1 1.2 These requirements cover fuseholders intended for use with Class CC Fuses as described in NMX-J-009/248/4-2000-ANCE, CSA C22.2 No. 248.4, UL 248-4, Low-Voltage Fuses – Part 4: Class CC Fuses.
The UL 4248-4 standard is Part 4 of a harmonized trinational set of standards developed to complement the harmonized trinational UL 248 series of standards in that it consists of a Part 1 containing General Requirements applicable to all fuseholders and 8 subsequent Parts specific to a corresponding single Class of fuseholder.
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