Here you can download some UL standards I collected.You must remember you can use them only for your personal learning ,but for business.

UL 73-2011 pdf download

UL 73-2011 pdf download

UL 73-2011 pdf download.Motor-Operated Appliances. 1 Scope 1 .1 These requirements cover motor-operated appliances to be employed in accordance with the National Electrical Code, NFPA 70. 1 .2 These requirements also cover small utilization appliances,

Read more
UL 20-2010 pdf download

UL 20-2010 pdf download

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

Read more