UL 1641-2020 pdf download

UL 1641-2020 pdf download.Installation and Classification of Residential Burglar Alarm Systems.
3 Units of Measurement 3.1 When a value for measurement is followed by a value in other units in parentheses, the first stated value is the requirement. 4 Undated References 4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 5 Glossary 5.1 For the purpose of this standard the following definitions apply. 5.2 ALARM i DETECTION – Equipment and wiring that is installed to provide electronic alarm i detection within an alarm system. 5.3 AREA, INACCESSIBLE – An area in which people can not freely move about, such as crawl spaces and the like. 5.4 BOUNDARY, PHYSICAL – A barrier, such as a wall, ceiling, floor, partition, window, or door, that encloses the protected area. 5.5 COMBINATION SYSTEM – An alarm system that provides both burglary and fire i detection. The alarm system may also provide additional supervisory circuits, such as medical alert, police call, basement flooding and the like. 5.6 CONTACT – A device installed on a movable opening complying with the Standard for Connectors and Switches for Use with Burglar-Alarm Systems, UL 634, and that initiates an alarm. 5.7 INTRUSION DETECTION DEVICE – An acoustic or shock type glass breakage detector, photoelectric beam, sound detector, vibration detector, or motion detector complying with the Standard for Intrusion-Detection Units, UL 639, designed to detect the penetration or attempted penetration of an intruder through the perimeter of the premise, or the presence, movement, sound or other activity of an intruder within the premise.
5.13 OPENING, MANHOLE SIZE – An opening with a clear cross-section area of 96 square inches (619 cm 2 ) or more, and with the smallest dimension exceeding 6 inches (152 mm). 5.14 PROTECTION OF AN OPENING, COMPLETE – Alarm protection applied to a fixed or movable opening, plus contacts installed on a movable opening. A screen over an opening is considered complete protection of an opening. See also 15.4.1. 5.15 PROTECTION OF AN OPENING, PARTIAL – Contacts installed on a movable opening; or an intrusion detection device installed so as to detect entry through the opening. See also 15.4.1. 5.16 RESIDENCE – Any dwelling in which people reside. 5.17 RESIDENTIAL ALARM – A burglar alarm system used in a residence. i 5.18 Deleted i 5.19 SERVICE CENTER – A location that may be separate from the alarm service company’s main business location providing installation, maintenance, and repair service to systems served by the company. The service center is to keep maintenance records for the systems that it serves unless the records can be accessed from another location. 5.20 SERVICE VEHICLE – A vehicle that is used to provide installation, maintenance, and repair service to systems served by the company. 5.21 SOUNDING DEVICE – An audible signal appliance used to signal unauthorized entry into a protected area. 5.22 Deleted i 5.22A WINDOW SCREEN – A screen with the circuit wire secured to the mesh and frame, and complying with the Standard for Linings and Screens for Use with Burglar- Alarm Systems, UL 606. 5.23 Deleted i 5.24 WIRING, INTERCONNECTING – Those conductors used to interconnect protective devices in a burglar alarm system.
8 General 8.1 Details 8.1.1 An individual alarm system protecting an entire residence or a portion thereof shall be identified as expanded or basic (see 8.2.1 and 8.3.1). The alarm system may or may not include fire or supervisory alarm protection. 8.1.2 The fire protection portion of a combination system shall comply with the requirements of Chapter 29 of the National Fire Alarm and Signaling Code, NFPA 72. 8.2 Basic protection 8.2.1 Basic protection shall consist of: a) Contacts on all movable accessible openings; or b) Contacts on all accessible exterior doors and: 1) A motion detection device in one or more selected areas; 2) A photoelectric beam or motion detector across one or more hallways, stairways, rooms, or the like; 3) A floor mat in one or more selected areas, such as a hallway, stairway, room entrance, and the like; or 4) A contact on one or more interior doors leading from one area of the residence to another. UL 1641-2020 pdf download.