Greetings, experts.
With the RoHS Directive kicking in at different times for different Categories
of products, I'm starting to see the RoHS Directive listed on Declaration of
Conformities. However, I have also noticed many companies generating two
different DoCs; one for Safety and EMC and th
Amund,
I think the price you listed for Norway is about average.
We are not a commercial EMC lab but a corporate lab who on occasion does
outside work for companies in our area. An advantage we have is since we always
have internal work to do we can charge our outside work by the hour. So if on
r day
including EMC engineer.
In the UK, I believe £1000 per day + test technician would be a reasonable
charge.
Ian McBurney
Design & Compliance Engineer.
Allen & Heath Ltd.
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: 12 November 2015 13:56
To: EMC-PSTC@LISTSERV.IEEE.ORG<
Scott,
The New LVD as with the latest Machinery Directive requires a Risk Assessment
of the Essential Health and Safety Requirements called out in the Directive.
Most likely the new ISO EN 12100 Risk Assessment standard will be harmonized to
the LVD and you can use this on your DoCs to show com
Eugene,
The EMC Directive requires the manufacturer performs a “Conformity Assessment”,
sometimes referred to as an “EMC Compatibility Assessment”. Within this
assessment, the manufacturer can explain the reasons for and against which EMC
tests and test levels they tested their products to to
As we all know, compliance to emissions and immunity standards do not guarantee
electrical equipment won't interfere will each other. But you have to draw the
line somewhere, and the experts to-be has done so with the goal of trying to
minimize interference without over burdening the industry.
We have an application where during normal operation the user has access to a
30 amp heating element driven by AC mains. We will interlock a door which will
drive a relay or contactor which will open both sides of the AC mains going to
the heating element to make it safe.
I assume the relay wou
PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: Relays and Contactors
Are you trying to protect against shock hazard or burn hazard or both? Can you
eliminate the shock hazard with additional insulation or localized guarding?
If the user potentially has direct access to hazardous vol
-
From: Scott [mailto:sbarro...@yahoo.com]
Sent: Tuesday, December 22, 2015 1:25 PM
To: Kunde, Brian
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Relays and Contactors
This issue is half insulation/ accessibilty and reliability. Since you are
going to use the relay in a safety interlock
I'm looking for suggestions on the best antenna to use for Radiated Immunity
test according to IEC 61000-4-3 between 80Mhz and 1Ghz. (we use a dual ridge
horn above 1Ghz).
Our goal is to find an antenna which is not too large, yet, will give us good
gain at the low end so we can generate 18-20V
:34 PM, Gray, David
mailto:dg...@tuvam.com>> wrote:
Hi, has anyone tried the Schwarzbeck model STLP 9129?
Thanks
David
-Original Message-
From: Kunde, Brian
[mailto:brian_ku...@lecotc.com<mailto:brian_ku...@lecotc.com>]
Sent: Friday, January 08, 2016 12:33 PM
Not to pile on but our EMC lab has performed testing on a lot of equipment used
in an Ambulance and it is always Class B. The reason I was told was because
ambulances can go into Residential Areas.
We have also tested DC Outboard Trolling Motors for boats which are also class
B because resident
Or maybe they meant "2kV Line + Line". This is usually a common mode test.
The Other Brian
From: Amund Westin [mailto:am...@westin-emission.no]
Sent: Friday, February 12, 2016 9:33 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Burst testing - Line-to-Line??
IEC60092-504 < Electrical install
I don’t think the answer can be found chapter and verse from some standard, but
look at the historical evidence. Any electrical equipment, no matter what it
is or what it does, what it is initially used for or how it is marketed, if it
is likely to end up in homes or used in residential areas t
Scott,
Year ago we used Tac Pac with a spray accelerator. Just place a dab of glue
where you want it, insert the thermocouple, then spray it with the accelerator
and it would instantly harden. To remove, we used some kind of solvent
(acetone?). Just a drop would start to soften the glue and w
Brian brings up a good point. Where is the best place to put the thermocouple.
