RE: Flame Spread

[Peter Tarver]

Richard -

I have no direct evidence to support a claim either way, but if a material
can only meet HB requirements, I have strong doubts about its ability to
have a FS of 200, using ASTME84 test.  The Steiner Tunnel testing uses a
significantly different method from the 1/2 in. flame test used for HB
testing.  The burner configurations, amount of heat evolved from the burners
and the sample size requirements make the two tests almost impossible to
compare.  It's like comparing a match stick to a bonfire.

This is not to say that some HB rated material might not be capable of
garnering a FS=200.  Some materials are rated HB, only because that's what
the resin manufacturer requested to have the material tested for.  It might
possibly meet one or another vertical flame rating requirements, or even 5V,
but if the resin manufacturer only requested HB, that's the best they'll get
(this is based on my experience testing plastics and printed wiring boards
during my tenure at UL), because they aren't interested in paying for
vertical flame testing.

Regards,

Peter L. Tarver, PE
ptar...@nortelnetworks.com


-Original Message-
From: wo...@sensormatic.com
Sent: Friday, July 28, 2000 7:46 AM



I have heard that HB flame rated plastics is considered compliant with the
UL723 / ASTM E84 flame spread rating of 200. Doe anyone have any information
on this?

Richard Woods

Re: "Insulation" testing

[Rich Nute]

The subject answers your question about the constraints
on such testing:  

Equipment insulation testing. 

For the purposes of this discussion, there are two
applications (or kinds) of insulation:

1)  Insulation between the poles of a circuit or the
insulation within a circuit (also known as 
"functional" or "operational" insulation).

2)  Insulation between two circuits that are electrically
isolated from each other (e.g., insulation between 
primary and secondary circuits; insulation between
primary circuits and ground).

In the field of safety, insulation is the principal means
of providing protection against electric shock.  When the
voltage of a circuit exceeds an arbitrary value (e.g., 
30 V rms), insulation must be interposed between the body
and the circuit conductors.  This interposed insulation
protects the body from electric shock from the circuit.

(In the field of safety, the body is presumed to be 
electrically connected to ground.)

Insulation that is interposed between the body and the
circuit conductors, by definition, is an insulation 
between two circuits that are electrically isolated from
each other, (2).  The functional circuit is one circuit,
and the body, by virtue of being connected to ground, is
another circuit.  The insulation between the body and the
circuit is an insulation that provides isolation between
two circuits.

Or, consider the consequences of a short-circuit of the
insulation.  If the short-circuit would result in a high 
current through the body, then the insulation is an 
isolating insulation.  If the short-circuit would result
in an equipment malfunction (and no current through the
body), then the insulation is not an isolating insulation 
but a functional insulation.

Consider the overhead power line.  The air between you and
the wires is an isolating insulation, and provides 
protection against electric shock.  However, the air 
between any two wires is a functional insulation.

As a general rule, isolating insulations are not bridged
by components (because the circuits would no longer be
isolated).  Functional insulations are necessarily
bridged by components (because they require voltage or
current for operation).

There are two insulation tests commonly required for
isolating insulations:

a)  Insulation resistance test.

b)  Insulation voltage withstand (hi-pot) test.

Neither test can be applied to functional insulation 
because the insulation is bridged by various components
which would either limit the voltage or be destroyed by
the voltage.

Writers of early safety standards did not fully understand
the difference between the two insulations.  Manufacturers
complained that the voltage test would damage components.
So, since they were only concerned with the integrity of
insulation, all parties involved readily accepted a 
proviso that pole-to-pole components could be disconnected
during the voltage test.

Another conclusion to the question of what insulations 
require testing (sorting out isolating insulations from
functional insulations) is simply that those circuits 
that would be damaged by the voltage test are not 
isolating insulations.


Best regards,
Rich


ps:  Yes, some isolating insulations do have components 
 across them:  Y capacitors and high-value resistors.

 A capacitor is two conductors separated by an 
 insulator.  Y capacitors are especially designed to
 withstand the voltage test.

 An insulation is a high resistance component, where
 the value of the resistance is sufficiently high as
 to be largely inconsequential to the function.






