UL 1054:2000 pdf download.Special-Use Switches.
3.2 lf a value for measurement is followed by a value in other units in parentheses, the second value maybe only approximate. The first stated value is the requirement.
3.3 ln the following text, a requirement that applies only to a switch for a specific use,such as in a heatingappliance or in a radio or television-receiving appliance, is so identified by a specific reference in thatrequirement to the use involved.Absence of such specific reference or use of the term switch indicatesthat the requirement applies to all switches covered by this standard unless the context indicatesotherwise.
4 General Requirements for All Switches
4.1 Requirements under this heading apply to all switches covered by this standard. They aresupplemented in subsequent sections with requirements applying exclusively to heater switches,television switches, and special-use dimmer switches.
4.2 A switch shall employ materials that are acceptable for the intended use.cONSTRUCTION
5 Enclosure5.1 General
5.1.1 A metal enclosure of a switch shall not be less than 0.013 inch (0.33 mm) thick. Heavier metal shallbe employed to provide strength and rigidity if the switch is rated more than 5 amperes-250 volts，10amperes-125 volts, or if the size or shape of the enclosure requires an increased metal thickness.
5.1.2 A switch intended to be exposed to a specific environment shall comply with the applicablerequirements in the Standard for Enclosures for Electrical Equipment,UL 50.
