UL 1581 PDF

1 Scope

1.1 This standard contains specific details of the conductors, of the insulation, of the jackets and other coverings, and of the methods of sample preparation, of specimen selection and conditioning, and of measurement and calculation that are required in wire and cable standards.

1.2 The requirements for the particular materials, construction, performance, and marking of an individual type of wire, cable, or flexible cord are stated in the standard covering the finished type. They are not part of this reference standard.

1.3 In each case in which an element of this standard does not apply, the standard covering the finished type so states and specifies what does apply.

Summary of Topics:

This revision to ANSI/UL 1581 dated November 29, 2023 includes revision to update outside references; 10.2, 10.3, Table 10.1, Table 50.133, Table 50.135, Table 50.136, 480.9, and 1090.1.