Assertion: fiber optic cable's fiber | /r/HasProperty | nonconductive
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Source sentences:
text: Because fiber is nonconductive, all fiber optic cable types can be used where electrical isolation is needed -- for instance, between buildings where copper cables could experience ground potential differences.
text: Underwater lighting such as used in swimming pools and fountains or illumination in hazardous atmospheres can be done safely with fiber optic lighting, since the fiber is nonconductive and the power for the light source can be placed in a safe location.