This is the common ANCE, CSA, and UL standard for Switchboards. It is the Second edition of NMX-J-118/2-ANCE, the First edition of C22.2 No. 244, and the Eleventh edition of UL 891.
This Standard applies to switchboards nominally rated at 600 V or less and intended for use in accordance with the Canadian Electrical Code, Part 1 (CE Code, Part 1), the National Electrical Code (NEC), ANSI/NFPA 70, and the Mexican Standard for Electrical Installations (Utility), NOM-001-SEDE.
In this standard the term switchboard is intended to refer to a dead-front switchboard.
These requirements do not cover the following switchboard types: preset and dimmer control (theater), live front, railway control or electrification; or constructions intended only for receiving motor control center units.
These requirements cover switchboards for use on circuits having available rms symmetrical short-circuit currents of not more than 200 000 A.
An update to this product is available.
To receive notifications when an amendment, new edition or update is available to your standard no matter how you purchased it, please register on the Standards Update Service. After registering, enter the List ID for the relevant standard. The List ID can be found in the “CSA Standards Update” section within the first few pages of the standard you’ve purchased. Once notified, you can then update your standard accordingly.
PDF Format Purchased from the CSA Store
If you have purchased or subscribed to a standard from the CSA Store in PDF format, login to your CSA OnDemandTM account to access the updated PDF.
Paper Format Purchased or Purchased from Reseller
If you have purchased a paper copy of the standard from the CSA Store or purchased a standard in paper or PDF format from one of our resellers, login to the Standards Update Service to download the updates in PDF format.
eBook Format Purchased
If you have purchased a standard in eBook format, login to the CSA Reader App to download the updated version of the standard.