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10m EMC SACs

[Wolak, Marvin]

I have some questions for those of you that work directly with or have other
first hand experience with 10m SACs.  I am in the process of evaluating the
various options and vendors for a SAC and this input would be beneficial.

1)  Who was the vendor?  How would you rate them?
2)  How old is the chamber?  How well is it holding up?
3)  What would you change if you could rebuild it?
4)  What would you keep the same?

>From the responses to the above, I hope to get a good feel for the different
vendors, not just from what the chosen references have to say.  Also, I hope
to get a sense of the experience level of the different vendors. 

Thanks Much,
Marvin Wolak

Marconi Communications
EMC Engineering, Product Integrity
Ph: 724-742-7453
Fx: 724-742-7474
EMail: marvin.wo...@marconi.com


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RE: Home safety

[Peter Tarver]

Other items include:

service entrance equipment
panelboards and circuit breakers (in general)
insulated wiring
GFCI outlets
flue dampers
double-walled flue pipes

Regards,

Peter L. Tarver, PE
ptar...@nortelnetworks.com



-Original Message-
From: Price, Ed
Sent: Monday, July 31, 2000 6:56 AM


Safety isn't exactly my specialty, but a question on Usenet got me to make a
list of all the items "built into" a home for safety purposes. I didn't
think there would be very many, but the list sure did grow! I thought you
might be interested.


Grounded electrical outlets
Ground fault circuit breakers
Thermocouple in gas water heater to sense pilot flame outage
Water heater over-temperature/pressure relief valve
Thermocouple in gas furnace to sense pilot flame outage
Flue gas sensor in gas furnace to verify positive stack ventilation
Screen atop fireplace chimney to contain sparks
Special roof stack feed-through thermal protectors for furnace, water heater
Fire resistant roof shingles
P traps in drain lines to lock out sewer gas
Water trap in toilet bowl to lock out sewer gas
Lightning arrestor in telephone demarc box
Lightning arrestor in cable TV line
Non-slip concrete surface treatments
Gas supply earthquake shut-off valve
Tempered glass or plastic bath doors
Over-temperature sensor in dishwasher
Over-temperature sensor in electric clothes dryer
Over-temperature cut-out in furnace / air conditioner / dishwasher / clothes
washer / dryer motors
Tip-over sensor in space heater
Off-balance sensor in clothes washer
Automatic external night lighting
Motion sensing night lighting
Smoke / heat / carbon monoxide detectors
Radon detectors
Automatic fire sprinklers
Entrance railings for stairways
Hand rails for internal stairways
Anti-slip tub and showers stall floors
Grip rails in bath areas
Intrusion detection and security systems
Main entrance security doors
Main entrance door security viewport
Trim strips to secure carpet edges


Regards,

Ed


:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-)
Ed  Price
ed.pr...@cubic.com
Electromagnetic Compatibility Lab
Cubic Defense Systems
San Diego, CA.  USA
858-505-2780 (Voice)
858-505-1583 (Fax)
Military & Avionics EMC Services Is Our Specialty
Shake-Bake-Shock - Metrology - Reliability Analysis
:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-)



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"Insulation" testing

[k3row]

Can anyone help resolve my confusion over the issue of equipment insulation
testing and the constraints on such testing associated with components that
might get damaged by such tests.

More specifically, there are various safety standards that require (say) a
high voltage test of (say) 1000v rms between hazardous equipment inputs and
eathed equipment cases (basic insulation). In some instances they may say
that testing is not mandatory if connected components might get damaged by
such a test.

This seems odd to me unless the damage talked about is to cause "safety
critical" components to fail safe - otherwise, by definition, such
components must prejudice the safety of the equipment.

I am coming at this from the point of view of military and civil aircraft
equipments, and their connections to (often) 115v rms line to neutral)
aircraft power systems. BS 3G 100, for instance makes statements about "no
test if damage may occur". This is an old standard. However, commercial
ground based equipment standards often lead the way in safety and offer
much useful information that can be interpreted in the context of military
avionics. They don't seem awfully clear either.

Can anyone offer any useful information?

Are there safety specific groups out there?

Dave Palmer


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Aircraft Equipment Safety

[k3row]

BS 3G 100 is one of the few british standards that I am aware of relating
to military aircraft and equipment electrical insulation requirements.

