Scope

CEC current-carrying conductor source-navigation only. It does not publish current-carrying conductor derating values, conductor-counting rules, corrected ampacity values, raceway grouping answers, or compliance decisions.

Lookup table

Point to Canadian public source pages relevant to current-carrying conductor derating review.

Scroll sideways to keep row labels aligned with hidden columns.

Lookup basis uses CSA Canadian Electrical Code source navigation, ESA Ontario Electrical Safety Code navigation, and provincial code-adoption source navigation.
Source areaCurrent sourceReview stepBoundary
CSA CEC source ownerCSA Group Canadian Electrical Code source navigationReview the current-carrying conductor source before reviewing conductor count or derating context.source-navigation only; no conductor derating value, conductor-counting rule, corrected ampacity value, or licensed table text is reproduced
ESA OESCOntario Electrical Safety Code pageOpen this page to confirm the current Ontario code cycle before reading derating sources.source-navigation only; no conductor derating value, Ontario amendment, raceway grouping answer, or inspection answer is reproduced
Provincial code adoptionProvincial electrical-code adoption and authority navigationUse provincial source navigation before applying local code edition or amendment context.source-navigation only; no conductor derating value, local amendment text, conductor approval, or compliance answer is reproduced
Notes
  • Check table values 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.