UL 20 pdf - UL Standards Download

UL 20-2008 pdf download

March 9, 2022 admin UL Standards

UL 20-2008 pdf download.General-Use Snap Switches. 1 .1 The requirements of this Standard apply to manually operated, general-use snap switches for connection to copper (Cu) or copper-clad conductors used in accordance with the National Electrical

UL 20-2010 pdf download

March 8, 2022 admin UL Standards

UL 20-2010 pdf download.General-Use Snap Switches. 1 .1 The requirements of this Standard apply to manually operated, general-use snap switches for connection to copper (Cu) or copper-clad conductors used in accordance with the National Electrical

UL 20-2021 pdf download

March 7, 2022 admin UL Standards

UL 20-2021 pdf download.General-Use Snap Switches. 4 Construction 4.1 Enclosure 4.1.1 Switches shall be provided with complete enclosures that house all live parts, except that switches designed to be installed in device boxes or cut-out