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https://patents.google.com/patent/CN103824632A/en CN103824632A - Intelligent extra-high-voltage photoelectric composite cable with built-in optical... The invention discloses an intelligent extra-high-voltage photoelectric composite cable with a built-in optical fiber. The intelligent extra high voltage... photoelectric composite cablehigh voltage https://patents.google.com/patent/CN203799749U/en CN203799749U - Photoelectric composite cable - Google Patents The utility model provides a photoelectric composite cable which comprises a cable core. The cable core orderly coats a tinned copper wire braided layer, an... photoelectric composite cablegooglepatents