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#3295903 - 02/27/14 07:46 AM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
datech Offline


Registered: 01/14/14
Posts: 411
Loc: KS
If they are GFCI protected that is probably better than the surge strips you are using. = GROUND FAULT CIRCUIT INTERRUPTER

If they don't trip that is a good sign, in my opinion.

Since you aren't trying to wire this genset into your home system I don't know if I would worry about it.

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#3295908 - 02/27/14 07:50 AM Re: are surge protectors effective on generators? [Re: datech]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 1691
Loc: Houston, Texas
It has DAVR which I guess it better then just a regular voltage regulator that a lot of generators have and they claim to hold the voltage within 1 percent so I wonder if I wasted my money on the surge protectors. I just run power tools so I'm not sure if you need to run a surge protector. The thing I liked though was that it filtered the power. Now how well it filters is beyond me.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#3295932 - 02/27/14 08:14 AM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
datech Offline


Registered: 01/14/14
Posts: 411
Loc: KS
Surge protectors are mainly to shunt high spikes from lightning strikes to ground.

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#3295960 - 02/27/14 08:45 AM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
Dave Sherman Offline


Registered: 01/03/06
Posts: 682
Loc: Ohio
Originally Posted By: motor_oil_madman
ok so it says using a ground rod isn't necessary since it's an electrocution danger. I'm still not clear on why the not grounded light is illuminated on my surge protector? Does it only recognize an actual earth ground and not something on a generator that's just grounded to the frame? I bought two so I might just return them if they aren't effective in this application.


I suspect it's trying to determine if neutral and ground are bonded, which I suspect they aren't. Doesn't matter if there's a ground rod going to the generator's ground or not, it has no way of determining that since it can only see whether there is a connection between neutral and ground. It's probably trying to tell you you've got a floating ground, but in your case you have a floating neutral.
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#3296108 - 02/27/14 10:47 AM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
datech Offline


Registered: 01/14/14
Posts: 411
Loc: KS
You might be able to get a battery back up like for a computer that would act as a power conditioner.

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#3296746 - 02/27/14 08:24 PM Re: are surge protectors effective on generators? [Re: datech]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 1691
Loc: Houston, Texas
ok so basically everything is fine and grounded properly it's just grounded differently then what a house would be grounded, thus it doesn't recognize it if it's not a neutral bonded ground. So since the green protected light is still on and the generator is grounded to the frame then then everything is still working as normal just as if it were plugged into a normal wall outlet of your house. So just ignore the red light. Do I understand this correctly? Also I'm assuming the surge protector/filter will still work properly even though the ground is different? Thanks.
_________________________
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#3296789 - 02/27/14 09:20 PM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
rjundi Online   content


Registered: 03/16/04
Posts: 6223
Loc: New England
Your surge protector/filter is useless without ground. The reason for red light is it likely will not working properly.
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2005 Legacy GT wagon 5mt - 172k - Mobil 5000/OEM Subie filter

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#3296895 - 02/27/14 11:08 PM Re: are surge protectors effective on generators? [Re: rjundi]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 1691
Loc: Houston, Texas
Originally Posted By: rjundi
Your surge protector/filter is useless without ground. The reason for red light is it likely will not working properly.


So the fact that the generator is grounded to the frame doesn't count? It has to be a neutral bonded ground?
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#3297045 - 02/28/14 08:12 AM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
Dave Sherman Offline


Registered: 01/03/06
Posts: 682
Loc: Ohio
Many surge protectors have MOVs from hot to ground and neutral to ground. Since that was designed to work in a house, where older homes sometimes didn't have grounded outlets, that red light is there in case somebody put in 3 prong outlets with no ground. I'm sure it will still work with your generator.
_________________________
'08 Honda CR-V Pennzoil 5W-30 Bosch filter
'77 MG Midget Shell Rotella T6 5W-40 Bosch filter

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#3297596 - 02/28/14 05:40 PM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
westom Offline


Registered: 10/26/09
Posts: 21
Loc: NJ
Originally Posted By: motor_oil_madman
So the fact that the generator is grounded to the frame doesn't count? It has to be a neutral bonded ground?

You have posted many popular urban myths for protectors. First, that ground is safety ground ; not earth ground. Irelevant for potentially destructive surges. A light is only reporting on what it believes is a missing safety ground connection. More on that later.

Second, a protector also does not do any filtering. Some also mistakenly believe it does voltage regulation or spike smoothing. It does not. It has a let-through voltage number on its box. That means a 120 volt protector does nothing useful until voltage exceeds 330 volts.

Third, how does that light report a defective ground? It is monitoring voltage between a green and white wire. If voltage is too high, then a 'missing ground' conclusion results. However if the generator creates tiny spikes, those spike can exceed enough voltage to trigger the 'missing ground' circuit. Those spike voltages cannot be measured by a digital meter.

Fourth, nothing inside a strip protector filters or elminates spikes that are made completely irrelevant by circuits already inside all electronics.

Your electronics connect directly to the generator by wire - if connected directly or via a power strip. What is the power strip doing?

Some generators create tiny spikes so large as to quickly degrade protectors. Honda generators generally should not. Anyone recommending protectors should know these above concepts.


Edited by westom (02/28/14 05:42 PM)

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#3297793 - 02/28/14 09:25 PM Re: are surge protectors effective on generators? [Re: motor_oil_madman]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 1691
Loc: Houston, Texas
I'm just going to return the surge protector I bought then. The power should be clean and stable enough to not matter. That was kind of the point in my spending the money on the Honda in the first place.
_________________________
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