[RFI] Trying to locate the Part 15 compliance note...

Thu Mar 14 12:06:06 EDT 2019

Go to (3) in the following URL:

https://f2labs.com/technotes/2018/01/23/fcc-new-labeling-and-manual-requirements/

Don't know if this will help, but it is a brand new requirement.

Dave - WØLEV

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On Thu, Mar 14, 2019 at 3:30 PM Dave Cole (NK7Z) <dave at nk7z.net> wrote:

> Hi Ed,
>
> Many thanks to the ARRL for the assistance in this!  Also, thanks for
> the link, and thanks to the ARRL for archiving that book as well!!
>
> I am aware that pert 15 applies to equipment transmitting RFI, what I am
> looking for the statement to the effect that a device must accept
> interference from all licensed transmitters, which I think used to be on
> the Part 15 statements.
>
> I was hoping that the stove, having a computer in it, might have that
> sort of label on it, containing the statement covering acceptance of RF
> interference.
>
> Is there any sort of statement by the FCC anywhere that indicates a
> device must accept all interference from licensed transmitters, that
> might be applicable to kitchen utilities?  That would end my issues
> instantly.
>
> In looking at the handout linked in your email, adding a low pass filter
> to the stove might prove difficult, unless we consider ferrite material
> a low pass filter. :)
>
> Did you get the model number I sent of the stove?  Also please note the
> complainant stated that GE has an RFI kit for the 110V volt version of
> the stove, but not the 220V version of this device...
>
> Again, many thanks to you and the ARRL for the assistance here Ed.  This
> will help in getting prepared for the meeting with the vendor, and the
> owners of the stove.
>
> Having the vendor state that a close by ham may be causing the problem
> has biased the owners completely, so education is in order, but that is
> difficult in this sort of situation.
>
> I have sent my KPA500 to Elecraft to get a compliance check in
> preparation for a meeting with the vendor, and the owners of the
> affected stove.
>
> I am considering asking the vendor to pay for this once the amp is
> proven good...  But that will happen after the RFI issue is solved.
>
> 73s and thanks,
> Dave (NK7Z)
> https://www.nk7z.net
> ARRL Technical Specialist
> ARRL Volunteer Examiner
> ARRL OOC for Oregon
>
> On 3/13/19 1:21 PM, Hare, Ed  W1RFI wrote:
> > Those regulations all apply to emissions from the device. In the US,
> with very few exceptions, there are no FCC rules regarding immunity.
> >
> > This now-out-of-print-but-wisely-archived FCC document may help:
> >
> > http://www.arrl.org/fcc-info-1
> >
> > See the CIB Interference Handbook and look for the statement about
> non-radio devices improperly functioning as radio receivers.
> >
> > Ed, W1RFI
> >
> >
> >
> > -----Original Message-----
> > From: RFI <rfi-bounces at contesting.com> On Behalf Of David Eckhardt
> > Sent: Friday, February 22, 2019 2:41 PM
> > To: Dave Cole (NK7Z) <dave at nk7z.net>
> > Cc: Rfi List <rfi at contesting.com>
> > Subject: Re: [RFI] Trying to locate the Part 15 compliance note...
> >
> > There likely wo't be a statement.  Home appliances are specifically
> exempt from FCC rules of any kind.  15.103(d) will be difficult to force
> into this case where it arcs when an amateur transmits.
> >
> >
> > § 15.103 Exempted devices.
> >
> > The following devices are subject only to the general conditions of
> operation <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=ec0f841baebb6ddab3bb9ff7e69ad5e9&term_occur=1&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > in §§ 15.5 <https://www.law.cornell.edu/cfr/text/47/15.5> and 15.29 and
> are exempt from the specific technical standards and other requirements
> contained in this part. The operator of the exempted device shall be
> required to stop operating the device upon a finding by the Commission or
> its representative that the device is causing harmful interference <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=5d78fa6c752a5326f26a026c51cd5136&term_occur=2&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >.
> > Operation
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=ec0f841baebb6ddab3bb9ff7e69ad5e9&term_occur=2&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > shall not resume until the condition causing the harmful interference <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=5d78fa6c752a5326f26a026c51cd5136&term_occur=1&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > has been corrected. Although not mandatory, it is strongly recommended
> that the manufacturer of an exempted device endeavor to have the device
> meet the specific technical standards in this part.
> >
> > (a) A digital device
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=1&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > utilized exclusively in any transportation vehicle including motor
> vehicles and aircraft.
> >
> > (b) A digital device
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=2&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > used exclusively as an electronic control or power system utilized by a
> public utility or in an industrial plant. The term public utility includes
> equipment only to the extent that it is in a dedicated building or large
