What is UL 228?

UL 228 is a technical standard that sets safety requirements for small engines and equipment powered by liquid fuels such as gasoline, diesel, and kerosene. It is developed and maintained by Underwriters Laboratories (UL), a global independent safety science company.

Why is UL 228 important?

UL 228 plays a crucial role in ensuring the safety of small engines and the equipment they power. Without proper safety standards, these engines and equipment could pose serious risks, including fire hazards, explosions, or other accidents. Therefore, compliance with UL 228 is essential for manufacturers, distributors, and users to ensure safe and reliable operation.

Key requirements of UL 228

The UL 228 standard outlines various requirements that small engines and equipment must meet to obtain UL certification. Some of the key requirements include:

Fuel system safety: The standard covers aspects such as fuel tank construction, fuel lines, seals, and fuel shut-off mechanisms to prevent leaks, spills, and fires.

Ignition safety: UL 228 sets criteria for ignition systems, spark arrestors, and other components to minimize the risk of sparks or flames that could cause an explosion or fire.

Exhaust emissions: The standard includes limits on pollutants emitted from engines to reduce their impact on the environment and human health.

Labeling and marking: UL 228 specifies requirements for product labeling, including safety warnings, fuel type, and other relevant information to guide users in safe operation and maintenance.

Conclusion

UL 228 is a vital technical standard that promotes the safe design and operation of small engines and equipment powered by liquid fuels. It ensures that manufacturers adhere to specific safety requirements, reducing the risks of accidents, fires, and other hazardous situations. By complying with UL 228, businesses and users can have confidence in the safety and reliability of these products.