UL 486A-486B:3ED 2018-04

This revision of ANSI/UL 486A-486B dated May 5, 2021 includes the following changes in requirements: • Remove "Number of Strands" from Marking Requirement; 10.12 • Add Specification that the Current-Cycling Test Shall be Performed with an 60 Hz ac Source; 7.2.1, Table 7, Table 8 and Table 13 • Sizing and Lubricating Bushings During Secureness Test; 9.3.2.1 and Table 26 • Correction to Table 13 • Testing with Metric and Non-Standard Size Conductors; 1.2, 2.1.7, 3.2, 6.3.5, 7.1.6A, 7.1.7, 8.1.6, 8.1.9, 8.1.10, 8.1.11, 9.1.5.1, 9.1.5.1A, 9.1.5.1B, 9.1.5.3 – 9.1.5.5, 9.1.9.4, 10.7, 10.8, 10.10, 10.19, 10.34, 10.39, Table 7 – Table 9, Table 13, Table 14, Table 14A, Table 15 – Table 17, Table 19, Table 21, Table 26, Table 27, Annex A, Section C.4 and Annex F • Testing with Aluminum Wire with AA-8000 Alloy Conductors; 7.2.2, 7.2.3, 7.3.1, Table 15 and Annex A • Use of Shear Head Bolts; 9.1.9.4, 9.1.9.5 and 9.1.9.5A • Sample Length Change; B.1.2 • Exothermically Welded Wire Connectors; 1.1 and 10.42

This Standard applies to single-polarity connectors for use with all alloys of copper or aluminum, or copper-clad aluminum conductors, or all three, for providing contacts between current-carrying parts, in accordance with the Canadian Electrical Code, Part I, C22.1, in Canada, the National Electrical Code, NFPA-70, in the United States of America, or the Standard for Electrical Installations, NOM-001-SEDE, in Mexico, as follows: Note: Copper-clad aluminum conductors are for use only in the United States in accordance with the National Electrical Code, NFPA 70.