Technical Articles

What is UL 1140?

UL 1140 is a technical standard that sets the requirements for emergency lighting and power systems. It ensures that these systems are designed, installed, and maintained to provide reliable illumination and backup power during emergencies or power outages. UL stands for Underwriters Laboratories, an independent safety certification organization based in the United States.

Importance of UL 1140

Emergency lighting and power systems are crucial in providing a safe environment during unexpected events such as fires, natural disasters, or power failures. UL 1140 aims to ensure that these systems are up to par with the latest safety standards, thus reducing the risks associated with inadequate lighting or power supply during emergencies. Compliance with UL 1140 not only ensures the safety of occupants but also helps building owners and operators meet regulatory requirements and avoid potential legal issues.

Key Requirements of UL 1140

UL 1140 covers various aspects of emergency lighting and power systems, including design considerations, testing procedures, performance criteria, and maintenance requirements. Some of the key requirements outlined by this standard include:

Minimum illumination levels for different areas and situations.

Time duration for which the emergency lighting should remain functional.

Proper installation and positioning of emergency lights and signs.

System capacity and battery backup requirements.

Regular inspections and maintenance procedures.

Compliance and Certification

To ensure compliance with UL 1140, manufacturers of emergency lighting and power systems undergo rigorous testing and evaluation to meet the specified requirements. Products that meet the standard's criteria receive UL certification, indicating their compliance and reliability. Building owners and operators are encouraged to choose UL-Listed products, ensuring the safety and effectiveness of their emergency lighting and power systems. Regular inspections and maintenance checks by qualified professionals are also essential to maintain compliance with UL 1140 over time.



Contact: Eason Wang

Phone: +86-13751010017


Add: 1F Junfeng Building, Gongle, Xixiang, Baoan District, Shenzhen, Guangdong, China

Scan the qr codeclose
the qr code