UL 1008A-2017 pdf download – Transfer Switch Equipment, Over 1000 Volts

02-10-2022 comment

UL 1008A-2017 pdf download – Transfer Switch Equipment, Over 1000 Volts.
2 General Requirements 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. See Annex A for a list of standards covering components generally used in the products covered by this standard. A component shall comply with the CSA or UL standards as appropriate for the country where the product is to be used. 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or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4 Specific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. 2.5 In Canada, general requirements as indicated in the General Requirements – Canadian Electrical Code Part II, CSA C22.2 No. 0, (refer to Annex B, Item 3), are also applicable. 2.6 Transfer switches are rated in amperes and are considered to be acceptable for total system transfer, which includes control of motors, electric-heating loads, and transformer loads. 2.7 An automatic transfer switch for use in a legally required standby system shall comply with the requirements for a transfer switch for emergency systems. 2.8 Products covered by this standard shall comply with the referenced installation codes and standards noted in Annex B as appropriate for the country where the product is to be used. When the product is intended for use in more than one country, the product shall comply with the installation codes and standards for all countries where it is intended to be used.

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