| 摘要 |
PROBLEM TO BE SOLVED: To provide a constitution for a composite electrical insulator provided with an optical fiber, different from the constitution in the conventional art. SOLUTION: The composite electrical insulator comprises a support rod 6 generally consisting of a composite material, at least one optical fiber 1, 1A, 1B, 1C and 1D placed on the periphery of the support rod, an outer insulating coating 9 consisting of a vulcanized material surrounding the support rod so as to cover the optical fiber. The optical fiber has an outer sheath 2 consisting of a material that is compatible with the material constituting the outer coating so that a cohesive bond forms between the outer sheath of the optical fiber and the outer coating of the insulator while the outer coating is being vulcanized.
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