This british standard is quite old and lags far behind its commercial
sector  ground equipment counterparts.

Does anybody have any knowledge of what other insulation requirements might
be used in the military aircraft equipment industry, and by whom they are
used?

Dave Palmer


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Looking for Volunteers for IEEE EMC Symposium

[Rich Nute]

(Posted for Joe O'Banion)



I am one of the volunteer co-coordinators for the 
2000 IEEE International Symposium on Electromagnetic 
Compatibility to be held in Washington DC from August 
21 to the 25.  I need volunteers to help with 
registration and support for the various sessions and 
workshops being held at the symposium.  

I can be reached at 301-987-1333.

The Symposium committee is offering the following 
benefits to volunteers this year:

1.  A day of admission to the exhibit halls for each 
4 hours of volunteer work.

2.  Up to $15 dollars for expenses for the day 
(parking, subway fare, etc.)

3.  An article of clothing (hat) that will be given 
to the volunteers.

4.  I also believe a continental-style breakfast and 
light lunch will be offered to volunteers during 
the times they volunteer.

5.  Volunteers will also have access to the session or 
workshop they are assisting with.

Potential volunteers may e-mail me with their 
availability dates and interests at either 

hoban...@racalcomm.com 
joban...@bellatlantic.net  .

Alternatively, volunteers can call me at the number 
above.  

This is an excellent opportunity for college students 
interested in electromagnetic compatibility to meet 
the major players in the EMC field and attend sessions 
taught 
by world-class experts in EMC.  

Spouses can also learn something about the work of 
their mate's profession.  It is also an excellent 
opportunity for EMC professionals to assist colleagues 
in their presentations and get a chance to walk through 
the exhibits.

Thank you for your time and I appreciate your help.


Sincerely:

Harold G. O'Banion, Jr. (Joe)
Sr. EMC/TEMPEST Engineer
Racal Communications, Inc.
5 Research Place
Rockville, MD 20850



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RE: Euro English

[Gorodetsky, Vitaly]

Three years old jokes should be dropped from the discussion (and any other)
list of the EMC-PSTC.

Regards,
VG
The suitability of this information for making decision is solely with the
reader


-Original Message-
From:   wo...@sensormatic.com [SMTP:wo...@sensormatic.com]
Sent:   Monday, July 31, 2000 8:23 AM
To: emc-p...@majordomo.ieee.org
Subject:Euro English


The European Union commissioners have announced that agreement has
been
reached to adopt English as the preferred language for European
communications, rather than German, which was the other possibility.
As
part of the negotiations, Her Majesty's Government conceded that
English
spelling had some room for improvement and has accepted a five-year
phased plan for what will be known as EuroEnglish (Euro for short).
In
the first year, "s" will be used instead of the soft "c". Sertainly,
sivil servants will resieve this news with joy. Also, the hard "c"
will
be replaced with "k". Not only will this klear up konfusion, but
typewriters kan have one less letter.
There will be growing publik emthusiasm in the sekond year, when the
troublesome "ph" will be replaced by "f". This will make words like
"fotograf" 20 per sent shorter.
In the third year, publik akseptanse of the new spelling kan be
expekted
to reach the stage where more komplikated changes are possible.
Governments will enkorage the removal of double letters, which have
always ben a deterent to akurate speling. Also, al wil agre that the
horible mes of silent "e"s in the languag is disgrasful, and they
would
go.  By the fourth year, peopl wil be reseptiv to steps such as
replasing
"th" by z" and "w" by v During ze fifz year, ze unesesary "o" kan be
dropd from vords kontaining "ou", and similar changes vud of kors be
aplid to ozer kombinations of leters.
After zis fifz yer, ve vil hav a reli sensibl riten styl. Zer vil be
no
mor trubls or difikultis and evrivun vil find it ezi tu understand
ech
ozer.  Ze dreem vil finali kum tru.



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EMC-PSTC list administrator volunteer wanted.

[Rich Nute]

As you know, this list is adminstered by volunteers.

Jim Bacher has been administering the emc-pstc
listserver for several years.  Its time to give
him a rest, and ask for a volunteer to take his
place.

We are seeking a volunteer to help administer the 
emc-pstc subscription e-mail address list.

