The top of the crimp brandishes the verifiable hex crimp while the bottom indents and holds the connector securely in place.
As flexible-conductor cabling becomes more common in wind turbine applications, new challenges are arising for electric installers. Due to the nature of flexible conductors, the traditional hex-style crimp can leave the connection vulnerable in certain applications to a reduction in pull-out rating. The indent-style crimp works better than the hex-style crimp on a flex cable, but creates the same problem on flex cable as it does on the code cable — limited ability to inspect for a proper crimp.
Electric connector manufacturer Thomas & Betts has devised a product to address this issue. Their HEX-FLEX crimp uses a hex-shaped upper die to create an inspect-able, verifiable, embossed hex crimp on the top side of the connector, while an indented crimp on the bottom increases the pull-out resistance of the connector.
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