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Questions tagged [compliance]

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15 votes
8 answers
3k views

Is there a standard which requires a high voltage warning label on a PCB?

If part of your PCB carries high voltages at certain nodes, is there a standard that requires some sort of silkscreen label or sticker to warn technicians when installing/uninstalling boards into ...
BobaJFET's user avatar
  • 1,012
1 vote
0 answers
69 views

Medical device on patient's bed..Cannot earth the Chassis..How to provide ESD protection?

We are developing a medical device, which will sit on patient's bed. So, the medical device chassis can't be connected to earth. The powersupply of the device is isolated (2MOPP and 2 MOOP), medical ...
NICEGUY NICEGUY's user avatar
0 votes
0 answers
33 views

Parametric or Template test by Ethernet Compliance Test

I am trying to design this part of TC6 from Ethernet test fixture board. As I dont need rest part of the parts for my test. Can someone tell me what are the loads are? Here three different loads can ...
Alok's user avatar
  • 1
1 vote
1 answer
57 views

Y capacitor provisioning when the output is referenced to mains neutral?

I am designing a device that uses a "standard" board-mounted AC/DC switching supply module (on the order of 20-30W), along with a battery backup, to power itself and an attached device, both ...
ThreePhaseEel's user avatar
0 votes
0 answers
33 views

Industrial product IEC 61000-3-2 compliance

I have a question related to IEC 61000-3-2 standard for current harmonics limits. I am working on an industrial product rated for 500W that connects to the grid (220VAC). The standard states that ...
Ultra67's user avatar
  • 485
2 votes
1 answer
611 views

Impact on FCC certification due to replacement of GPS receiver module

Can anyone please guide on whether the replacement of GPS receiver with the same spec from the another brand for the cost reduction would impact the FCC approval received for the device or not? If yes ...
Harsh's user avatar
  • 103
0 votes
1 answer
122 views

Test lab noise floor variance and emission limits

I have recently taken part of noise floor measurements for emission tests from two separate EMC labs, both well known and international companies. The thing that shocked me is the dramatic difference ...
NoobPointerException's user avatar
9 votes
3 answers
758 views

Are rechargeable li-ion considered primary batteries if charging is not available on the device?

We are designing a one time use medical device which we would like to power using a li-ion pack that would be charged only once at the time of manufacture. For the purposes of compliance (IEC 60601) ...
Isabella Lindquist's user avatar
1 vote
2 answers
321 views

What does 2xMOPP really mean

I am a student and I am designing a medical device that has a type CF applied part. I know the specifications that the applied part must comply (4kV of insulation, 8mm of creepage, <10μA patient ...
fox_rafa's user avatar
1 vote
1 answer
232 views

CE Compliance: what is the limit of self-declaration for Industrial Control Panel?

We are a system integrator making custom electrical control cabinets. This is our first time on making panels for European customer, and of course they mandated the CE marking. The control panel they ...
Jacobson123's user avatar
0 votes
0 answers
63 views

Why are some devices labelled Class II instead of Class III despite using ELV?

For example, my table lamp has an IEC 61140 Class II marking despite it being externally supplied with 24V.
Jelle Westra's user avatar
0 votes
2 answers
173 views

How to investigate cause of EMC Pre-compliance failure?

I'm currently designing a new metal detector product and took it for pre-compliance as I've finished the hardware design and am currently finishing up on the software. I've never developed a product ...
ChrisD91's user avatar
  • 707
-1 votes
1 answer
114 views

Class III device [closed]

Does anyone know about a Class III device that is marked with the attached class III symbol? Thanks.
Harsh's user avatar
  • 103
4 votes
1 answer
215 views

Double insulation for battery operated device

I work for a lab device manufacturing firm. During the testing of our electronic pipette according to IEC 61010-1,the safety test lab asked why it did not have the symbol indicating double insulation. ...
Harsh's user avatar
  • 103
0 votes
4 answers
525 views

Does a system assembled from CE marked parts (consumer products) still require CE testing?

Let's say you run a company that designs and installs speaker systems for clients. You hear their requirements, look at their space, and then select the most appropriate consumer products for their ...
DaggerOfMesogrecia's user avatar

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