Reference boundary

CEC ambient-temperature correction source-navigation only. It does not publish ambient-temperature correction factors, corrected ampacity values, conductor-size answers, table values, or compliance decisions.

Reference table

Point to Canadian public source pages relevant to ambient-temperature ampacity correction review.

Reference basis uses CSA Canadian Electrical Code source navigation, ESA Ontario Electrical Safety Code navigation, and provincial code-adoption source navigation.
Source areaCurrent sourceReview useBoundary
CSA CEC source ownerCSA Group Canadian Electrical Code source navigationUse this ambient-temperature correction source to locate the current code-product path before ampacity correction review.source-navigation only; no correction factor, corrected ampacity value, conductor-size answer, or licensed table text is reproduced
ESA OESCOntario Electrical Safety Code pageUse this page to confirm the current Ontario code cycle before reading ambient correction sources.source-navigation only; no correction factor, Ontario amendment, table value, or inspection answer is reproduced
Provincial code adoptionProvincial electrical-code adoption and authority navigationUse provincial source navigation before applying any local code edition or amendment context.source-navigation only; no correction factor, local amendment text, conductor approval, or compliance answer is reproduced
Use notes
  • Use this table only for source-navigation and current source-area review.
  • Confirm the current source document, product marking, utility page, or authority guidance before any design or field decision.