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Standard 1581, Edition 4

Reference Standard for Electrical Wires, Cables, and Flexible Cords

UL CSDS Proposal
Standard 1581, Edition 4 Edition Date: January 29, 2016
Summary of Topics b1581_4_20160129_sum.html

Subject 1581

Bulletin Dated: January 29, 2016


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 only:

1. For Preliminary Review Only: Revision of the Un-aged elongation requirement for EPCV insulation to 150 percent in Table 50.62

2. For Preliminary Review Only: Correction to the metric conversion of ohms per 1000 feet for 25 AWG conductors at 20°C in Table 30.4

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