Open Designation (BS/IEC) · How to read a Open Designation (BS/IEC) cable code
TR in a Open Designation (BS/IEC) cable code
| Symbol | Meaning | Part of the cable |
|---|---|---|
| TR | Tree Retardant | Other |
Source: The 2016 symbol tables of this site
Designations that use it
All Open Designation (BS/IEC) symbols · Decode your own designation