TPTNA
4 coding systems recognise this code
CEI-UNEL 35011 (Italy)
| Symbol | Meaning |
T | Telephone Cable |
P | Polyurethane (PUR) |
T | Glass Braid |
N | Steel Tape Armour |
A | Aluminium Sheath, Pressed Or Welded, Smooth |
NBN
| Symbol | Meaning |
T | Telephone Cable |
P | Foam-Skin Polyethylene |
T | Moving Installation |
N | Chloroprene Rubber |
A | Steel Tape Or Steel Wire Armour |
Swiss
| Symbol | Meaning |
T | Thermoplastic Insulation And Jacket |
P | Paper Insulation |
T | Thermoplastic Insulation And Jacket |
N | Low Smoke Zero Halogen Compound |
A | Armoured |
IEEE 1580
| Symbol | Meaning |
T | Three Conductor Distribution |
P | Cross Linked Polyolefin (XLPO) |
T | Polyvynil Chloride (PVC) |
N | Chloroprene Rubber |
A | Aluminium Armour |