This is the common ANCE, CSA, and UL standard for Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse. It is the first edition of NMX-J-009/4248/11-ANCE, the first edition of CSA C22.2 No. 4248.11, and the first edition of UL 4248-11.
These requirements cover:
a) fuseholders intended for use with Type C (Edison-base) and Type S Plug Fuses as described in NMX-J-009/248/11-2000-ANCE, CSA C22.2 No. 248.11, UL 248-11, Low-Voltage Fuses - Part 11: Plug Fuses
b) devices intended to be added to Edison-base fuseholders to reject fuses with larger ampere ratings and
c) devices intended to adapt Type S plug fuses for use in Edison-base fuseholders.