We have two volunteers who:

verify and add new subscribers
verify and drop discontinued subscriptions
change subscriber addresses
fix subscriber address problems

The administrator gets 4 kinds of messages from 
majordomo (the listserver software) and from 
subscribers:

1-  subscription requests
2-  subscription inquiries (problems)
3-  listserver bounce (delivery failure) messages
4-  non-subscriber posting attempts

Each volunteer handles about half of our 800+
subscriber list, anywhere from 0 to 10 transactions
per volunteer per day.  Average about 15-20 minutes
per day.

It takes 2 months or so to gain proficiency in 
dealing with the bounce messages, as these take
some interpretation and experience to recognize if
any action is necessary.  While we require no formal
commitment, we would like our volunteers to stay
for 2 years or so.

The volunteer's e-mail system must have no cap on
the number of messages.  You should be able to read
and forward message headers.  Your e-mail system 
should have a high-speed connection to the internet.

Our goal is to identify some candidate volunteers,
then meet and interview candidates at the IEEE EMC
Symposium in Washington on the afternoon of August 
21.  However, meeting at the Symposium is something
we'd like to do, and is not required (if you are 
not planning on attending the Symposium).

The administrator can be located anywhere in the
world (one of our past admins was in Japan).

If you are interested in helping us run this listserver,
please send e-mail to the three of us:

Richard Nute ri...@sdd.hp.com
Jim Bacher   jim_bac...@mail.monarch.com 
Michael Garretsonpstc_ad...@garretson.org 


Thanks, and best regards,
Rich









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RE: Heavy Industrial vs. Light Industrial

[Mike Hopkins]

The Generic standards for industrial and residential contain definitions:

Industrial (from EN 50081-2)
Industrial locations are characterized by the existence of one or more of
the following conditions:
- industrial, scientific and medical (ISM) apparatus are present
- heavy inductive or capacitive loads are frequently switched;
-currents and associated magnetic fields are high.
These are the major contributors to the industrial electromagnetic
environment and as such distinguish the industrial from other environments.

Residential, commercial and light industry (from EN 50082-1)
The environments encompassed by this standard are residential, commercial
and light-industrial locations, both indoor and outdoor. The following list,
although not comprehensive, gives an indication of locations which are
included:
- residential properties, e.g. houses, apartments;
-retail outlets, e.g. shops, supermarkets;'
-business premises, e.g. offices, banks;
-areas of public entertainment, e.g. cinemas, public bars, dance halls;
-outdoor locations, e.g. petrol-stations, car parks, amusement and sports
centres;
-light -industrial locations, e.g. workshops, laboratories, service centres.
Locations which are characterized by being supplied directly at low voltage
from the public mains network are considered to be residential, commercial
or light industrial.

How's that??

Mike Hopkins,
KeyTek



-Original Message-
From: don_macart...@selinc.com [mailto:don_macart...@selinc.com]
Sent: Friday, July 28, 2000 11:40 AM
To: emc-p...@majordomo.ieee.org
Subject: Heavy Industrial vs. Light Industrial





I'm looking for a good definition of what a typical heavy and light
industrial
environment is.  Is there an official definition?  If so, where can I obtain
it?

Thanks,
Don



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RE: Harmonics

[WOODS]

The Commission has commented on this situation in their explanatory
document. A non-compliant product may remain in distribution virtually
forever if it entered distribution prior to the effective date.

Richard Woods

--
From:  Joshua Wiseman [SMTP:jwise...@printronix.com]
Sent:  Monday, July 31, 2000 11:06 AM
To:  Emc-Pstc (E-mail)
Subject:  Harmonics

Hi Group, 

A question has been asked of me regarding equipment that does not
comply with EN 61000-3-2. Our equipment does not comply today, there is
however a plan to introduce a new power supply to the product that does
comply. The new unit has been tested. Management does not want to spend the
money to implement this until necessary. (Same old story.) They have asked
me to find out if one of our European distributors buys some product and it
is in country before 12/31/00. What is the implications of them selling it
after the first of the year in that country or any other part of the EU.

