These UL 248 proposals include increased use of International symbology, clarifications, editorial revisions, establishment of minimum samples in the Operation Test for Fuses, the addition of Canadian requirements for Class K fuses with Class H dimensions, miniature fuse requirements, withdrawal of body temperature requirements and the addition of 600 V ratings to Class T fuses.
ANSI/UL 248-15-2005 history
2005ANSI/UL 248-15-2005 Standard for Safety for Low-Voltage Fuses – Part 15: Class T Fuses