If the location is critical, we use two methods; one is a touchless
thermometer. These are cheap. Less than $25 at most places like Harbor Freight.
You are only looking for the hot spots. Method #2 is we go borrow the
How windy is it inside your chamber? Ours has large fans to circulate the air.
Air moving across the surface of your EUT will pull the heat out lowing the
external measurements. I really don't know how to get around this other than to
turn off the fans to let the air go stagnant around the EUT.
We are in need of a reasonably priced source for quality and reliable video
cables; specifically a Single Link DVI Male to Male in a variety of lengths. In
one application we would prefer one end of the cable to be a right angle.
We have received and tested numerous over the counter DVI cables;
...@gmail.com]
Sent: Wednesday, March 02, 2016 11:55 AM
To: Kunde, Brian
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Source for Quality Video Cables
Hi Brian; Maybe this is a dumb idea, but perhaps you could enclose the whole
cable in a tubular copper braid (or mylar-foil tape) and try to
A quick trip in the "Way Back" machine brings me back to the early PC days. To
get parallel printers to pass the FCC class B requirements we had to use a very
expensive cable purchased directly from IBM which had double shielded cable and
heavy metal back shells. The cost was something like $50
Keep this in mind. The US NEC allows power cords to be made from 18AWG wire
even though they can be plugged into a 20 amp circuit.
Protective bonding Test at 40 amps for 4 minutes will melt the insulation of
18AWG wire.
Even internal 18AWG hookup wire used as the Protective bonding conductor
(
Greetings.
I'm looking for a low noise Pre-Amp for Radiated Emissions 30Mhz to 1Ghz (or
higher) with a gain of 20-30dB; but here's the catch. I want it to mount
directly to the "N" connector on my BiLog Antenna and be powered by a
downstream Power Supply box that sends DC down the coax. Just li
[mailto:charles.gra...@echostar.com]
Sent: Wednesday, March 16, 2016 12:47 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: Pre-Amp mounted to antenna
What antenna are you using? The gain you are seeking seems a little low..
Best Regards
Charles Grasso
Compliance Engineer
Echostar Communications
(w
ssage-
From: Cortland Richmond [mailto:k...@earthlink.net]
Sent: Wednesday, March 16, 2016 3:24 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pre-Amp mounted to antenna
On 3/16/2016 1:16 PM, Kunde, Brian wrote:
> We currently have a 22dB pre-amp which is fine for class A levels but
> a clo
What can you tell a newb like me about NFC? It operates in the ISM frequency
of 13.56Mhz. If we incorporate it into a product, does it require testing by a
certified or accredited lab? It is globally accepted without licenses and
certifications?
Thanks,
The Other Brian
___
Thanks to everyone who replied.
The Other Brian
From: Michael Derby [mailto:micha...@acbcert.com]
Sent: Thursday, May 05, 2016 10:06 AM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] NFC Near Field Communication Devices
Hi Brian,
Which geographical region are you interested in
I have a EU RoHS compliant product but it contains a component that is RoHS
Compliant under one of the Exemptions found in Annex III of 2011/65/EU. Am I
required to Declare this Exemption somehow to the public, on the DoC, in our
Manual, or only document this information in our Technical File?
Back in my computer days, IEC 950 clause 1.2.8.7 defined a "Hazardous Energy
Level" as "A stored energy level of 20 J or more, or an available continuous
power level of 240 VA or more, at a potential of 2 V or more."
Ever since, we refer to 240VA or more as an "Energy Hazard" and take that into
Ralph,
This might be true but that is not how we saw it way back when. The 240VA
"Energy Hazard" was not a consideration for the protection against Fire but a
limit value for accessible parts by the User. We still today consider
accessible circuits, regardless of the voltage, to be "Hazardous L
Can anyone give me a label source in North America for the ACMA Regulatory
Compliance Mark "RCM" label? I assumed by now the new symbol/label would be a
common thing and I could buy it over the counter. Our normal sources for such
labels want to do it as a custom label at 10 times the cost.
