UL-681:2014 pdf free download – STANDARD FOR SAFETY Installation and Classification of Burglar and Holdup Alarm Systems.
3.48 STOCKROOM — A room with a complete physical boundary that is used for the storage of
materials, goods, records, or the like.
3.49 STREET OR HIGHWAY, PUBLIC — A road that is accessible by the public for vehicular traffic.
3.50 SWITCH (CONTACT) — A device complying with the Standard for Connectors and Switches for Use with Burglar-Alarm Systems, UL 634, and which is intended for use in protective circuits to supervise doors, windows, hatches, vents, trapdoors, and the like to initiate an alarm condition when activated. A switch is usually referred to as a contact. See 3.17.
3.51 TRANSOM — A fixed or movable window constructed of glazing material, either transparent, translucent, or opaque, mounted in a frame and located immediately above a door or show window.
3.52 TRAP — A conductor or device fastened between a building structure and a screen, stripping, foiled or wired panel, fan, removable air conditioner or heating unit, or similar device so that the two cannot be separated without initiating an alarm.
3.53 USER INTERFACE DEVICE — The part of an alarm system that enables an authorized user to arm and disarm the alarm system or portions of the system, manipulate the system operation or otherwise interact with the system from a point on the premises.
3.54 VAULT — A room constructed of iron, steel, brick, concrete, stone, tile, or similar masonry units permanently built into or assembled on the premises and having an iron or steel, or equivalent, door and frame with a combination lock. A vault may also consist of a door and modular panels constructed in compliance with the requirements in the Standard for Burglary Resistant Vault Doors and Modular Panels, UL 608.
3.55 VISIBLE (FROM PUBLIC STREET OR HIGHWAY) — Any point on a building up to 400 feet (122 m) from a public street or highway, that can be seen by an observer positioned on a public street or highway is considered “visible from the public street or highway.”
3.56 WIRE, FINE — Bare, hard-drawn, solid copper wire not larger than 24 AWG (0.21 mm2) or film- coated solid copper wire not larger than 26 AWG (0.13 mm2), or the equivalent.
3.57 WIRING, INSTALLATION — Alarm system wiring that is used to interconnect equipment (contacts, intrusion detection units, foil, sounding devices, controls, protective wiring, and the like) installed to form a burglar alarm system or holdup alarm system.
3.58 WIRING, OPEN (LACING) — A form of protective wiring consisting of bare, hard-drawn solid copper wire not larger than 24 AWG (0.21 mm2). This type of wiring may be used for protection under limited circumstances and must be mechanically supported at its ends with additional support at required intervals. See Open wiring, lacing and stapled wire, 9.2.
3.59 WIRING, PROTECTIVE — Conductor such as foil, fine wiring, open-wiring, grooved stripping, a screen, or other wiring that is installed on an opening or on a wall, floor, or ceiling to form protection within an alarm system.
4 General
4.1 Installation design for central station, mercantile, and proprietary systems
4.1.1 Details
4.1.1.1 An individual alarm system protecting a premises, stockroom, or stock cabinet shall provide a level of protection designated as Extent Number 1, as specified in 4.2.1.1; Extent Number 2, as specified in 4.2.2.1 and 4.2.2.2; or Extent Number 3, as specified in 4.2.3.1 一4.2.3.3; or Extent Number 4 as specified in 4.2.4.1 and 4.2.4.2. See Table 4.1.