UL 1581 PDF

Electrical Wire, Cables, and Flexible Cords

UL 1581 – Electrical Wire, Cables, and Flexible Cords

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Reference Standard for Electrical Wires, Cables, and Flexible Cords
UL 1581

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.