Joshua Wiseman 
Product Safety/EMC 


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Euro English

[WOODS]

The European Union commissioners have announced that agreement has been
reached to adopt English as the preferred language for European
communications, rather than German, which was the other possibility. As
part of the negotiations, Her Majesty's Government conceded that English
spelling had some room for improvement and has accepted a five-year
phased plan for what will be known as EuroEnglish (Euro for short).  In
the first year, "s" will be used instead of the soft "c". Sertainly,
sivil servants will resieve this news with joy. Also, the hard "c" will
be replaced with "k". Not only will this klear up konfusion, but
typewriters kan have one less letter.
There will be growing publik emthusiasm in the sekond year, when the
troublesome "ph" will be replaced by "f". This will make words like
"fotograf" 20 per sent shorter.
In the third year, publik akseptanse of the new spelling kan be expekted
to reach the stage where more komplikated changes are possible.
Governments will enkorage the removal of double letters, which have
always ben a deterent to akurate speling. Also, al wil agre that the
horible mes of silent "e"s in the languag is disgrasful, and they would
go.  By the fourth year, peopl wil be reseptiv to steps such as replasing
"th" by z" and "w" by v During ze fifz year, ze unesesary "o" kan be
dropd from vords kontaining "ou", and similar changes vud of kors be
aplid to ozer kombinations of leters.
After zis fifz yer, ve vil hav a reli sensibl riten styl. Zer vil be no
mor trubls or difikultis and evrivun vil find it ezi tu understand ech
ozer.  Ze dreem vil finali kum tru.



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 Richard Nute:   ri...@ieee.org

RE: 8591EM monitor output (thanks)

[Bailey, Jeff]

Thanks to all that responded.  I did buy a modulator and of course that's
all I needed.
wow, that 19" tv sure is a welcome improvement over the standard display.

cheers,

Jeff



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 Richard Nute:   ri...@ieee.org

Harmonics

[Joshua Wiseman]

Hi Group,

A question has been asked of me regarding equipment that does not comply
with EN 61000-3-2. Our equipment does not comply today, there is however a
plan to introduce a new power supply to the product that does comply. The
new unit has been tested. Management does not want to spend the money to
implement this until necessary. (Same old story.) They have asked me to find
out if one of our European distributors buys some product and it is in
country before 12/31/00. What is the implications of them selling it after
the first of the year in that country or any other part of the EU.

Joshua Wiseman
Product Safety/EMC

RE: Electrical safety of firearms

[Mike Hopkins]

My favorite is the light bulb and socket - simply changing a light bulb is
inherently unsafe..
 
Mike Hopkins

-Original Message-
From: Peter Tarver [mailto:ptar...@nortelnetworks.com]
Sent: Thursday, July 27, 2000 12:08 PM
To: emc-p...@majordomo.ieee.org
Subject: RE: Electrical safety of firearms



Other inherently unsafe products: 

three-ring binders (mechanical hazard) 
any pointed writing implement (mechanical hazard) 
plain old mechanical staplers (mechanical hazard) 
paperweights (mechanical hazard) 
pushpins (mechanical hazard) 
bath tubs and swimming pools (drowning hazard) 
in-sink garbage disposals (mechanical hazard) 
refrigerators and freezers (suffocation hazard) 


Some of which, UL will List. 

Regards, 

Peter L. Tarver 


-Original Message- 
From: Peter Merguerian 

Rich, 

I tried to List such a device with UL some time ago and they told me that 
they could not List because it is inherently unsafe! However, I succeeded 
in getting TUV GS for the system. 

Home safety

[Price, Ed]

Safety isn't exactly my specialty, but a question on Usenet got me to make a
list of all the items "built into" a home for safety purposes. I didn't
think there would be very many, but the list sure did grow! I thought you
might be interested.


