Types Of Electrical Fittings
Functions of power fittings
It is a metal device used to suspend, fix, protect, connect, and connect overhead lines or insulators on overhead lines, and to connect the wires on the wire structure of the wire tower.
What are the power fittings?
Generally speaking, they are divided according to performance and purpose. Connecting fittings, suspension clamps, tension clamps, connection fittings, protection fittings, and wire fittings can be divided into line fittings and transformer fittings according to their uses.
1. Suspension fittings
Also known as support fittings or suspension clamps. This kind of fittings is mainly used to suspend the wire insulator string and suspend the jumper on the insulator string.
Also known as fastening fittings or tension clamps. This kind of fittings is mainly used to close the terminal of the wire to fix it on the wire insulator string, and is also used to fix the terminal of the lightning conductor and anchor the wire. The anchoring fittings bear all the tension of the wire and the lightning conductor.
3. Connecting hardware
Also known as hanging wire parts, this hardware is used to connect insulators into strings and hardware to hardware. It bears mechanical loads. Such as hanging rings, hanging plates, ball head hanging rings, U-shaped screws, connecting plates, hooks, etc.
4. Connecting hardware.
This hardware is specially used to connect various bare wires and lightning conductors. The connection bears the same load as the wire, and most of the connecting hardware bears the entire tension of the wire or lightning conductor, such as the connecting tube and the parallel groove clamp.
5. Protective hardware
This hardware is used to protect wires, insulators, etc., such as equalizing rings for protecting insulators, heavy hammers for preventing insulator strings from being pulled up, and anti-vibration hammers, protective wires, and spacers for preventing wire vibration.
6. Contact hardware
This hardware is used to connect hard busbars, soft busbars and outlet terminals of electrical equipment, T-connections of wires and non-load-bearing parallel connections, etc. These connections are electrical contacts. Therefore, the contact hardware is required to have higher conductivity and contact stability.
7. Cable tie fittings
Mainly used for cable tie connection of cable tie towers, it is divided into cable tie fastening and connection. Mainly includes wedge-shaped wire clamps and tension-resistant pre-twisted wires.