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Old 08-17-2014, 05:06 PM   #1
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Surge Suppressor question


I'm installing an outlet behind my wall mounted tv and was going to put in one of those outlets with the surge suppressor built in. I then noticed that my tv has the two prong double insulated style cord and started wondering whether a surge suppressor would work with this type of cord? Should I just put in a regular outlet?
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Old 08-17-2014, 05:08 PM   #2
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It will still minimize any surges on the line, regardless ot the load being served.

I would condiser a SPD (Surge Protective Device) at the main service as well.
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Old 08-17-2014, 11:45 PM   #3
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Actually it would be a waste with a polarized plug.



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Old 08-18-2014, 04:56 AM   #4
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Quote:
Originally Posted by gregzoll View Post
Actually it would be a waste with a polarized plug.
So a surge on the ungrounded conductor or neutral (grounded conductor) is of no concern?
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Old 08-18-2014, 05:57 AM   #5
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Provided the power strip has a ground
The spike filter will work
Even.if the tv does not have a mains ground.
Ps the tv could get a ground from the antenna system.
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Old 08-18-2014, 06:25 AM   #6
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a transient surge in the voltage supply is goint to be transmitted through the power supply conductors - no matter if they are insulated, polarized, or if there is a three prong ground in use.

a surge suppressor is designed to absorb or re-route the voltage spike so it will not damage the load device (tv). most electronic devices do have a mov just inside the cabinet which will also help in removing the spike.

a decent lighning strike can take out almost every electrical device in a house.
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Old 08-18-2014, 05:17 PM   #7
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Quote:
Originally Posted by TimPa View Post
a transient surge in the voltage supply is goint to be transmitted through the power supply conductors - no matter if they are insulated, polarized, or if there is a three prong ground in use.

a surge suppressor is designed to absorb or re-route the voltage spike so it will not damage the load device (tv). most electronic devices do have a mov just inside the cabinet which will also help in removing the spike.

a decent lighning strike can take out almost every electrical device in a house.
I have completed quite a few lighning investigations and one thing I have learned, with lighting any possible level of damage is possible. We have one cell site that we have replaced all the equipment several times. One time the tower took a hit, fried everything in the site, everything in the 7-11 200' away, and a large quanity of Comcast equipment in an adjacent facility. In the cell site it blew the SPD off the wall.

SPD's are a worthy investment, but depending on the magnitude and duration of the stroke will depned on the amount of damage.
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Old 08-18-2014, 05:41 PM   #8
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Whilst it is true that for a large or sustained lightning strike
Ain't much gunna help, lightning will do what it wants.

But for smaller spikes and strikes they can help,
So there not a total waste.

But we have really gone off topic
The main question was weather there needs to be a ground on the tv
for the spike filter to work ?


The answer is no !
But there needs to be a ground on the power strip.
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