1.1 Scope

1.1.2 These requirements cover fuseholders intended for use with Class R Fuses as described in NMX-J-009/248/12-2000-ANCE, CSA C22.2 No. 248.12, UL 248-12, Low-Voltage Fuses - Part 12: Class R Fuses.

Summary of Topics

The Second Edition of the Standard for Safety for Fuseholders - Part 12: Class R, UL 4248-12, has been issued to reflect the latest ANSI approval date and to incorporate the following proposal.

• Correction to dummy fuse dimensions.