HUADONG CABLE GROUP
Professional Cables and Wires Manufacturer in ChinaTwin and earth cable comprises two individually insulated current carrying conductors and an uninsulated circuit protective conductor. Twin and Earth cable is the most common cable used for domestic wiring today.The sheath is either grey (PVC) or white for low smoke cables (OHLS).
Also known as FTE (flat twin and earth) the live and neutral conductors are individually insulated, and the Circuit Protective Conductor (CPC) or earth, is bare. Not suitable for unprotected use outside as the outer sheath materials are vulnerable to attack by UV although protective paint can provide some UV protection.
Flat Twin & Earth Cable Parameter
Conductor | Insulation thickness (mils) | Sheath thickness (mils) | Norminal O.D. (mils) | Approx. Mass kg/km |
stranding No./mm | ||||
2×1/1.13 | 0.6 | 0.9 | 6.6×4.2 | 55 |
2×7/0.50 | 0.6 | 0.9 | 7.4×4.7 | 80 |
2×7/0.67 | 0.7 | 1 | 9.0×5.6 | 125 |
2×7/0.85 | 0.8 | 1.1 | 10.7×6.6 | 155 |
2×7/1.04 | 0.8 | 1.1 | 11.8×7.2 | 215 |