Re: Zapping Camera Problem

["ABLE1" <nospamhere@xxxxxxxxxxx>]

"NickMark" <nmarkowitz@xxxxxxxxx> wrote in message
news:e45c190e-615a-4315-95e9-da30b2a69140@xxxxxxxxxxxxxxxxxxx
> 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
>>
>> 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.
>>
>>
>>
>> > It has always be the video side of the camera that has been hit.
>>
>> > Building is separated from main building by about 200' of underground
>> > PVC
>>
>> > conduit.
>>
>> > Cable RG59
>>
>> > Have installed at the building Ditek Surge Protector DTK-VSPBNCA. One
>> > at
>>
>> > each camera.
>>
>> > Ground Rod installed within 50' and #12 Ground wire to Protector
>>
>> > Camera Powered locally with Wall Wart 24vac
>>
>>
>>
>> I know that this may be impossible but the main question is, what can be
>>
>> done to stop this from happening??
>>
>>
>>
>> > Is there a better surge/spike protector??
>>
>> > Would a second ground rod help??
>>
>> > Would it make a difference if the camera was powered by 12vdc??
>>
>> > Is there a way to determine the weak point of the system??
>>
>>
>>
>> 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


Hi Nick,

By "causing step voltage" are you referring to the term "ground potential"??

And by " unify the grounds" do you mean to connect or bond to building
ground as well??

Thanks,

Les