Copper conductors are used for the grounding of machines and devices.
Annealed cables are used for earthing purposes in electrical installations. They have a mathematical tensile strength of 200 N/sqmm. Hard-drawn conductors are used primarily as overhead lines. Their mathematical tensile strength is 400 N/sqmm.
Earthing cable with braided fine-wire conductor core for use in portable earthing and short circuit-devices, particularly for repair work on high-voltage systems for the safety of technical personnel.
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