1 Scope

1.1 This Standard applies to equipment wiring terminals for use with all alloys of copper, aluminum, or copper-clad aluminum conductors, in accordance with the National Electrical Code, NFPA 70, as follows:

1. a) Equipment wiring terminals intended to hold one or more conductor(s);

2. b) Equipment wiring terminals intended for use in appliances and equipment that comply with the requirements for such appliances and equipment;

3. c) Ampere-rated equipment wiring terminals;

4. d) Horsepower rated equipment wiring terminals; and

5. e) Wire range rated equipment wiring terminals.

Summary of Topics

This new Sixth edition of ANSI/UL 486E dated January 31, 2024 includes the following changes in requirements:

– Addition to the Scope to address use of ferrules and adapters; 1.4

– Remove reference to a “Dielectric-Withstand Test”; 8.1.2 and 9.1.6.2

– Clarify that aluminum test conductors can be compact, compressed, or concentric stranding; 7.1.13

– Use of busbar during static heating test; 9.3.1.1

– Time stabilization clarification; 9.2.1 and 9.2.4

– Remove “number of strands” from marking requirement; 10.12

– Sizing and lubricating bushings during secureness test; 9.3.2.1 and Table 9.13

– Corrections to Table 8.3

– Testing with metric and non-standard size conductors; 1.3, 2.1.3, 3.2, 7.1.7, 7.1.10, 8.1.6, 8.1.7, 9.1.5.2, 9.1.5.3, 9.1.5.5, 9.1.5.6, 9.1.9.4, 10.4, 10.7, 10.8, 10.10, 10.26, 10.30, Table 7.5, Table 7.6, Table 8.3, Table 9.1, Table 9.2, Table 7.4, Table 9.3 – Table 9.6, Table 9.8, Table 9.13, Table 9.14, Section B4, and Annex E

– Testing with aluminum wire with AA-8000 alloy conductors; 7.2.2, 7.2.3, 7.3.1, Table 7.4, and Annex A

– Use of shear head bolts; 9.1.9.4, 9.1.9.5 and 9.1.9.6

– Insulating covers during stress corrosion tests; 9.6.1

– Addition of stranding table; 9.1.5.6 and Annex F

– Thermal testing with insulation colors other than black; 9.1.5.8, 9.1.5.9 and 9.1.5.10

– Alternate information means; 10.32