Re: Zapping Camera Problem

[NickMark <nmarkowitz@xxxxxxxxx>]

On Thursday, May 23, 2013 6:36:32 AM UTC-4, ABLE1 wrote:
> Hello all,
>
>
>
> Having a problem with continued Camera location being Zapped when a storm
>
> goes by. Over the past couple of years have had to replace a single camera
>
> location with new units after a storm. About six(6) cameras at this point.
>
> There are 2 cameras in this building. The other camera had been zapped as
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> well before the surge protection and ground rod was installed. Since then it
>
> just the one that has had the continued problem. The cameras are about 40
>
> feet apart.
>
>
>
> The following are the other particulars.
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>
>
> > It has always be the video side of the camera that has been hit.
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> > Building is separated from main building by about 200' of underground PVC
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> > conduit.
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> > Cable RG59
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> > Have installed at the building Ditek Surge Protector DTK-VSPBNCA. One at
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> > each camera.
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> > Ground Rod installed within 50' and #12 Ground wire to Protector
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> > Camera Powered locally with Wall Wart 24vac
>
>
>
> I know that this may be impossible but the main question is, what can be
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> done to stop this from happening??
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>
>
> > Is there a better surge/spike protector??
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> > Would a second ground rod help??
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> > Would it make a difference if the camera was powered by 12vdc??
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> > Is there a way to determine the weak point of the system??
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>
>
> Thanks for any thoughts or suggestions that would be helpful.
>
>
>
> Les

you need to unify the grounds and tie all together   a separate rod is causing step voltage