NEC 402 · How to read a NEC 402 cable code

-2 in a NEC 402 cable code

SymbolMeaningPart of the cable
-2Insulation Thickness (Normal) / 0.045" (1.143 Mm)Insulation compound

Source: The 2016 symbol tables of this site

Designations that use it

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 402 symbols · Decode your own designation