Reference boundary

Transformer secondary fault-current source-navigation only; no transformer secondary fault-current value, impedance value, calculation method, example, equipment rating, interrupting-rating conclusion, licensed standard text, installation direction, or compliance answer is published.

Reference table

Point to Canadian public source pages relevant to transformer secondary fault-current review.

Reference basis uses CSA CEC source navigation, transformer product source navigation, and engineering review source navigation.
Source areaCurrent sourceReview useBoundary
CSA CEC source ownerCSA Group Canadian Electrical Code source navigationNavigation planning identifies the transformer secondary fault-current source-owner path before review.source-navigation only; no transformer secondary fault-current value, impedance value, calculation method, example, equipment rating, or compliance answer is reproduced
Transformer product sourceTransformer nameplate, impedance, data sheet, and manufacturer instruction navigationReview planning keeps transformer secondary fault-current source context separate from fault-current conclusions.source-navigation only; no transformer secondary fault-current value, impedance value, calculation method, example, equipment rating, or compliance answer is reproduced
Engineering review pathUtility source-impedance, engineering-study, and equipment SCCR/AIC source navigationNavigation planning records study-input source areas before fault-current review.source-navigation only; no transformer secondary fault-current value, impedance value, calculation method, example, equipment rating, 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.