Unusual electrical symbol on aircraft schematic diagram?

[From: ] [author: ] [Date: 17-04-20] [Hit: ]

..Bob say: Philomel and Born Yesterday have given the answer, it is a feed though capacitor mounted in a hole in a shielded enclosure and connected to ground or the common air frame. The purpose is to allow connection from and to the items within the screened enclosure while blocking any high frequency signals that may interfere with the either the circuit in the enclosure or the external circuits. This arrangement is commonly used in RF and microwave applications.......

Unusual electrical symbol on aircraft schematic diagram?
On aicraft schematic/wiring diagram I found this electrical symbol. To the above case I found it on a DC line and to the under case I found it on AC 3 phase line. I found the same symbol also on a ground (earth) line. It must be related to the connectors which pass through these 3 different cases. Does anyone know...
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answers:
Bob say: Philomel and Born Yesterday have given the answer, it is a feed though capacitor mounted in a hole in a shielded enclosure and connected to ground or the common air frame. The purpose is to allow connection from and to the items within the screened enclosure while blocking any high frequency signals that may interfere with the either the circuit in the enclosure or the external circuits. This arrangement is commonly used in RF and microwave applications.
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derfram say: They come in various styles. My first thought would be along the line of:
http://www.balticnordic.com/images/produ...
http://www.ferroperm.com/gfx/news_images...
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Philomel say: This is called a feed through capacitor.

https://en.wikipedia.org/wiki/Feedthroug...
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Lee26Caloo秦君子蘭 say: GROUNDING SHIELD.
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