You
Try the US National Electric Code table 310-17 for single conductor insulated
wire in free air at 30ºC ambient (hook up wire). Keep in mind that you have to
de-rate the values in this chart for bundling (NEC table 310-15-(b)(2)(a)) and
temperatures (NEC table 690-31(c))above 30ºC.
The Other Bri
Rich,
Can you test to determine the rating of a conductor, connector, contact, etc.
within our application?
I once had a connector we wanted to use in a fairly high current application.
The connector manufacture didn't specify a total current rating on the
connector but a rating on a single co
This has always confused me. My company makes Laboratory Equipment (Analytical
Test Equipment) which we have always categorized as ISM Equipment (Industrial,
Scientific, Medical). But both FCC Part 15 and 18 references ISM equipment.
By nature of what our products are or the category of product
-Original Message-
From: John Woodgate [mailto:jmw1...@btinternet.com]
Sent: Friday, June 24, 2016 5:39 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] FCC Part 15 vs 18
How different are the requirements? Can you economically comply with both, so
you can stop worrying
When I was in High School Shop Class, there were electrical boxes hanging from
cords down from the ceiling all around the room with large red buttons.
Pressing any of these buttons would turn power off to every piece of machinery
and to all work benches in the room (lights would stay on). That
This subject is very interesting to me. If I wanted to know more, is getting a
copy of 62368-1 worth reading or will I have to wait for the proposed changes
to 60950-1 to come out, or what do you recommend? Are the proposed changes
quite large or can they be summarized? What are the weak areas
Ken [mailto:ibm...@gmail.com]
Sent: Wednesday, June 29, 2016 11:32 AM
To: Kunde, Brian
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [BULK] Re: [PSES] Fire requirements in standards
Importance: Low
Hi Brian; Do you mean specifically the changes to the fire enclosure
requirements or the overall
I assumed it had something to do with the old Wall Warts that was basically a
transformer. In an overload condition, these transformers can reach
temperatures exceeding 100ºC. You don’t want the plastic case to soften, warp,
or open up and expose hazardous voltages, or worst.
The Other Brian
Fr
I believe it is Boric acid you want; not Borax, which is a salt of Boric Acid.
I learned years ago that there are two types of ants; some like sweet, some
like fat. So I made two different mixtures. One with boric acid and powdered
sugar and the other with boric acid and bacon grease. I put the
Boric Acid is also very deadly to bees. In fact, bees can take the powder back
to the hive in which it can kill off in just a few days. Most anything that is
going to kill an ant is also going to kill bees and other insects. That’s why
they prefer you use ant bait in little cans with holes in th
I seek advice and opinions from fellow safety minded people.
Our typical product has a metal chassis which is constructed as a Fire
Enclosure (laboratory equipment 61010-1). On the back is a cutout for a cooling
fan/blower mounted in the cutout. The fan is 24Vdc, certified by several safety
age
This is a question that goes back to the beginning of time; or at least the 35
years I’ve been on the job. And I’ve never heard a good reason for either side
of the argument. You don’t want unqualified people trying to wire a Plug onto a
power cord and you don’t want to ship a plug that will mos
Dear experts,
Can AC brushless motors (in this case 230V~ 3-phase 3hp motors) that are rated
"60HZ" be used in products going to countries that have 50HZ power? I believe
the motors will run a little slower which will not affect the function of the
product, but is there a safety issue with thi
al Message-
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: Monday, September 26, 2016 7:39 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Using 60hz motors in 50hz countries
Dear experts,
Can AC brushless motors (in this case 230V~ 3-phase 3hp motors) that are rated
"60HZ"
Greeting Experts.
