NEC 310 · How to read a NEC 310 cable code

TFE in a NEC 310 cable code

SymbolMeaningPart of the cable
TFEPolytetrafluorethylene (PTFE - Teflon)Other

Source: The 2016 symbol tables of this site

Designations that use it

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The same meaning in other coding systems

As recorded in the symbol tables: the same meaning, written with each system's own letters.

All NEC 310 symbols · Decode your own designation