What is UL267?

UL267 is a comprehensive technical standard used to evaluate the performance and safety of electrical wires and cables in the United States. It was developed by Underwriters Laboratories (UL), a global safety consulting and certification company.

Importance of UL267

UL267 plays a critical role in ensuring the quality and reliability of electrical cables. It establishes specific requirements for various types of cables, such as their insulation material, voltage rating, and maximum temperature. Compliance with UL267 ensures that cables are manufactured and installed safely, reducing the risk of fire, electric shock, and other hazards.

Testing Procedures

UL267 defines rigorous testing procedures to evaluate cable performance under various conditions. These tests include conductor resistance, insulation resistance, dielectric voltage withstand, and flame resistance. Each test is designed to assess different aspects of cable safety and performance. Manufacturers must conduct these tests to determine if their cables meet the UL267 requirements.

Certification and Compliance

Upon successful completion of all required tests, manufacturers can apply for UL267 certification. This certification indicates that the cables have met the necessary safety standards. Compliance with UL267 is crucial for manufacturers who want to sell their cables in the US market. It provides assurance to consumers, contractors, and regulatory bodies that the cables are safe and reliable.