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Anonymous Poster

Outlet With Built In Surge Protector?

06/01/2010 11:08 PM

My in-laws computer system stopped working and simply put the power to the outlet is no more. I have checked all the fuses and all are good, even checked GFI's, good there as well.

I plan on simply replacing but was wondering if there is an outlet that has built in surge protector.

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Guru

Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#1

Re: Can a 110 volt US outlet just go bad

06/01/2010 11:21 PM

Not normally.

If it was mine, I'd buy one of these first.

Or, take the receptacle out and check the bare wires. Do you have any type of tester?

Be careful!!!!!!!!!!!!!!!!!!

If you have never done this before, Hire an electrician!!!!!!!!!!!!!!!!!!!!!!!!!!!

Google.

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Power-User

Join Date: Dec 2006
Posts: 346
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#2

Re: Can a 110 volt US outlet just go bad

06/02/2010 12:07 AM

guest; yes their outlots made with the surge built in. perry

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Guru
United States - Member - Member Engineering Fields - Electrical Engineering - Electrical Construction

Join Date: Apr 2010
Location: Mid Western USA - The Corn Belt
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#3

Re: Outlet With Built In Surge Protector?

06/02/2010 10:06 AM
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Active Contributor

Join Date: Jun 2010
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#4

Re: Outlet With Built In Surge Protector?

06/02/2010 7:36 PM

Destructive surges are hundreds of thousands of joules. How does an outlet protector rated for hundreds of joules absorb surges that are a thousand times larger?

Destructively surges that cannot be stopped by three miles of sky will be stopped by a 2 cm part inside the receptacle? Of course not. Which is why any facility that cannot suffer damage, instead, earths one 'whole house' protector where wires enter the building? A surge that connects short ('less than 10 feet') to earth does not seek earth ground destructively via your furnace, bathroom GFCI, digital clocks, or in-laws computer.

More responsible companies sell this "$1 per protected appliance" solution. Protectors that have that always required short and dedicated wire to earth one from General Electric, Square D, Siemens, Intermatic, and Leviton - to name but a few. A Cutler-Hammer solution sells in Lowes and Home Depot for less than $50. A protector also necessary to protect any 'in the receptacle' protectors. And the furnace, refrigerator, bathroom GFCIs, dishwasher, etc.

No protector does protection. Protection is always about where energy (hundreds of thousands of joules) dissipates. Either a protector makes that short connection to single point earth ground. Or it does nothing useful. Protection is not the protector. Protection is earth ground. Which is why breaker box earthing might be upgraded to both meet and exceed post 1990 National Electrical Code?

Nothing need be changed inside the house. Essential is one 'whole house' protector so that every incoming wire connects short to earth. And an always required single point ground (so that even a telco 'installed for free' 'whole house' protector connects to the same earthing electrode).

Protection is always about where energy dissipates. Either energy is inside the building hunting for earth destructively via appliances (even with that wall receptacle protector). Or energy dissipates harmlessly outside the building. Your choice. A protector is only as effective as its earth ground.

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