Flexible connectors and hoses shall be listed and labeled in accordance with __ __.

Flexible connectors and hoses are essential components used in various mechanical systems, particularly in the installation of gas appliances. The requirement for these components to be listed and labeled ensures they meet specific safety and performance standards.

UL 536 is the standard that addresses the safety requirements for flexible connectors and hoses associated with gas appliances. This standard includes guidelines concerning their construction, performance testing, and overall safety criteria. Compliance with UL 536 assures that the products are reliable and safe for use in installations where they could be exposed to gas, ensuring proper functionality and minimizing any potential hazards.

Understanding the role of UL 536 is crucial for professionals working in the mechanical field, as it helps ensure that the materials used in installations are suitable and meet the regulatory requirements established to protect both the public and property from potential risks associated with gas appliances.