What is UL 1474 ?

What is UL 1474 and What Does it Tell Us?

UL 1474 is a technical standard published by Underwriters Laboratories (UL) that outlines the requirements and methods for testing and certifying audible signaling devices. It is also known as the UL 1464 standard, which relates to the testing and certification of audible signaling devices.

The purpose of UL 1474 is to ensure that audible signaling devices meet specific safety and performance criteria, allowing them to function effectively and reliably in various applications. The standard sets forth minimum requirements and test procedures that must be followed during product development, testing, and evaluation.

UL 1474 covers various aspects of audible signaling devices, including sound power, sound clarity, and sound duration. It also requires manufacturers to conduct tests to verify the performance of their devices in various environments and conditions.

The scope and coverage of UL 1474 are extensive, as it applies to a wide range of audible signaling devices, such as horns, sirens, bells, and alarms. The standard is significant because it helps to ensure the safety and reliability of these devices, which are essential for the well-being of users and the public.

UL 1474 is a crucial guideline for manufacturers, consumers, and regulatory bodies to follow when ensuring the safety and reliability of electronic devices. By adhering to the minimum requirements and test procedures outlined in the standard, manufacturers can ensure that their products are safe and reliable, while consumers can have confidence in the quality and performance of the devices.