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Publications C22.2 NO. 4248.1-17

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C22.2 NO. 4248.1-17 - Fuseholders — Part 1: General requirements (Trinational standard with UL 4248-1 and NMX-J-009/4248/1-ANCE)

Publication Year:

  • 2017

Total Pages:



  • CSA


This is the harmonized ANCE, CSA Group, and UL standard for Fuseholders – Part 1: General Requirements. It is the second edition of NMX-J-009/4248/1-ANCE, the second edition of CSA C22.2 No. 4248.1, and the second edition of UL 4248-1. This edition of NMX-J-009/4248/1-ANCE supersedes the previous edition published on February 28, 2007. This edition of CSA C22.2 No. 4248.1 supersedes the previous edition published on February 28, 2007. This edition of UL 4248-1 supersedes the previous edition published on February 28, 2007.


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.

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.).

1.2 Object

This Standard and its subsequent parts establish the characteristics, construction, operating conditions, markings, and test conditions for fuseholders.

1.3 Units of measurement

The values given in SI (metric) shall be normative. Any other values given shall be for information purposes only.

1.4 Undated reference

Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard.

When a reference is made to another code or standard, the product shall comply with the code or standard of the country in which the product is intended to be used.

In Canada, general requirements applicable to this standard are given in CSA C22.2 No. 0, General Requirements – Canadian Electrical Code, Part II.

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