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CSA C22.2 NO. 94.1:15 (R2020)
This is the harmonized ANCE, CSA Group, and UL standard for Enclosures for Electrical Equipment, Non- Environmental Considerations. It is the third edition of NMX-J-235/1-ANCE, the second edition of CAN/CSA C22.2 No. 94.1, and the thirteenth edition of UL 50. This edition of CSA C22.2 No. 94.1 supersedes the previous edition published in 2007. This edition of UL 50 supersedes the previous edition published on September 4, 2007. This harmonized standard has been jointly revised on October 15, 2020. For this purpose, CSA Group and UL are issuing revision pages dated October 15, 2020, and ANCE is issuing a new edition dated October 15, 2020.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
This standard applies to enclosures for electrical equipment intended to be installed and used in non-hazardous locations in accordance with the Canadian Electrical Code, Part I, CSA C22.1, the provisions of the National Electrical Code, NFPA 70, and the provisions of Mexico’s Electrical Installations, NOM-001-SEDE, as follows:
a) Enclosures for indoor locations, Types 1, 2, 5, 12, 12K, and 13; and
b) Enclosures for indoor or outdoor locations, Types 3, 3X, 3R, 3RX, 3S, 3SX, 4, 4X, 6, and 6P.
This standard covers the non-environmental construction and performance requirements for enclosures to provide a degree of protection to personnel against incidental contact with the enclosed equipment. The additional environmental construction and performance requirements for enclosures are located in CSA C22.2 No. 94.2, UL 50E, and NMX-J-235/2-ANCE (See Annex B, Ref. No. 15), which are intended to be used in conjunction with this standard.
Where an individual product standard contains requirements that are at variance with those of this standard, the requirements of the individual product standard take precedence.
In the United States and Mexico, cabinets and cutout boxes and junction and pull boxes are covered by Clauses 9 and 10 of this Standard. In Canada, junction boxes, cutout boxes, and pull boxes are covered by CSA C22.2 No. 40 and are not covered by this standard. See Annex B, Ref. No. 12.
Outlet boxes having a volume of not more than 1640 cm3 (100 in3) are covered by CSA C22.2 No. 18.1, NMX-J-023/1-ANCE, and the UL 514 series (see Annex B, Ref. No. 6 and 13) and are not covered by this standard.
In Canada and the United States, swimming pool type junction boxes are covered by CSA C22.2 No. 89 and UL 1241 (see Annex B, Ref. No. 11) and are not covered by this standard.
CAN/CSA-C22.2 NO. 94.1-07 (R2012) - Enclosures for Electrical Equipment, Non-Environmental Considerations (Tri-National Standard, with NMX-J-235/1-ANCE-2007 and UL 50)
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