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7
3.1.2 Cord Specification
Depending on the distance between the VTO and VTH, you need to select RVV4 cords of different
specifications.
Table 3-1 Cord specification
Transmission Distance (TD) RVV4 Cord Specification
TD ≤ 10 m RVV4 × 0.3 mm²
10 m < TD ≤ 30 m RVV4 × 0.5 mm²
30 m < TD ≤ 50 m RVV4 × 0.75 mm²
If the distance between the VTO and VTH is more than 50 m, use coaxial cables.
Do not pull the cords violently.
During wiring, wrap the cord joints with insulated rubber tape to prevent short circuit.
Wiring One VTO and One VTH
Wiring (1)
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