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Downlead A downlead is an electrical cable connecting an outdoor structure to an indoor or in-ground structure. In particular, it may refer to: * Drop (telecommunication), the wire connecting an outdoor (particularly roof-mounted) antenna to the interior * The wires in a lightning protection system, which connect the lightning rods to the grounding rods
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Downlead」の詳細全文を読む
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