请注意:此版本的所有临时修订版将在您购买时提供。超厚壁增强热固性树脂导管（RTRC）和配件的补充要求SUL 2515A1范围1。1这些要求是对地面增强热固性树脂导管（RTRC）和配件标准UL 2515中适用要求的补充。这些要求涵盖的产品仅在美国使用。为便于识别，UL 2515中对要求的引用采用斜体。1.2本标准涵盖XW型地上（AG）超厚壁导管（尺寸基于壁厚）。 贸易规模（公制标志）为1/2（16）、3/4（21）、1（27）、1-1/4（35）、1-1/2（41）、2（53）、2-1/2（63）、3（78）、3-1/2（91）、4（103）、4-1/2（116）、5（129）和6（155）。注:括号中的值是导管和配件的公制尺寸名称，不一定反映公制贸易尺寸。1.3 AG XW型适用于受到物理损坏的隐蔽或暴露工作。

Please note: All interim revisions for this edition available at time of your purchase will be included.Supplemental Requirements for Extra Heavy Wall Reinforced Thermosetting Resin Conduit (RTRC) and FittingsUL 2515A1 Scope1.1 These requirements are supplementary to the applicable requirements in the Standard for Aboveground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings, UL 2515. Products covered by these requirements are for use in the United States only. References to requirements in UL 2515 are in italics for easy identification.1.2 This standard covers aboveground (AG) extra heavy wall conduit, Type XW (dimensions based on wall thicknesses). Trade sizes (metric designators) are 1/2 (16), 3/4 (21), 1 (27), 1-1/4 (35), 1-1/2 (41), 2 (53), 2-1/2 (63), 3 (78), 3-1/2 (91), 4 (103), 4-1/2 (116), 5 (129), and 6 (155).Note: The values in parenthesis are metric size designations of conduit and fittings and do not necessarily reflect metric trade sizes.1.3 AG Type XW is suitable for concealed or exposed work where subject to physical damage.