> room owned or leased by the utility and does not extend to equipment
> installed in a subscriber's facility.
> >
> > (c) A digital device
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=3&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > used exclusively as industrial, commercial, or medical test equipment <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=441f0834af528658594b49e1da1a6c03&term_occur=1&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >.
> >
> >
> > (d) A digital device
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=4&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > utilized exclusively in an appliance, e.g., microwave oven, dishwasher,
> clothes dryer, air conditioner (central or window), etc.
> >
> > (e) Specialized medical digital devices
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=5&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > (generally used at the direction of or under the supervision of a
> licensed health care practitioner) whether used in a patient's home or a
> health care facility. Non-specialized medical devices, i.e., devices
> marketed through retail channels for use by the general public, are not
> exempted. This exemption also does not apply to digital devices <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=6&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > used for record keeping or any purpose not directly connected with
> medical treatment.
> >
> > (f)Digital devices
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=7&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > that have a power consumption not exceeding 6 nW.
> >
> > (g) Joystick controllers or similar devices, such as a mouse, used with
> digital devices <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=8&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > but which contain only non-digital circuitry or a simple circuit to
> convert the signal to the format required (e.g., an integrated circuit for
> analog to digital conversion) are viewed as passive add-on devices, not
> themselves directly subject to the technical standards or the equipment
> authorization requirements.
> >
> > (h)Digital devices
> > <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=9&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > in which both the highest frequency generated and the highest frequency
> used are less than 1.705 MHz and which do not operate from the AC power
> lines or contain provisions for operation <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=ec0f841baebb6ddab3bb9ff7e69ad5e9&term_occur=3&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > while connected to the AC power lines. Digital devices <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=6babe455bce3a26aa2bfbfcfcd63b081&term_occur=10&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > that include, or make provision for the use of, battery eliminators, AC
> adaptors or battery chargers which permit operation <
> https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=ec0f841baebb6ddab3bb9ff7e69ad5e9&term_occur=4&term_src=Title:47:Chapter:I:Subchapter:A:Part:15:Subpart:B:15.103
> >
> > while charging or that connect to the AC power lines indirectly,
> obtaining their power through another device which is connected to the AC
> power lines, do not fall under this exemption.
> >
> > (i) Responsible parties should note that equipment containing more than
> one device is not exempt from the technical standards in this part unless
> all of the devices in the equipment meet the criteria for exemption. If
> only one of the included devices qualifies for exemption, the remainder of
> the equipment must comply with any applicable regulations. If a device
> performs more than one function and all of those functions do not meet the
> criteria for exemption, the device does not qualify for inclusion under the
> exemptions.
> >
> > On Fri, Feb 22, 2019 at 3:32 AM Dave Cole (NK7Z) <dave at nk7z.net> wrote:
> >
> >> Hi,
> >>
> >> I have an interesting RFI issue happening.  My neighbors oven is
> >> acting up when I transmit.  It looks like the oven is taking RF in via
> >> the power lines.  In our discussions, part 15 compliance came up.  I
> >> have offered to have an electrician install some ferrite material on
> >> the power lines, and pay for it, but they want to pursue with GE as
> >> they indicated they may get a replacement stove...  Anyway...
> >>
> >> I have the model number for the stove, it is a GE Signature Cafe model
> >> number C2S985SET9SS.
> >>
> >> After downloading the manual, the installation information, and the
> >> users guide, I can not locate a Part 15 compliance note anywhere...
> >> Can someone help my locate this?
> >>
> >> --
> >> 73s and thanks,
> >> Dave (NK7Z)
> >> https://www.nk7z.net
> >> Award Manager, 30MDG Grid Awards
> >> ARRL Technical Specialist
> >> ARRL Volunteer Examiner
> >> ARRL OOC for Oregon
> >> _______________________________________________
> >> RFI mailing list
> >> RFI at contesting.com
> >> http://lists.contesting.com/mailman/listinfo/rfi
> >>
> >
> >
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>

-- 

*Dave - WØLEV*
*Just Let Darwin Work*
*Just Think*

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