There are two common situations when we select the tension clamp for the power line.
When the tension clamp is clamped on the outer diameter of the wire, the type of the tension clamp to be used is selected according to the outer diameter of the wire.
The same specification has different steel core sections and wire outer diameters, so it’s not necessarily to be the same type. Since the wire does not have a steel core, the cross section of the aluminum strand can be used to calculate the outer diameter of the wire.
In addition, since the tensile clamp is clamped on the outer diameter of the wire, we require aluminum tape on the outer layer during construction to prevent damage to the wire during crimping.
Compared with bare wires, insulated wires have the advantages of high safety and reliability, reduced line loss, and small wire corrosion. When using insulated wires, we need to pay attention to the fact that because the tension clamps are clamped on the outer diameter of the “wire” rather than the outer diameter of the “conductor”, it should be based on the outer diameter of the wire. The outer diameter of the conductor is chosen to match the type of tension clamp used.
In addition, the screws should be tightened evenly when we installing the tension clamps to ensure that the tension of the tension clamp on the wire is more than 95% of the wire breaking force.
Post time: Dec-27-2021