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What is UL 884 ?

Title: What is UL 884 and UL 898? A Guide to Solid-State Lighting Auxiliary Devices Safety Standards


Safety is a top priority in the field of electronics and electrical equipment. The use of solid-state lighting has become increasingly popular in recent years, and with it, the need for proper safety standards. Underwriters Laboratories (UL) has established the Underwriters Laboratories (UL) 894 and 898 standards to ensure the safety and reliability of auxiliary devices used in solid-state lighting systems. In this article, we will discuss the purpose of UL 894 and 898, their requirements and testing procedures, and their significance in ensuring the quality of solid-state lighting auxiliary devices.

Understanding UL 894 and 898

UL 894 and 898 are two recognized and widely accepted technical standards in the electrical industry. These standards outline the requirements and specifications for industrial control switches, including disconnect switches, circuit breakers, and contactors. The primary purpose of UL 894 and 898 is to ensure the safe operation and reliable performance of these devices.

UL 894 and 898 Requirements and Testing Procedures

UL 894 and 898 cover various aspects, such as electrical ratings, mechanical operations, temperature rise limits, short-circuit current ratings, and other crucial parameters that determine the suitability and quality of these devices. Compliance with these standards ensures that these auxiliary devices meet strict safety and performance standards.

UL 894 and 898 Testing and Certification

To ensure the safety and reliability of solid-state lighting auxiliary devices, manufacturers must undergo testing and certification procedures. These procedures involve extensive testing and evaluation of the devices to ensure they meet the requirements and specifications outlined by UL 894 and 898.


UL 894 and 898 are essential guidelines for ensuring the safety and reliability of solid-state lighting auxiliary devices. Compliance with these standards is critical for the safety of users and the efficient operation of lighting systems. By following the guidelines set by UL 894 and 898, manufacturers can demonstrate that their products are of high quality and can be safely used in various applications.


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