{"id":693788,"date":"2024-11-06T05:34:16","date_gmt":"2024-11-06T05:34:16","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ul-26832020\/"},"modified":"2024-11-06T05:34:16","modified_gmt":"2024-11-06T05:34:16","slug":"ul-26832020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ul\/ul-26832020\/","title":{"rendered":"UL 2683:2020"},"content":{"rendered":"

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

\n

1.1 These requirements cover indoor fixed electric heating systems for use on system voltages not exceeding 600 V.<\/p>\n<\/p>\n

\n

1.2 The heating systems covered by this Standard are intended for installation in accordance with the National Electrical Code, NFPA 70, Article 424.<\/p>\n<\/p>\n

\n

1.3 These requirements cover the following electric heating systems:<\/p>\n

    \n
  1. \n

    a)\u00a0Heating cable systems;<\/p>\n<\/li>\n

  2. \n

    b)\u00a0Heating mat systems;<\/p>\n<\/li>\n

  3. \n

    c)\u00a0Heating panel systems;<\/p>\n<\/li>\n

  4. \n

    d)\u00a0Modular flooring heating systems; and<\/p>\n<\/li>\n

  5. \n

    e)\u00a0Low voltage systems including power units.<\/p>\n<\/li>\n

  6. \n

    With the following types of insulated heating elements:<\/p>\n<\/li>\n

  7. \n

    f)\u00a0Heating cable elements;<\/p>\n<\/li>\n

  8. \n

    g)\u00a0Laminate elements; and<\/p>\n<\/li>\n

  9. \n

    h)\u00a0Flat strip elements.<\/p>\n<\/li>\n

  10. \n

    Of the following types:<\/p>\n<\/li>\n

  11. \n

    i)\u00a0Constant wattage elements;<\/p>\n<\/li>\n

  12. \n

    j)\u00a0Self-regulating elements; and<\/p>\n<\/li>\n

  13. \n

    k)\u00a0Low voltage elements. <\/p>\n<\/li>\n<\/ol>\n

    \n

    1.4 These requirements cover electric heating systems permanently installed as follows:<\/p>\n

      \n
    1. \n

      a)\u00a0WOOD SUBFLOORS \u2013 Installed above (on top of) or under (adjacent to rafters or joists);<\/p>\n<\/li>\n

    2. \n

      b)\u00a0CONCRETE SUBFLOORS \u2013 Installed above (on top of), inside (embedded), or under (in earth or sand bed);<\/p>\n<\/li>\n

    3. \n

      c)\u00a0CEILINGS \u2013 Installed inside (embedded), above (attic or between floors of a building adjacent to ceiling rafters or joists), or under (room side);<\/p>\n<\/li>\n

    4. \n

      d)\u00a0In WET LOCATIONS \u2013 Locations where the heating element may be subject to saturation with water after installation;<\/p>\n<\/li>\n

    5. \n

      e)\u00a0Embedded systems;<\/p>\n<\/li>\n

    6. \n

      e)\u00a0Underneath and in direct contact with floor coverings (non-embedded), while above wood or concrete subfloors;<\/p>\n<\/li>\n

    7. \n

      f)\u00a0Modular flooring heating systems installed above wood or concrete subfloors; and<\/p>\n<\/li>\n

    8. \n

      g)\u00a0Shower benches.<\/p>\n<\/li>\n<\/ol>\n

      \n

      1.5 These requirements do not cover electric heating systems that are covered under the following standards:<\/p>\n

        \n
      1. \n

        a)\u00a0Electrical Resistance Heat Tracing for Commercial and Industrial Applications, UL 515<\/b>;<\/p>\n<\/li>\n

      2. \n

        b)\u00a0Movable and Wall- or Ceiling-Hung Electric Room Heaters, UL 1278<\/b>;<\/p>\n<\/li>\n

      3. \n

        c)\u00a0Fixed and Location-Dedicated Electric Room Heaters, UL 2021<\/b>; and<\/p>\n<\/li>\n

      4. \n

        d)\u00a0Electric Heating Appliances, UL 499<\/b>.<\/p>\n<\/li>\n<\/ol>\n

        1.6 These requirements do not cover the following products:<\/p>\n

          \n
        1. \n

          a)\u00a0Heating systems connected to the supply by use of a flexible cord with attachment plug;<\/p>\n<\/li>\n

        2. \n

          b)\u00a0Heating systems that are portable or easily moved after installation;<\/p>\n<\/li>\n

        3. \n

          c)\u00a0Heating systems with integral means of producing air flow;<\/p>\n<\/li>\n

        4. \n

          d)\u00a0Heating systems intended for snow melting\/deicing or pipe maintenance;<\/p>\n<\/li>\n

        5. \n

          e)\u00a0Heating systems intended to be installed outdoors; and<\/p>\n<\/li>\n

        6. \n

          f)\u00a0Heating systems intended to be installed in a dropped or suspended ceiling.<\/p>\n<\/li>\n<\/ol>\n

          1.7 These requirements do not cover the use of electrical heating systems installed in environmental air-handling spaces.<\/p>\n

          \n

          1.8 These requirements do not cover surface burning characteristics performance requirements that may be required by building codes.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

          Electric Heating Systems for Floor and Ceiling Installation<\/b><\/p>\n\n\n\n\n
          Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
          UL<\/b><\/a><\/td>\n2020-02-25<\/td>\n92<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":693798,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2680],"product_tag":[],"class_list":{"0":"post-693788","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\/693788","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\/693798"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=693788"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=693788"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=693788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}