with fire protective signaling systems; and
• Commercial stationary and fixed power supplies for fire-protective signaling systems, having input and output ratings of not more than 600 V, direct- and alternating-current, (DC and AC).

1.2 These requirements cover products to be employed in accordance with the following National Fire Protection Association (NFPA) Standards:

• Carbon Dioxide Extinguishing Systems, NFPA 12;
• Halon 1301 Fire Extinguishing Systems, NFPA 12A;
• Installation of Sprinkler Systems, NFPA 13
• Water Spray Fixed Systems for Fire Protection, NFPA 15;
• Installation of Foam-Water Sprinkler and Foam-Water Spray Systems, NFPA 16;
• Dry Chemical Extinguishing Systems, NFPA 17;
• Wet Chemical Extinguishing Systems, NFPA 17A;
• National Electrical Code, NFPA 70;
• National Fire Alarm Code, NFPA 72;
• Standard for Smoke Control Systems, NFPA 92;
• Standard for Water Mist Fire Protection Systems, NFPA 750;
• Clean Agent Fire Extinguishing Systems, NFPA 2001; and
• Standard for Fixed Aerosol Fire Extinguishing Systems, NFPA 2010.

1.3 The products covered by this standard are intended to be used in combination with other appliances and devices to form a commercial fire alarm system. These products provide all monitoring, control, and indicating functions of the system. An installation document(s) provided with the product describes the various products needed to form a fire alarm system and their intended use and installation.

1.4 These requirements do not cover:

• Manual boxes, automatic fire detectors, abort stations, manual releasing stations, or other initiating devices; nor do they cover notification appliances not provided as part of the product.
• Commercial sound equipment for institutional and industrial use or theater equipment. Commercial sound equipment is covered by the Standard for Audio, Video, and Similar Electronic Apparatus-Safety Requirements, UL 60065.
• Commercial power supplies covered by the Standard for Power Units Other Than Class 2, UL 1012, or commercial battery chargers covered by the Standard for Battery Chargers for Charging Engine-Starter Batteries, UL 1236.

1.5 These requirements do not include determination of compliance with regulations of the Federal Communications Commission (FCC). Should products covered by these requirements be required to comply with FCC regulations, a report of verification from the manufacturer is required as evidence of such compliance.