URD
2 coding systems recognise this code
NEC / UL (USA)
| Symbol | Meaning |
|---|---|
URD | Underground residential distribution (reading by usage) |
URD | Underground residential distribution cable, twisted aluminium conductors, direct burial. 600 V, 90 C XLPE. UL 854; ICEA / NEMA WC 70 |
CEI-UNEL 35011 (Italy)
| Symbol | Meaning |
|---|---|
U | Single-Wire, Round-Section, Class 1 |
R | Polyvynil Chloride (PVC) |
D | Flat Type |