Reference boundary

NMD90 ampacity source-navigation only. It does not publish NMD90 ampacity values, conductor-size tables, residential-use rules, correction or derating factors, or compliance decisions.

Reference table

Point to Canadian public source pages relevant to NMD90 ampacity review.

Reference basis uses CSA Canadian Electrical Code source navigation, NMD90 product source navigation, and provincial code-adoption navigation.
Source areaCurrent sourceReview useBoundary
CSA CEC source ownerCSA Group Canadian Electrical Code source navigationUse this NMD90 ampacity source before reviewing any current ampacity table or residential cable context.source-navigation only; no NMD90 ampacity value, conductor-size table, residential-use rule, or licensed table text is reproduced
Product marking sourcesNMD90 product marking and manufacturer source navigationUse product source navigation before any cable construction, conductor count, or installation review.source-navigation only; no NMD90 ampacity value, product approval, installation requirement, or manufacturer instruction 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 NMD90 ampacity value, correction factor, derating factor, 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.