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Sky q communal earthing
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<blockquote data-quote="Terryl" data-source="post: 1073627" data-attributes="member: 369937"><p>Any one cable connected to the ground will ground the whole system if that cable is run to any multi switch or distribution block with a metal body, metal shielding in the coax will do that for you, that ground strip with all the cables run through it will ground the whole system quite nicely, adding a copper wire to bond the switch to it, then to any ground point would be over kill, but some inspector's and local regulations may be a bit picky. </p><p></p><p>The 11 cables attached to this ground block I assume (with out a pic of the whole setup) come from somewhere, more then likely the multi-switch, this ground block would be an effective ground for the whole system, but I would have used a heavier gauge ground wire for that many connections.</p><p></p><p>With all coax going through that ground block, you could remove all but one and the multi-switch would still be grounded. (if that coax goes back to the multi-switch)</p><p></p><p>If the multi-switch had been grounded then the ground block it's self would not have been needed, but in this case more then likely added for code requirement.</p><p></p><p>With RF systems that have many connections and cables run to who knows where, you have to be carfull on the ground system, you do not want to create a ground loop in that system, over grounding or bonding the whole the system may look good on paper, but can have a reverse effect, it could create a ground loop situation, this could cause problems with signal or even audio quality at the far end connections.</p></blockquote><p></p>
[QUOTE="Terryl, post: 1073627, member: 369937"] Any one cable connected to the ground will ground the whole system if that cable is run to any multi switch or distribution block with a metal body, metal shielding in the coax will do that for you, that ground strip with all the cables run through it will ground the whole system quite nicely, adding a copper wire to bond the switch to it, then to any ground point would be over kill, but some inspector's and local regulations may be a bit picky. The 11 cables attached to this ground block I assume (with out a pic of the whole setup) come from somewhere, more then likely the multi-switch, this ground block would be an effective ground for the whole system, but I would have used a heavier gauge ground wire for that many connections. With all coax going through that ground block, you could remove all but one and the multi-switch would still be grounded. (if that coax goes back to the multi-switch) If the multi-switch had been grounded then the ground block it's self would not have been needed, but in this case more then likely added for code requirement. With RF systems that have many connections and cables run to who knows where, you have to be carfull on the ground system, you do not want to create a ground loop in that system, over grounding or bonding the whole the system may look good on paper, but can have a reverse effect, it could create a ground loop situation, this could cause problems with signal or even audio quality at the far end connections. [/QUOTE]
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Sky q communal earthing
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