I often run into issues with safety inspectors during Field Evaluations
regarding overcurrent protection of small transformers that are not thermally
protected.
These small transformers can draw such small amounts of current on both the
primary and secondary, that finding a f
nice if the manufacturer would provide information on how to
properly protect this device. Any suggestions?
Thanks,
Brian
From: John Woodgate [mailto:jmw1...@btinternet.com]
Sent: Monday, October 31, 2016 12:54 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] Low current
John,
In reference to what? The name and address displayed on the EE?, the
responsible party within the EU?, information appearing on the DoC?
I've always understood that an Authorized Representative within the EU was
required for manufacturers outside the EU; and I thought this was a
require
Greetings Experts.
If we send 230Vrms out of a product to power an external device through an IEC
Outlet connector and we need to provide Overcurrent Protection for this port
internal to our device, can I use two fuses or do I have to use a double pole
circuit breaker?
Since our product can be
I know what you mean. In those aluminum case flashlights (Maglite type) when
the batteries go bad not only do they leak but Puff Up (enlarge in size). Then
it becomes nearly impossible to remove the batteries without destroying the
entire flashlight. The flashlights with the AA size batteries we
. This has been our
company's practice for over 20 years but I wasn't sure where the concern came
from. Now I have a better understanding.
Thanks again.
The Other Brian
From: Richard Nute [mailto:ri...@ieee.org]
Sent: Friday, November 04, 2016 2:59 PM
To: Kunde, Brian
Three things to keep in mind with the 61000-4-6 Conducted Immunity test when
using clamps;
1. There two types of clamps; The Current Clamp which must be grounded
via the BNC connector and a short strap to the Reference Ground Plane, and The
EM clamp which most commercially available mode
This thread has tickled my interest. I have never heard of the term IPC used in
this way nor do I understand the definition. Can someone provide context and
give an example of how it would be used? When the definition refers to
"network", is this the AC Mains network? And why is the Point of Co
in Europe
than North America; but I may be wrong.
Thanks again for the ed-u-ma-cation.
The Other Brian
-Original Message-
From: John Woodgate [mailto:jmw1...@btinternet.com]
Sent: Friday, November 18, 2016 9:49 AM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] Internal poi
Greetings Experts.
I'm really really really sorry to ask this question, but I must know without a
doubt of how the EU law interprets "Placing on the Market". Yes, I have read
many documents, websites, and guides. I thought I had a good understanding of
this but I am not confident to the point
Experts,
I have seen Interlock circuits using "interlock switches" (as specified by
their manufacture), on doors, panels, and guards with hazards behind them that
were NOT "Positive Mechanical Action" (PMA) switches. (Also known as Direct
Contact, Forced Break, Direct opening action, Positive o
Why Re-invent the wheel? Why not just buy an ESD Gun/Generator and be done
with it?
The Other Brian
From: Li Di [mailto:li...@conorthtech.com]
Sent: Tuesday, December 20, 2016 9:33 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Questions on ESD testing for ECSS-E-ST-20-07C-Rev17
Hi Dear. All
Doug,
Sounds like there is a piece of the puzzle missing.
For instance, the EN 61326-1 calls out Surge Immunity according to IEC61000-4-5
Level 3. The IEC 61000-4-5 calls out Level 3 to be 2KV. So unless your first
standard calls out the Basic standard then you would not know what “Level 3 “
Amund,
I don't think you can apply Exemptions to the RoHS directive across the
definition of "Safety Critical Products" unless your product clearly falls
within the exempt equipment called out in Article 2 paragraph 4. Parts of your
product or components can fall under numerous exemptions defin
Antenna Masts, RF Tables, and many other such products used for EMC Testing is
commonly made from that Green Structural Fiberglass Square Tubing. I can find
sources to buy the tubing itself (I'm using the 2 inch OD material with 1/4
inch thick walls) but I cannot find any company that makes Fit
A quick question.
