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<blockquote data-quote="DishDick" data-source="post: 737433" data-attributes="member: 216974">Hi,&nbsp;Hope someone can help. For various reasons I have a problem with my dish and distribution system. But whilst working on a multiswitch I discovered another potential problem. The multi switches I use are modular, and when you open up the plastic case you come to the metal screen (Can). Open that and on each side of the panel is foam/sponge, and that is separated from the board by thick tissue paper (like grease proof paper). Now the paper doesn´t always fit well, and I don´t know what made me do it but I measured the paper - no measurable conductance of electricity. I then measured the foam - its seems to be a good conductor. &nbsp;What I am therefore worried about, is where the paper doesn´t cover the panel well or if it gets damp will this cause problems? Any idea why they fill the gap between the panel and the screen with paper and foam? Normally I think if the manufacturer puts something in, it must be there for a reason, but I can´t see the logic here. Surely if there was no paper or foam there would be no chance of unintentional flows of electricity and the components would run at a lower temp as there would be plenty of air.&nbsp;Would welcome people thoughts, as I am thinking of removing the paper and foam from all the multi switches.</blockquote>

[QUOTE="DishDick, post: 737433, member: 216974"] [FONT=Tahoma]Hi,[/FONT] [FONT=Tahoma] [/FONT] [FONT=Tahoma]Hope someone can help. For various reasons I have a problem with my dish and distribution system. But whilst working on a multiswitch I discovered another potential problem. The multi switches I use are modular, and when you open up the plastic case you come to the metal screen (Can). Open that and on each side of the panel is foam/sponge, and that is separated from the board by thick tissue paper (like grease proof paper). Now the paper doesn´t always fit well, and I don´t know what made me do it but I measured the paper - no measurable conductance of electricity. I then measured the foam - its seems to be a good conductor. [/FONT] [FONT=Tahoma] [/FONT] [FONT=Tahoma]What I am therefore worried about, is where the paper doesn´t cover the panel well or if it gets damp will this cause problems? Any idea why they fill the gap between the panel and the screen with paper and foam? Normally I think if the manufacturer puts something in, it must be there for a reason, but I can´t see the logic here. Surely if there was no paper or foam there would be no chance of unintentional flows of electricity and the components would run at a lower temp as there would be plenty of air.[/FONT] [FONT=Tahoma] [/FONT] [FONT=Tahoma][/FONT] Would welcome people thoughts, as I am thinking of removing the paper and foam from all the multi switches. [/QUOTE]

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