UL 4248-1
Fuseholders - Part 1: General Requirements

DETAILS
Edition Number:1SCC Approved:--
Edition Date:2007-02-28DOD Approved: --
Price Code:DANSI Approved: 2013-10-24
Type:ulcsance

  • SCOPE

    1.1 Scope

    1.1.1 These fuseholders and devices accommodate fuses to be employed in electrical circuits and are intended to be used in accordance with the Canadian Electrical Code, Part I (CE Code Part I), CSA C22.1, the National Electrical Code (NEC), ANSI/NFPA 70, or the Mexican Electrical Code, NOM-001.

    1.1.2 These requirements cover:

    a)    fuseholders for fuses intended for use with fuse classes covered in the ANCE NMX-J-009-248; CSA C22.2 No. 248 and UL 248 series of standards, Parts 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15; and

    b)    fuseholder accessories (such as covers, indicators, adapters, etc.).

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • UL Harmonized Standard Title Page
    • Table of Contents
      • Fuseholders – Part 1: General Requirements
        • 1 General
          • 1.1 Scope
          • 1.2 Object
          • 1.3 Units of measurement
          • 1.4 Undated reference
        • 2 Definitions
          • 2.1 General
          • 2.2 Ratings
          • 2.3 Wiring terminals
        • 3 Service conditions
        • 4 Classification
        • 5 Characteristics
          • 5.1 Summary of characteristics
        • 6 Marking
          • 6.1 Marking of fuseholders
          • 6.2 Marking symbols
        • 7 Construction
          • 7.1 Fuseholder components
          • 7.2 Bases and supports – insulating material
          • 7.3 Sealing
          • 7.4 Current carrying parts
          • 7.5 Wiring terminals
          • 7.6 Contacts of cartridge fuseholders
          • 7.7 Creepage and clearance
          • 7.8 Open fuse indicator
        • 8 Tests
          • 8.1 General
          • 8.2 Verification of electric shock protection (IEC 60529 IP Code) categories
          • 8.3 Verification of insulating materials
          • 8.4 Verification of temperature rise
          • 8.5 Verification of withstand rating
          • 8.6 Open fuse indicating current test
    • Annex A (Normative)
    • Annex B (Normative)
    • Annex C (Informative)
    • Annex D (Informative)