This design with static shield (St) protects the transmission circuits against external electrical interference fields.
Twisted pair installation cables are preferably used for telecommunication installations in dry and damp operating sites, as well as in and under plaster, in the open for fixed laying.
These cables are designed for speech unit and private extension construction, signal and data transmission.
Installation cable are for heavy current installation purposes and for underground installation is not permitted.
This text is machine translated.