| 摘要 |
<p>A ground-check conductor (20) includes an electrical conductor (22) surrounded by an electrically insulated layer (23), where the ground-check conductor (20) further includes an elongated central core (21) surrounded by said electrical conductor (22), the elongated central core (21) being directly in physical contact with said electrical conductor (22), and having a breaking strength of at least 3500 N.
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