1 Scope

1.1 These requirements apply to:

1. a) Central-stations providing Central-Station Fire-Alarm Service and that may monitor Remote Supervising Station System type fire-alarm systems (OBJ2) as described in the National Fire Alarm and Signaling Code, NFPA 72;

2. b) Central-station burglar-alarm systems intended and specifically designated for burglary protection use at mercantile and banking premises, on mercantile safes and vaults, and on bank safes and vaults;

3. c) Central-stations that monitor burglar-alarm systems that are not central-station burglar-alarm-type as defined by this Standards;, (OBJ3);

4. d) Residential monitoring stations monitoring residential alarm systems;

5. e) Redundant sites;

6. f) Remote signal management centers; and

7. g) Hosted central-station service providers.

NOTE: Annex F explains the use of the reference to “OBJ” at the end of some paragraphs.

1.2 These requirements apply to monitoring stations that are intended to be located in buildings constructed in accordance with building codes, such as the Building Officials and Code Administrators (BOCA) National Building Code, the International Building Code, the Standard Building Code, and the Uniform Building Code.

1.3 The central-station burglar- and fire-alarm or residential alarm systems covered by these requirements are systems in which the operation of electrical protection circuits and devices are signaled automatically to, recorded in, and supervised from a central-station or residential monitoring station having trained operators on duty at all times.

1.4 Requirements covering the construction and operation of burglar-alarm units used in the burglar-alarm systems covered by this Standard are contained in the Standard for Commercial Premises Security Alarm Units and Systems, UL 2610.

Summary of Topics

This revision of ANSI/UL 827 dated May 14, 2025 replaces the revision dated May 12, 2025. Sections 37 – 39 were inadvertently deleted from the Standard and need to be added back in. These sections were in Topic 1 of the August 30, 2024 proposal bulletin and this topic failed during ballot.

The May 12, 2025 revisions included changes in the following requirements which are noted for reference:

– Remove Permanent Work from Home; Sections 37 – 39 (added back in with the May 14, 2025 revisions)

– Contracted Central-station Operators; 5.2.41, 18.3.2

– Remove (Informative) Annex F and references to Annex F in UL 827; 1.1, 1.5, 1.6, 5.2.22, 5.2.45, Table 17.5, 18.1 – 18.6, 19.1 – 19.5, 19.8.2.2, 20.1.2, 20.11.1.1, 20.2 – 20.5, Section 21, 25.3, Section 30, Annex F (deleted)

– Editorial clean up; 14.1, 14A.1, 14.13A, 14.14A, 17.4.2