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.
UL 1581-2001 history
2023UL 1581-2023 Reference Standard for Electrical Wires, Cables, and Flexible Cords
1970UL 1581-2021 UL Standard for Safety Reference Standard for Electrical Wires, Cables, and Flexible Cords COMMENTS DUE: January 15, 2008
2019UL 1581 BULLETIN-2019 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: FEBRUARY 25@ 2019)
2018UL 1581 BULLETIN-2018 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: JUNE 15@ 2018)
2017UL 1581 BULLETIN-2017 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: JUNE 5@ 2019)
2016UL 1581 BULLETIN-2016 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: FEBRUARY 15@ 2016)
2015UL 1581 BULLETIN-2015 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: APRIL 27@ 2015)
2013UL 1581 BULLETIN-2013 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: May 29@ 2013)
2012UL 1581 BULLETIN-2012 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: October 18@ 2012)
2010UL 1581 BULLETIN-2010 SUMMARY OF TOPICS The following changes in requirements to the Reference Standard for Electrical Wires, Cables, and Flexible Cords, UL 1581, are being proposed for preliminary review and comment
2009UL 1581 BULLETIN-2009 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (COMMENTS DUE: June 05@ 2009)
2007UL 1581 BULLETIN-2007 UL Standard for Safety Reference Standard for Electrical Wires, Cables, and Flexible Cords COMMENTS DUE: January 15, 2008
2006UL 1581 BULLETINS-2006 UL Standard for Safety Reference Standard for Electrical Wires@ Cables@ and Flexible Cords (06/16/2006 (2p); 04/07/2006 (12p); 02/01/2006 (12p))
2006UL 1581-2006 Reference Standard for Electrical Wires, Cables, and Flexible Cords