A manufacturer established outside the EU placing product on the market in the
EU can but does not have to have an authorized representative within the EU.?
Is this a correct statement?
AND;
The Machinery Directive requires the name and address of the person authorized
to co
Greetings experts.
This question applies to both North America rules (NEC) keeping in mind the
rest of the world including Europe BUT my example will be for a 115Vac 60hz
device.
My example product is used in the Workplace but not typically in an industrial
environment (if that matters). It's
Sorry to say, this issue has once again reared its ugly head. I appreciate any
and all input.
History: For many many years, laboratory equipment fell under the Low Voltage
Directive (LVD), even products with moving parts. It was specifically excluded
from the Machinery Directive (MD). The Safet
...@globalnorm.de [mailto:loerzer_mob...@globalnorm.de]
Sent: Thursday, March 30, 2017 4:23 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: AW: [PSES] MD vs LVD for Laboratory Equipment
Second comment: on 8th of May, 2017 I have a meeting with the responsible
market surveillance authority in
I’ve said this before, but laboratory equipment is the Redheaded Stepchild of
Regulatory Compliance. It’s like the powers-to-be didn’t know what to do with
us so the latest move was to toss us in the mix with Industrial Machinery. But
the MD is not a good marriage. Our users are not the same. Th
I notice that most industrial factory machinery is designed with a large metal
electronic box with a hinged door and some kind of keyed lock. Inside the
components are DIN mounted and the wiring is all dressed very neatly in these
gray plastic cable runs with snap-on lids. Every wire is labeled
are any criteria which require
that type of construction (aside from tradition). It's like asking why every
facilities engineer has a large keyring, a pocket protector containing no less
than three writing instruments, and a AA mini Maglite on their belt.
On Tue, Apr 4, 2017 at 8:54 AM, Kunde
]
Sent: Tuesday, April 04, 2017 3:09 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] E-Box Layout on Factory Machines
The preceding may not have completely addressed the question. You are probably
looking to identify what standards to apply while designing the product before
Is something like this allowed?
100-115-120/208-220-230-240
Will a ±10% tolerance always be assumed? If your tolerance was something
different, such as -15%/+10%, does this information have to be on the device or
is the manual good enough?
The Other Brian
-Original Message-
From: John
first minute of operation. Crazy man.
Thanks for all the good information. Most helpful and informative discussion.
The Other Brian
From: Doug Powell [mailto:doug...@gmail.com]
Sent: Tuesday, April 11, 2017 2:10 PM
To: Kunde, Brian
Cc: EMC-PSTC
Subject: Re: [PSES] Voltage Rating vs Voltage
Because terminology gets tossed around by different organizations, standards,
directives, etc., without clear definition, let me see if I understand this
correctly.
First of all, the FCC statement identifies a type of product; in this case
"Test Equipment". This can be anything that tests or m
" it shall contain the exact internet address where the full text of the EU
declaration of conformity can be obtained"
Can I interpret the above to mean that the website only has to include
instructions on how to obtain the full DcC and not necessarily a direct link to
the electronic copy of th
Charlie Blackham [mailto:char...@sulisconsultants.com]
Sent: Tuesday, June 20, 2017 3:29 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] CE Compliance [General Use]
Brian
Quoting from the RED
Guide<http://ec.europa.eu/docsroom/documents/23321/attachments/1/translations/en/r
[mailto:char...@sulisconsultants.com]
Sent: Tuesday, June 20, 2017 4:47 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] CE Compliance [General Use]
>“but can lead to”, means it does not have to lead to, otherwise it would say,
>“but must lead to”.
I think it would say “Shall l
I have a Classic 1948 John Deere "M" tractor. I cannot measure the battery
voltage (to see if the generator is charging the battery) while the engine is
running because the emissions from the ignition is so bad it causes by DMM to
malfunction.
The Other Brian
From: Nyffenegger, Dave [mailto:da
Greetings.
