Canadian electrical product safety standards: No. 14 industrial control equipment, No. 235 supplementary protectors, No. 248 fuses.
The CSA C22.2 series comprises Canadian electrical product safety standards (Canadian Electrical Code, Part II) used by CSA Group and other Canadian-accredited bodies to certify products for the Canadian market. Railway-component datasheets may cite No. 14 (industrial control equipment, counterpart to UL 508), No. 235 (supplementary protectors, counterpart to UL 1077), No. 5 (molded-case circuit breakers, tri-national standard with UL 489), and No. 248 (low-voltage fuses, tri-national standard with UL 248).
Certification to the Canadian standard combined with UL certification results in cULus or cCSAus marking accepted on both sides of the border.