Preface:

This is the harmonized ANCE, CSA Group, and UL standard for Fuseholders – Part 19: Photovoltaic Fuseholders. It is the first edition of NMX-J-009/4248/19-ANCE, the first edition of C22.2 No 4248.19, and the first edition of UL 4248-19.

This standard was reviewed by the CSA Subcommittee on Fuses and Fuseholders, under the jurisdiction of the CSA Technical Committee on Industrial Products and the CSA Strategic Steering Committee on requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This standard has been approved by the American National Standards Institute (ANSI) as an American National Standard.

Scope:

1.1
This Part applies to Fuseholders for Photovoltaic (PV) Systems rated to 1500 Vdc.

1.2
This Part applies to PV fuseholders that accommodate PV fuses as described in the Standard for Photovoltaic Fuses, CSA C22.2 No. 248-19 / UL 248-19 to be employed in Photovoltaic (PV) systems and that are intended to be used in accordance with the Canadian Electrical Code, Part I, and National Electrical Code.

1.3
Fuseholders that meet another Part shall also comply with those requirements of that Part