2018UL 1008A BULLETIN-2018 UL Standard for Safety Transfer Switch Equipment@ Over 1000 Volts
2017UL 1008A BULLETIN-2017 UL Standard for Safety Transfer Switch Equipment - Over 1000 Volts@ C22.2 No. 178.3/UL 1008A@ are being recirculated (COMMENTS DUE: June 19@ 2017)
2010UL 1008A BULLETIN-2010 UL Standard for safety OUTLINE OF INVESTIGATION FOR TRANSFER SWITCH EQUIPMENT@ OVER 600 VOLTS (COMMENTS DUE: MARCH 15@ 2010)
2006UL 1008A BULLETIN-2006 UL Standard for safety OUTLINE OF INVESTIGATION FOR TRANSFER SWITCH EQUIPMENT@ OVER 600 VOLTS