TWH
6 coding systems recognise this code
CSA (Canada)
| Symbol | Meaning |
T | Thermoplastic insulation (UNVERIFIED) |
W | Wet locations (UNVERIFIED) |
H | Heat resistant (UNVERIFIED) |
TWH | Thermoplastic 600 V wire used as an insulated ground conductor (UNVERIFIED). 600 V. not stated |
Telecom/Signal/Fiber Optic (VDE 0815 - 0816 - 0888)
| Symbol | Meaning |
T | Distribution Cable |
W | Steel Sheath, Corrugated |
H | Low Smoke Zero Halogen Compound |
NEC 310
| Symbol | Meaning |
T | Thermoplastic Insulation |
W | Moisture Resistant |
H | 75°C Insulation |
NEC 400
| Symbol | Meaning |
T | Flat Tinsel Cord |
W | Suitable For Use In Wet Locations And Sunlight Resistant |
H | Heater Cord |
CEI-UNEL 35011 (Italy)
| Symbol | Meaning |
T | Telephone Cable |
W | Divisible Flat Cable (Inetmediary Groove) |
H | Metallic Paper, Carbon Paper Or Aluminium Tape Screen |
NBN
| Symbol | Meaning |
T | Telephone Cable |
W | Polyethelene (PE) |
H | Resistant To Humidity |