Is it ok to plug a power strip into another powerstrip?

Linux Geek <lgeek bfosotp.nil> wrote:

....

> Some manufacturers will not honour warranties if there is a failure
> and an extension cord/power distribution bar of any sort is used in
> the setup.

I guess that depends on what "any sort" means.

We don't refer to surge suppressors as "extension cords" or "power
distribution bars".

> The reason being that many extensions are constructed by
> the user/owner

I'm familiar with electronics. Constructing surge suppressors isn't
very popular AFAIK. They are a very simple design and much cheaper to
buy from a store.

Extension cords are frowned upon because sometimes they are not rated
for the current required by the device.

Yes, sometimes people don't use properly grounded connectors, but
that's another subject too.

> and in many cases do not follow the standards for
> connector connections thus rendering useless any surge protection
> that may be incorporated in the commercial UPS etc. For example
> many people do not even bother with such mundane requirements as
> ground/earth connections at all so that MOVs between hot and gnd an
> neutral and gnd on the UPS would not be functional at all.

But in fact, typically an electronics hobbyist makes stuff because
it's fun and educational, not to save money. It might not be perfectly
constructed, but most of it is by the book.

Some surge suppressors claim to insure connected equipment up to
$100,000 or more.








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> From: Linux Geek <lgeek bfosotp.nil>
> Subject: Re: Is it ok to plug a UPS into the wall? (Was something about power strips)
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On Tue, 10 Jul 2007 17:05:50 -0700, w_tom wrote:

> On Jul 10, 2:49 pm, Linux Geek <l....DeleteThis@bfosotp.nil> wrote:
>> Some manufacturers will not honour warranties if there is a failure and an
>> extension cord/power distribution bar of any sort is used in the setup.
>> The reason being that many extensions are constructed by the user/owner
>> and in many cases do not follow the standards for connector connections
>> thus rendering useless any surge protection that may be incorporated in
>> the commercial UPS etc.
>
> Read closer some of those fine print warranties. From the wording,
> a protector from any other manufacturer in the building may void the
> warranty. That warranty is typically chock full of exemptions for
> good reason. Warranty need not be honored, but warranty is cited as
> 'proof' that the protector will do something? When did words from a
> lawyer constitute science proof? Nothing in that warranty says
> anything about protection. But it does list numerous reasons why the
> warranty need not be honored.
>
> What does that protector circuit in a UPS do? Again, where are
> manufacturer numbers that define each type of surge and that
> protection - with numbers? I keep asking for these specs. Why can no
> one provide them? Because those specs do not claim protection as
> implied by so many here.
>
> Protector circuit in a UPS is the same protector circuit found in
> $10 and in $150 power strip protectors. That circuit will protect
> from a type of surge that typically does not cause damage. Therefore
> it provides surge protection. Therefore they did not lie. They just
> forget to mention: it does not even claim to protect from the type of
> surge that typically causes damage.
>
> But again, if you believe the UPS has surge protection, then you
> have numbers. Post them. What are those numbers for each type of
> surge? Why are same numbers also found in numeric spec sheets for
> plug-in protectors? Why? Same circuit.
>
> Remove that circuit from a power strip or UPS. Plug it into the
> other receptacle in a duplex power outlet. Protection circuit remains
> electrically same. Protector circuit provides exact same protection.
> Appreciate how plug-in and UPS protectors are constructed. Appreciate
> what manufacturer numerica specs really say. Appreicate why UPS and
> power strip protectors have same protection circuits. Appreicate
> which type of surges that circuit does and does not protect from.

Saweeeet baby jezuz, would someone puleeeze translate the forgoing
humongous great wad of gobbledygook? I have no idea what's being said.

--

__________________________________________________________________
Linux Geek

Saying that XP is the most stable MS OS is like saying that
asparagus is the most articulate vegetable. (Dave Barry)