Table
Cable Marking Abbreviations
Cable Marking Abbreviations reference with assumptions and boundary notes.
Reference boundary
Label-reading reference only. The full product marking and manufacturer literature govern product identity and permitted use.
Reference table
Decode common abbreviations found on Canadian cable jackets and manufacturer catalogues.
| Marking | Meaning | Common context | Boundary |
|---|---|---|---|
| FT1 | vertical flame test reference | jacket flame marking | Full product marking governs flame-test context |
| FT4 | vertical tray flame test reference | jacket flame marking | Full product marking governs flame-test context |
| SR | sunlight resistant | jacket/environment marking | Manufacturer marking governs outdoor exposure context |
| HL | hazardous location cable marking reference | selected armoured cable labels | Location classification and product data need separate review |
| -40 C | low-temperature jacket reference | cold-weather handling or use marking | Manufacturer instructions govern cold handling and installation |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.