Reference boundary

Ontario residential source-navigation only. It does not publish living-area load values, calculation steps, service sizing outputs, or design acceptance.

Reference table

Point to official Ontario and CSA source pages relevant to dwelling living-area load review.

Reference basis uses ESA Bulletin 8-3-16, the ESA Ontario Electrical Safety Code page, and CSA Canadian Electrical Code product navigation.
Source areaCurrent sourceReview useBoundary
ESA Bulletin 8-3-16Maximum circuit loading and demand factorsUse this living-area load source before reviewing Ontario dwelling load methodology.source-navigation only; no living-area load value, calculation step, service sizing output, or design answer is reproduced
ESA OESCOntario Electrical Safety Code pageUse this page to confirm the current Ontario code cycle before opening bulletins or code products.source-navigation only; no living-area load value, Ontario rule text, amendment, or compliance answer is reproduced
CSA CEC productsCanadian Electrical Code products pageUse this public product page to identify the national source owner and current product path.source-navigation only; no living-area load value, licensed standard text, or calculation table 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.