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<blockquote data-quote="Channel Hopper" data-source="post: 13533" data-attributes="member: 175144"><p>It could well be the pulse sent down the cable which is used to chanbge polarity of the incoming signal. A 4 volt rise or drop in voltage will have an asociated magnetic pulse due to (looking back into the depths of my school days in what is now an Emmental styled brain) Flemings Left hand rule </p><p></p><p>If its worrying you then simply run a loose length of cable on one run to check if it goes away</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 13533, member: 175144"] It could well be the pulse sent down the cable which is used to chanbge polarity of the incoming signal. A 4 volt rise or drop in voltage will have an asociated magnetic pulse due to (looking back into the depths of my school days in what is now an Emmental styled brain) Flemings Left hand rule If its worrying you then simply run a loose length of cable on one run to check if it goes away [/QUOTE]
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