NEC 402 · How to read a NEC 402 cable code
-1 in a NEC 402 cable code
| Symbol | Meaning | Part of the cable |
|---|---|---|
| -1 | Insulation Thickness (Thinnest) / 0.030" (0.742 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.