What is UL 1083-2009 ?

Title: A Comprehensive Guide to UL 1083-2009 and UL 1224

Power strips are an essential part of our daily lives, providing power to various electrical devices. However, power strips can pose a hazard if not installed and used correctly. The Underwriters Laboratories (UL) standards, such as UL 1083-2009 and UL 1224, are put in place to ensure the safety and reliability of power strips. In this article, we will provide a comprehensive guide to these two important standards.

UL 1083-2007: Safety Requirements for Power Strips

UL 1083-2007 is a standard that specifies the safety requirements for power strips, also known as surge protectors. The purpose of this standard is to establish minimum safety requirements for power strips to prevent hazards such as electrocution, fires, and internal component failures. The standard covers aspects such as construction, performance, markings, and testing methods.

Key Requirements of UL 1083-2007

The standard has several key requirements that power strip manufacturers must comply with. These requirements include:

Construction: Power strips must be constructed of non-combustible materials and must have a fire-resistant design. The device must also have a means to interrupt the power supply to prevent overheating.

Performance: Power strips must perform as expected under normal and emergency conditions. The device must have the ability to detect overheating and disconnect the power supply to prevent damage.

Markings: Power strips must have permanent or temporary markings indicating the rated voltage, current, and overheating conditions.

Testing: Power strips must undergo testing to ensure compliance with the standard.

UL 1224: Fire-Resistant Wiring for Power Alarms

UL 1224 is a standard related to electrical wiring in commercial buildings. The purpose of this standard is to ensure that the electrical wiring used in power-limited fire alarm circuits is fire-resistant.

Key Requirements of UL 1224

The standard has several key requirements that power alarm wiring must comply with. These requirements include:

Fire-Resistance: Power wiring must be fire-resistant and must not support the ignition of a fire.

Circuit breakers: Power wiring must have circuit breakers that are capable of interrupting the power supply in the event of an overcurrent.

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