UL 746S PDF
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Evaluation of Sustainable Polymeric Materials for Use in Electrical Equipment
1 Scope
1.1 This standard establishes program requirements for the evaluation of sustainable polymeric materials for use in electrical equipment. The test program is intended to ensure acceptable material performance with respect to flammability, electrical, mechanical, and other related safety properties.
1.2 This Standard will cover the requirements for using Mechanically Recycled Plastic in various proportions with the virgin material.
Summary of Topics
This revision of ANSI/UL 746S dated February 5, 2025, includes the following changes in requirements:
– Addition of New Definitions to Glossary, Section 4 (4.1A, 4.4A – 4.8); Revision of 6.1.1; Revision of Figure 6.1; Addition of Figure 6.2




