UL Standards free download UL 2515A 2016 pdf download – Supplemental Requirements for Extra Heavy Wall Reinforced Thermosetting Resin Conduit (RTRC) and Fittings UL 2515A 2016 pdf download - Supplemental Requirements for Extra Heavy Wall Reinforced Thermosetting Resin Conduit (RTRC) and Fittings. 4.2 Impact Resistance (for Type XW conduit) 4.2.1 When tested in accordance with 4.2.2 and 4.2.3 there shall... 02-10 Download Now