UL 536-2021 pdf free download.Flexible Metallic Hose.
1.9 This standard does not cover the following:
a) Gas appliance hose connectors for handling fuel gases at 5 psig (34.5 kPa) or less, which is covered by Connectors for Gas Appliances. CSA 610/ANSI Z21 .24;
b) Portable outdoor cooking appliance fuel hose, which Is covered by Gas Hose Connectors for Portable Outdoor Gas-Fired Appliances, CSA 8.4/ANSI Z21 .54;
c) LP-Gas and natural gas delivery hose or fuel supply systems, which is covered by the Standard for Pigtails and Flexible Hose Connectors for LP-Gas, UL 569 and the Standard for LP-Gas Hose, UL 21 or the Standard for Elastomeric composite hose and hose couplings for conducting propane and natural gas, CSA 8.1, and the Standard for Thermoplastic hose and hose couplings for conducting propane and natural gas, CSA 8.3:
d) Underground piping products for liquid fuels, which is covered by the Outline of Investigation for Metallic Underground Fuel Pipe. UL 971A, or the Standard for Metallic and Nonmetallic Underground Piping for Flammable and Combustible Liquids. CAN/ULC-S679;
e) Flexible connector piping for liquid fuels, which is covered by the Standard for Flexible Connector Piping for Fuels. UL 2039. or the Standard for Flexible Connector Piping for Fuels, CAN/ULC-S633;
f) Motor fuel dispensing hose, which is covered by the Standard for Hose and Hose Assemblies for Dispensing Flammable and Combustible Liquids, ANSI/CAN/UL 330.
2 Components
2.1 Except as indicated in 2.2, a component of a product covered by this standard shall comply with the requirements for that component.
2.2 A component is not required to comply with a specific requirement that:
a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or
b) Is superseded by a requirement in this standard.
2.3 A component shall be used in accordance with its rating established for the intended conditions of use.
2.4 Specific components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specified limits, and shall be used only under those specific conditions.
3 Units of Measurement
3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information.
4 Referenced Publications
4.1 The documents shown below are referenced in the requirements text of this standard. Unless otherwise stated elsewhere in this Standard such reference shall be interpreted as referring considered to indicate the latest edition andlor revisions of that code the document available at the date on which the Committee approved this ULJULC Standard.UL 536 pdf download.