143922 - Miller CPC Connector Cable Clamp Strain Relief Size 17

Genuine Miller Connector Strain Relief

The Miller 143922 Connector, Circ CPC Clamp Str Rlf Size 17-20 .453od is a critical component for maintaining the integrity of your welding machine's control connections. Designed specifically for Circular Plastic Connectors (CPC), this clamp acts as a strain relief backshell, securing the cable as it enters the connector housing. By firmly gripping the cable jacket, it transfers mechanical stress away from the delicate electrical contacts inside, preventing intermittent signals or wire breakage caused by pulling, twisting, or vibration.

This specific clamp is sized for shells in the 17-20 range and is optimized for cables with an outer diameter of approximately 0.453 inches. It is commonly found on Miller welding power sources, wire feeders, and remote control cables (such as 14-pin amphenol style assemblies). Using genuine Miller replacement parts ensures that the threading and dimensions match your existing equipment perfectly, maintaining the environmental sealing and mechanical strength intended by the manufacturer.

Application and Installation

Replacing a damaged or missing strain relief is essential for equipment longevity. Without this clamp, the weight of the cable alone can damage the solder or crimp joints within the plug. Installation is straightforward: the clamp threads onto the rear of the CPC connector body. Ensure your cable fits the specified .453" OD for optimal gripping force. This part is ideal for repair technicians and maintenance personnel looking to refurbish Miller control cables and extend the service life of their welding setups.