{"id":693703,"date":"2024-11-06T05:33:58","date_gmt":"2024-11-06T05:33:58","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ul-25252020\/"},"modified":"2024-11-06T05:33:58","modified_gmt":"2024-11-06T05:33:58","slug":"ul-25252020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ul\/ul-25252020\/","title":{"rendered":"UL 2525:2020"},"content":{"rendered":"

1 Scope<\/b><\/p>\n

\n

1.1 These requirements cover:<\/p>\n

    \n
  1. \n

    a) Discrete electrical products for rescue assistance two-way emergency communication systems, e.g. remote communications stations, master control units and accessories.<\/p>\n<\/li>\n

  2. \n

    b) Electrically- and electronically-operated amplifiers that provide speech communication and distinctive sounds in conjunction with rescue assistance two-way emergency communication systems; and<\/p>\n<\/li>\n

  3. \n

    c) Commercial stationary and fixed power supplies for rescue assistance two-way emergency communication systems, having input and output ratings of not more than 600 V, direct- and alternating-current, (DC and AC).<\/p>\n<\/li>\n<\/ol>\n

    1.2 These requirements cover products to be employed in accordance with the following Codes and Standards:<\/p>\n

      \n
    1. \n

      a) National Electrical Code, NFPA 70;<\/p>\n<\/li>\n

    2. \n

      b) National Fire Alarm and Signaling Code, NFPA 72;<\/p>\n<\/li>\n

    3. \n

      c) Life Safety Code, NFPA 101;<\/p>\n<\/li>\n

    4. \n

      d) International Building Code (IBC)\/International Fire Code (IFC);<\/p>\n<\/li>\n

    5. \n

      e) Building Construction and Safety Code, NFPA 5000;<\/p>\n<\/li>\n

    6. \n

      f) Fire Code, NFPA 1.<\/p>\n<\/li>\n<\/ol>\n

      \n

      1.3 The products covered by this standard are intended to be used in combination with other devices to form a rescue assistance two-way emergency communication 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 rescue assistance two-way emergency communication system and their intended use and installation. This standard includes systems used for emergency communication in the following situations:<\/p>\n

        \n
      1. \n

        a) Exit stairs, stairways, or stair landings (Stairway Communications Systems)<\/p>\n<\/li>\n

      2. \n

        b) Elevator lobbies and landings (Elevator Landing Communications Systems)<\/p>\n<\/li>\n

      3. \n

        c) Occupant evacuation elevator lobbies (Occupant Evacuation Elevator Lobby Communications Systems)<\/p>\n<\/li>\n

      4. \n

        d) Area(s) of Rescue Assistance or Area(s) for Assisted Rescue Communications Systems<\/p>\n<\/li>\n

      5. \n

        e) Area(s) of Refuge Communications Systems<\/p>\n<\/li>\n

      6. \n

        f) Other similar two-way emergency communications systems<\/p>\n<\/li>\n<\/ol>\n

        1.4 These requirements do not cover:<\/p>\n

          \n
        1. \n

          a) Other initiating devices; nor do they cover notification appliances not provided as part of the product.<\/p>\n<\/li>\n

        2. \n

          b) Emergency Responder Communications Enhancement Systems, UL 2524<\/b>,<\/p>\n<\/li>\n

        3. \n

          c) Communication systems, which are covered by the Standard for Hospital Signaling and Nurse Call Equipment, UL 1069<\/b>.<\/p>\n<\/li>\n

        4. \n

          d) Communication systems covered by the Standard for Emergency Call Systems for Assisted Living and Independent Living Facilities, UL 2560<\/b>.<\/p>\n<\/li>\n

        5. \n

          e) Fire alarm, emergency voice\/alarm communication systems, and two-way in-building wired emergency services communication systems covered by the Standard for Control Units and Accessories for Fire Alarm Systems, UL 864<\/b>.<\/p>\n<\/li>\n<\/ol>\n

          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.<\/p>\n","protected":false},"excerpt":{"rendered":"

          Two-Way Emergency Communications Systems for Rescue Assistance<\/b><\/p>\n\n\n\n\n
          Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
          UL<\/b><\/a><\/td>\n2020-06-12<\/td>\n136<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":693713,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2680],"product_tag":[],"class_list":{"0":"post-693703","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ul","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/693703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/693713"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=693703"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=693703"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=693703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}