Grounded electrical outlets
Ground fault circuit breakers
Thermocouple in gas water heater to sense pilot flame outage
Water heater over-temperature/pressure relief valve
Thermocouple in gas furnace to sense pilot flame outage
Flue gas sensor in gas furnace to verify positive stack ventilation
Screen atop fireplace chimney to contain sparks
Special roof stack feed-through thermal protectors for furnace, water heater
Fire resistant roof shingles
P traps in drain lines to lock out sewer gas
Water trap in toilet bowl to lock out sewer gas
Lightning arrestor in telephone demarc box
Lightning arrestor in cable TV line
Non-slip concrete surface treatments
Gas supply earthquake shut-off valve
Tempered glass or plastic bath doors
Over-temperature sensor in dishwasher
Over-temperature sensor in electric clothes dryer
Over-temperature cut-out in furnace / air conditioner / dishwasher / clothes
washer / dryer motors
Tip-over sensor in space heater
Off-balance sensor in clothes washer
Automatic external night lighting
Motion sensing night lighting
Smoke / heat / carbon monoxide detectors
Radon detectors
Automatic fire sprinklers
Entrance railings for stairways
Hand rails for internal stairways
Anti-slip tub and showers stall floors
Grip rails in bath areas
Intrusion detection and security systems
Main entrance security doors
Main entrance door security viewport
Trim strips to secure carpet edges


Regards,

Ed


:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-)
Ed  Price
ed.pr...@cubic.com
Electromagnetic Compatibility Lab
Cubic Defense Systems
San Diego, CA.  USA
858-505-2780 (Voice)
858-505-1583 (Fax)
Military & Avionics EMC Services Is Our Specialty
Shake-Bake-Shock - Metrology - Reliability Analysis
:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-)



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South Korean Spectrum Use

[Kevin Harris]

Hello Group,

Does anyone know of an online source of rules for South Korea spectrum
usage. Failing that where could I write to obtain a hard copy. Do you know
if they follow an other counties rules or are they unique to South Korea

Thanks


Best Regards,


Kevin Harris
Manager, Approval Services
Digital Security Controls
3301 Langstaff Road
Concord, Ontario
CANADA
L4K 4L2

Tel   +1 905 760 3000 Ext.  2378
Fax +1 905 760 3020 




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RE: Who mentioned FIREARMS!!!!!

[Price, Ed]

Phil:

The marketing guys would really love to see a requirement for a picture of a
bloody sliced finger on the ham can!

Ed


:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-)
Ed  Price
ed.pr...@cubic.com
Electromagnetic Compatibility Lab
Cubic Defense Systems
San Diego, CA.  USA
858-505-2780 (Voice)
858-505-1583 (Fax)
Military & Avionics EMC Services Is Our Specialty
Shake-Bake-Shock - Metrology - Reliability Analysis
:-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-)



> -Original Message-
> From: pgodf...@icomply.com [mailto:pgodf...@icomply.com]
> Sent: Friday, July 28, 2000 11:55 AM
> To: emc-p...@majordomo.ieee.org
> Subject: Who mentioned FIREARMS!
> 
> 
> 
> Ok guys, I have certainly enjoyed reading the responses to my 
> question 'so
> far'.
> 
> I must be honest and say that I was forewarned about 
> mentioning/using the
> word firearm (Scott, thanks - you know me. Learn the hard way).
> 
> I'd like to thank all those who have given this some thought 
> and perhaps
> took the conversation to new heights of inherent safety. Just 
> as an aside,
> or addition, I know there was some slight confusion regarding 
> exactly the
> nature of the beast in question and the intent. Just to 
> further clarify. The
> 'object' is in fact a rifle who's intended purpose being that 
> of any other
> mechanical monster - gaming, self protection etc etc. The 
> actual electronics
> is both in the safety latch on/off and also the firing mechanism. As
> suggested or guessed by one fellow member, it uses this to release the
> hammer thus avoiding jerking action and increasing accuracy.
> 
> Again thanks to all who put fingers to keyboard and just so 
> that I don't
> feel left out on this one. And being English (no offence intended -
> lighthearted view) I must tell you this,
> 
> those Corned Beef containers (made in Argentina hence  
> >:), you know,
> those with the funny key that opens it about 90% of the way 
> and then the
> last 10% takes off two of your fingers. Man they need to have 
> BIG bright
> warnings labels.
> 
> All the best
> 
> Phil Godfrey
> 
> Phillip Godfrey - Manager, Product Safety
> KTL Dallas, Inc.
> 802, N.Kealy,
> Lewisville,
> Texas 75057-3136
> 
> Tel : (972) 436-9600
> Fax: (972) 436-2667
> http://www.ktl.com/
> 
> email : pgodf...@icomply.com
> 

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