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Can a flooded connector or cable be repaired?

If a cable is cut and water enters, the water will “wick” (travel) along the copper strands very quickly due to capillary action. You generally cannot “dry out” a cable. The standard repair is to cut back the cable meter by meter until you find dry copper, and then install a new connector or splice.

Water travels fast inside a cable.

  • Diagnosis: Cut the cable 10cm from the damage. If the copper turns black or water drips out, cut another meter back. Repeat until the copper is bright and dry.
  • Replacement: Once you reach dry cable, you can mold a new connector (if you have the equipment) or install a field-installable splice kit.
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John Zhang

(CEO & Lead Engineer)
Email: [email protected]
With over 15 years of expertise in subsea interconnect technology, I lead HYSF's R&D team in designing high-pressure (60MPa) solutions. My focus is on ensuring zero-leakage reliability for ROVs, AUVs, and offshore instrumentation. I personally oversee the validation of our custom connector prototypes.

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