Sorry if this is a stupid question (I’ve asked more than I’m allowed, I’m
sure), but in Europe, is there 230 volt 3-phase (230 volt line to line)? I
thought 230 volt single phase was derived from 380V 3-phase (230V from Line to
Neutral).
I see a 230V 3-phase saw with a CE marking a
Have you ever priced out one of these? Ouch!!
The Other Brian
From: Rob Oglesbee [mailto:rogles...@radianresearch.com]
Sent: Monday, August 14, 2017 12:25 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Another benefit of Time Domain EMI receivers
I've had experience with them at a privat
This is slightly off topic but you might find this interesting. People are too
smart for their own good.
When Yanks travel to Europe, they bring along their phone chargers, computer
chargers, notepad chargers, razer chargers, etc., all of which will operate at
either 115Vac or 230Vac these day
better than nothing.
The built in surge suppression in your $3000 computer will easily protect your
$5 power strip. But your computer may not survive more than one hit.
The Other Brian
From: John Woodgate [mailto:jmw1...@btinternet.com]
Sent: Friday, September 15, 2017 9:10 AM
To: Kunde, Brian
We address this possible issue in two ways.
1. We list the certification markings that are on Safety Critical
Components on our purchase print as “incoming inspection requirements”. When
parts are received, our IQA department visually verifies that the certification
markings on the parts
The Other Brian
From: Regan Arndt [mailto:reganar...@gmail.com]
Sent: Friday, September 22, 2017 9:48 AM
To: Kunde, Brian
Cc: EMC-PSTC@listserv.ieee.org
Subject: [BULK] Re: [PSES] Safety critical component part #'s and Agency
approvals
Importance: Low
Thanks Brian. That's great you do this.
Our company makes an instrument that has uses an RF Isolator Power Amp and
induction coil to heat up a small metal sample for analysis purposes (Lab
Equipment).
By definition within the IEC/EN 55011 standard, this equipment would be
classified as Class A Group 2. (hang in there; it’ll get more
It is my understanding that according to the US National Electric Code, 15 amp
receptacle are derated to 12 amps max., and 20 amp receptacles are derated to
16 amps.
IEC 60320 C13 connectors are rated 15 amps in North America. Do I derate them
as well or can I draw 15 amps continuous from the C
dustries, you can find some strange
combinations of plugs and receptacles.
http://www.marinco.com/en/s15-504
Ted Eckert
Microsoft Corporation
The opinions expressed are my own and do not necessarily reflect those of my
employer.
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: Monday, Oc
adian Electric Code (CSA part I) has same
requirement. The IEC seems to have avoided it.
Ralph McDiarmid
Product Compliance
Engineering
Solar Business
Schneider Electric
D 604-422-2622
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: Monday, October 09, 2017 8:31 AM
To: mailto:EMC-PS
id
Product Compliance
Engineering
Solar Business
Schneider Electric
D 604-422-2622
From: Kunde, Brian [mailto:brian_ku...@lecotc.com]
Sent: Monday, October 09, 2017 8:31 AM
To: mailto:EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] NEMA 5-20P with IEC 60320 C13
It is my understanding that according to the
dedicated circuits, but that is how the rules read in the NEC 210.23(C). Unless
I’m missing something.
Thanks bunches.
The Other Brian
From: John Woodgate [mailto:j...@woodjohn.uk]
Sent: Wednesday, October 11, 2017 2:57 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] NEMA 5-20P with
We just had our metal halide light fixtures replaced with LED fixtures in our
large 10 meter Semi Anechoic Chamber and they are GREAT!!! I have requested
the Make and Model Number information from our Maintenance Department which
I'll pass on when I get it. This is a holiday weekend for us so m
Greetings.
