2004UL 248-15 BULLETIN-2004 UL Standard for Safety Low-Voltage Fuses – Part 15: Class T Fuses
2000UL 248-15-2000 Low-voltage fuses.Part 15: Class T fuses
1994UL 248-15-1994 UL Standard for Safety Low-Voltage Fuses - Part 15: Class T Fuses (First Edition; Reprint with Revisions Through and Including February 06@ 1996)