Wire Strain Relief Clamp

Wire strain relief clamps are essential components in electrical and telecommunication systems to ensure the durability and longevity of cables. Strain relief is critical for maintaining the integrity of the cables, especially when they are subjected to various stresses and strains. These clamps help in managing the mechanical forces acting on the wires, preventing them from being damaged or disconnected due to external forces. Google search results highlight that wire strain relief clamps are often used to secure cables to a fixed point, thereby reducing the likelihood of damage caused by pulling, bending, or vibration.

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Strain Relief Clamp, also known as a Cable Strain Clamp or simply as a Relief Clamp, is mounted into a chassis to secure the main power cable appliances. The clamp strain provides strain relief to the cable; additionally, it protects the cable from the metal cut-out, while the screw mounting ensures a secure fastening. The Wire Strain Relief Clamp can be securely installed using two screws. Our selection is made from UL94 V2-rated Nylon 6/6, which is gray in appearance.

Bolt Type Tension Clamp

Tension Clamp – The Ultimate Guide

Dealing with cables for electrical and telecommunication systems has never been simple. There are numerous aspects to consider, especially when planning to hang cables on poles and towers. Apart from ensuring smooth data or electricity transmission, the physical structure of the cables must be taken into account. Fortunately, there are several tools designed to ensure that conductors remain stable and well-supported during transmission, and one of these tools is the tension clamp.

What is a Tension Clamp?

A tension clamp is a device comprising multiple parts used to terminate conductors at different points. It provides adequate mechanical and electrical connections to the insulator around the conductor. These clamps can support conductors on both straight and twisted sections, even up to an angle of 90 degrees in twisted sections.

Uses of Tension Clamp

Provide a strong mechanical connection

Tension clamps are designed to offer strong and safe mechanical and electrical connections, regardless of conditions. Whether cables have longitudinal tension or maximum working loads, these clamps provide adequate connections coupled with longitudinal grip.

Protect the conductor

Tension clamps protect the conductor at installation loads, ensuring the physical stability of the transmission line.

Limit the movement of the conductor

Transmission lines and conductors are exposed to natural elements like wind and storms, which can cause movements and vibrations. Tension clamps help in controlling these random movements, limiting vibrations that emanate from the conductors.

Components of a Tension Clamp

The wedge and body

This main part supports the conductor of the overhead lines.

Washers

Positioned next to the body, washers protect the conductor's surface when the bolt is fastened.

Straps

Straps transfer the load from the axis of oscillation to the insulator ring.

Threaded inserts

Also known as threaded bushing, these parts play a fastening role by adding a threaded hole in an object.

Bolts and Nuts

Bots and nuts complete the connections between different components in a tension clamp.

Materials used on Tension Clamps

Tension clamps are primarily made from aluminum and cast iron. These materials are chosen due to their compatibility with conductors and their resistance to various conditions, without corroding or rusting. They are extremely hard and not easily affected by temperature changes, ensuring a durable and reliable connection.

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Design Characteristics of Tension Clamps

The design of a tension clamp dictates its physical interaction with the conductor and overhead lines. The design should allow free movement along the conductor without causing fatigue. The hole for strap attachment should be of a reasonable size to prevent damage, and the bolts and nuts should attach securely to the clamp.

Types of Tension Clamps

There are different types of tension clamps based on their design:

1. Wedge tension clamps

Wedge tension clamps are typically found at substations and on overhead lines. The clamping action on the conductor is due to the wedge action, converting tension load into compressive clamping loads. The friction on wedges can be reduced with special lubrication to increase mechanical grip.

2. Cone tension clamps

Cone tension clamps have a similar mechanism to wedge clamps but use cones for clamping force. They can work with or without jumper connections.

3. Tension clamps for high temperature

These clamps are designed to suit high-temperature conductors. They are mechanically and structurally robust, able to withstand high temperatures without affecting conduction.

Conclusion

With valuable information on tension clamps, the next step is to contact a reliable manufacturer and complete your purchase. At Rax Industry, we proudly manufacture and supply high-quality tension clamps. Don't hesitate to contact us if you need one.

FAQ

What is a tension clamp?

The tension clamp is a type of single tension hardware fitting, primarily used on overhead transmission and distribution lines. Also called a dead-end clamp, it is a kind of transmission line clamp.

What are the components of a tension clamp?

• The wedge and body
• Washers
• Straps
• Threaded inserts
• Bolts and Nuts

What is the function of a tension clamp?

Uses of tension clamps include:

• Providing a strong mechanical connection
• Protecting the conductor
• Limiting the movement of the conductor

What are the types of tension clamps?

Main types of tension clamps:

• Wedge tension clamps
• Cone tension clamps
• Tension clamps for high temperature

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