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<blockquote data-quote="~Magick_Man~" data-source="post: 1018143" data-attributes="member: 560423"><p>the diode attaches to the control side of the relay, when the field collapses a negative voltage pulse will be sent from the relay up whatever wire is supplying it with the control voltage.</p><p></p><p>in our cases this would be our hu.</p><p></p><p>that negative voltage spike *can* damage the internals of sensetive electronics.</p><p></p><p>with the diode installed when this negative puilse goes up the remote wire it will be sent directly to ground so not to cause any problems</p><p></p><p>so it is just for a measure of safety, odds are nothing would happen if the diode wasnt used but why would you want to risk a several hundred dollar hu for a</p><p></p><p>that would be just silly.</p><p></p><p>~Magick_Man~</p></blockquote><p></p>
[QUOTE="~Magick_Man~, post: 1018143, member: 560423"] the diode attaches to the control side of the relay, when the field collapses a negative voltage pulse will be sent from the relay up whatever wire is supplying it with the control voltage. in our cases this would be our hu. that negative voltage spike *can* damage the internals of sensetive electronics. with the diode installed when this negative puilse goes up the remote wire it will be sent directly to ground so not to cause any problems so it is just for a measure of safety, odds are nothing would happen if the diode wasnt used but why would you want to risk a several hundred dollar hu for a that would be just silly. ~Magick_Man~ [/QUOTE]
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