I would love to hear your story about dealing with the EAC mark and shipping
products to Russia. Though most all countries have laws, acts, or directives on
the books, most are not enforced across the board, yet focuses primarily on
mass produced consumer electronics, computers, etc.
reements. But I had to
obtain a 2nd EAC cert from a Russian lab so that this company could resume
their exports to Russia. The big-name labs with global market access groups
that I spoke with are aware of this. This was the status as of mid-summer.
Best regards,
Carl
On 11/29/2017 2:25 PM, Ku
UL does not have a sense of humor that we are aware of.
TOB
From: Jon Keeble [mailto:j...@wattwatchers.com.au]
Sent: Thursday, December 07, 2017 4:45 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Pilot rating
We are getting a somewhat innovative product through UL at the moment.
So there
It will be difficult for me to ask what I want without insulting California
Instruments (Emetek), so I apologize in advance if I fail. For those of you
who owns a CI CTS Series for doing Harmonic and Flicker emissions testing, you
can sympathize.
Our CTS system is currently running off of a Wi
I’ve recently come to understand that the 30mA Ground-Fault protectors, often
built into a circuit breaker, is intended to protect the Protective Earth
(Safety Ground) circuit in the case of a short circuit (opening the circuit
before the safety ground could be damaged. It this correct?
Here i
tes
https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.woodjohn.uk&data=02%7C01%7Cted.eckert%40microsoft.com%7C332841906ad44ef66eaa08d5683526de%7Cee3303d7fb734b0c8589bcd847f1c277%7C1%7C0%7C636529499853637893&sdata=hM9ZJbor9gxzRIIwUYV0KkogbsHqlWIDv%2BCi2VRAr5I%3D&reserved=0
Rayleigh, Essex U
.
Thanks,
Brian
From: John Woodgate [mailto:j...@woodjohn.uk]
Sent: Wednesday, January 31, 2018 11:13 AM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] GFCI vs GFPE
You can rely on the recent post in this thread by Pete Perkins.
John Woodgate OOO-Own Opinions Only
J M
probably not considered portable (depending on your
definition).
Do you know if there are similar requirements for non-hand-held electric
saws/tools?
Thanks,
The Other Brian
From: msherma...@comcast.net [mailto:msherma...@comcast.net]
Sent: Wednesday, January 31, 2018 12:29 PM
To: Kunde, Brian
Cc
Most interesting. Thanks.
From: msherma...@comcast.net [mailto:msherma...@comcast.net]
Sent: Wednesday, January 31, 2018 1:27 PM
To: Kunde, Brian
Cc: EMC-PSTC
Subject: [BULK] Re: [PSES] GFCI vs GFPE
Importance: Low
IEC TC 116 in in the process of folding the 60745-1 (hand held motor operated
M Woodgate and Associates www.woodjohn.uk<http://www.woodjohn.uk>
Rayleigh, Essex UK
On 2018-01-31 18:38, Kunde, Brian wrote:
Most interesting. Thanks.
From: msherma...@comcast.net<mailto:msherma...@comcast.net>
[mailto:msherma...@comcast.net]
Sent: Wednesday, January 31, 2018 1:27 PM
To: Kunde,
annot image using a table saw while it
is moving.
Thanks,
The Other Brian
From: John Woodgate [mailto:j...@woodjohn.uk]
Sent: Wednesday, January 31, 2018 2:37 PM
To: Kunde, Brian; EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: Re: [PSES] GFCI vs GFPE
No, It isn&#x
ndards.
In Europe, a cut-off saw is a 'machine', so the Machinery Directive applies.
This influences which safety standard is permitted to be applied to the product.
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk<http://www.woodjohn.uk>
Rayleigh,
I'm picturing a huge knife switch from a Frankenstein movie I saw as a kid.
The Other Brian
From: Richard Nute [mailto:ri...@ieee.org]
Sent: Tuesday, April 03, 2018 11:01 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [BULK] Re: [PSES] Need a switch
Importance: Low
Hi Ken:
I interpret your require
1 - 100 of 428 matches
Mail list logo
