Questions tagged [certification]

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What is the law regarding certification of paper electronics for EU and US

The question is explicitly aimed at paper electronics. No classic/typical PCB (fiber glass or typical material PCB's are made of) is attached to the paper. The circuit layout is directly printed/...
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1 answer
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Relation of adaptor supply with the EMC/EMI of the product

I was wondering regarding how the input of the adaptor affects the EMC/EMI of the Device. We are going to change the adaptor of our lab stirrer from Input : 230V,50Hz,0.6A & Output : 24V,1.5A to ...
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Certification Requirements going from 5v to 220v

We are considering developing a 220v/110v version of our electronic product that currently uses a 5v external power supply. Our 5v version has already been tested against the EU LVD but we are unsure ...
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1 answer
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Connecting class 2 power supplies in parallel

I am looking to connect multiple rails in parallel to increase current of a class 2 power supply (UL1310). Each rail would have its own OCP (12V 8A). The problem I am having is that when talking to ...
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1 answer
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Harmonized Standard for the safety of refrigerated lab device

I am wondering about the harmonized safety standard for the refrigerated lab devices. I have seen two standards EN 61010-2-011 & EN 378-1&2. But none of these standards are available in the ...
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About validity of EMC & Safety Test Reports without NABL & ILAC-MRA

Can anyone provide the info regarding that the EMC & Safety test reports without NABL & ILAC-MRA are valid or not? Is it mandatory to have both the marks for CE & UKCA self declaration?
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Regarding testing & compliance requirements of the products for UKCA declaration

I do have a doubt regarding compliance of the Product for the UKCA marking. If the product has been tested according to the EMC/EMI & Safety requirements for the EU declaration is it sufficient ...
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1 answer
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NIPDAU vs SN finishing and certification

I am about to certify my design for RF and BT and I already have the mass production component reels. However the certification will be done with a prototype using spot purchased components. For one ...
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1 answer
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Creating product to be sold to public using prebuilt modules

Is it ok for me to combine multiple prebuilt modules, put them into casing and sell them to public? such as (accelerometer) https://core-electronics.com.au/adxl335-triple-axis-accelerometer-gy-61.html ...
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Electronics and electrical projects certification [closed]

What certification is required to sell my engineering projects online in India? if I build my project as product to sell online what certification is required for this as well?
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Sufficient electric safety protection with MOVs?

I am developing a PCB that will carry 32 A currents. In order to protect the rest of the circuit and the 3 phase load I have added some protective measures to suppress transient voltages and short ...
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1 answer
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Obtaining EMC measurment equipment

I am an electronics engineering graduate who works on developing the electronics for an EV charger. We are now in the process of slowly getting ready to get the product certified, which includes EMC ...
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1 vote
1 answer
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Copper on AC traces

Just a simple question related to AC traces. I’m designing a PCB that needs to carry 32 A @ 220 V. I have designed a 15 mm trace (2 oz) that should guarantee a 13 degree temp increase at max power. I ...
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2 answers
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How do you pass Insulation Testing when your load is low impedance?

This is probably a silly question but I read that for class I equipment I need to perform insulation resistance tests and it must be under 1 megaohm. My understanding is that one of these tests ...
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3 votes
2 answers
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Household appliances commercial project EU certification

I got a job to do a household appliances with wireless remote control. I’m working as embedded developer in current company, but we haven't had to certificate our solutions and I'm looking for advice. ...
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3 answers
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UL cert question

We build large machinery which we require UL, CE and several other marks for shipping globally. Does using components that are not UL certified preclude us from getting these certs or do the ...
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1 answer
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Should I get CE mark on my Arduino project?

I just finished my big Arduino project after 2 years. I would like to start selling it, but I am not sure if I need CE certification or not. I used the below components: Arduino Nano-oled 0,96" ...
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2 votes
2 answers
99 views

Which products require EMC certificate?

What are the guidlines (or where can I find them) for which products require EMC testing certificate? I know that this determined per country, so for starters let's go with the US. My product contains ...
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1 answer
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ESD protection for power input with several fused branches

I'm designing an industrial board that will be powered with a +24V DC. On the PCB there are several fuses to protect each branch against over-current/short-circuit. Example: simulate this circuit &...
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Need help determining if a component is acceptable for use in a production design

For the sake of not going too broad, I am only referring to this single OLED LCD board component from Newegg being used directly within a prototype device that I have designed. My end goal is to take ...
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1 answer
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Need help understanding how motors, sensors and other components of a prototype design factor into certifications for industry sale [closed]

I have built a prototype and I now need to create a production prototype that I can use as my template for a small 10-15 product unit batch order. I am in the United States where I plan to market ...
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Does my Wireless Charging PCB need to have FCC, UL, CSA, certified marks?

I have a simple 5W output wireless charging device that uses a tx coil to transfer power to a phone, this is powered from a 1800mAh battery. Do I need any certifications for this?
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1 answer
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AC Wiring rules for switched mains output device

I am designing a mains powered device which has two general purpose mains output sockets, both switched by relays. I am trying to find out the wiring rules specifically for the US, but also for EU and ...
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1 answer
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If all parts in a product are FCC or CE certified then do i still need to apply for certification for the complete product?

I am building a CNC product and all the electronics parts we are using are either FCC or CE certified. Do I then have to obtain a separate certification for the product as a whole ? Also any idea what ...
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Bluetooth and Wifi Maximum Power limt

I saw below Bluetooth chip comparison of many module , most of all are having 8dbm max power , what I know FCC has 30dbm and CE has 20dbm Max power limit so why Bluetooth module are limited to only ...
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2 answers
309 views

Is there a downside of using PCB printed USB connector?

Typical USB Type A receptacle is as shown in this image from Molex 48037-1000, which can be mounted on PCB. I have seen some products with USB connectors printed directly on the PCB edge like this ...
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2 answers
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Which equipment is required to test the no radio device for compliance with electromagnetic compatibility (EMC)?

I am designing a device that has no intention to transmit or receive any radio waves but it has CPU, large PWM driven LED indicators so may be some higher frequencies inside. To make sure we pass the ...
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4 votes
1 answer
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Which standard must Li-ion battery fulfil for CE marking in late 2020, IEC 62133:2012 or IEC 62133-2:2017?

I am looking for a slim CE-certified rechargable battery to put in my product. All of the (very few) certified batteries that I have found are compliant with the IEC 62133:2012 (2nd edition). But that ...
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Homemade EVSE require UL/CSA/Other certification for insurance?

In general, would an insurance company require a homemade electric vehicle charger to be approved by some recognized agency such as CSA or UL? I am in Canada. I have designed and built a few electric ...
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1 vote
2 answers
121 views

Finding manufacturer of product based on certifications

I really do not know where to ask this question so I am starting here. If you believe there is a better place let me know and I will gladly move post. I bought an induction cooktop from amazon and ...
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1 vote
1 answer
55 views

Understanding cable standards for low voltage conductors in high voltage environments

I am currently getting some custom cables made and having a serious communication issue with several cable manufacturers. I want several low voltage (5V DC) insulated conductors in a jacket that can ...
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1 vote
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LiPo battery certification standards for EU and US

We are bringing a wearable product to the market that is powered by a 3.7V LiPo battery. The product will be sold initially only in the EU and US markets. We are currently in the process of performing ...
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1 answer
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CE/FCC/RoHS/etc certification for Intel NUC and other barebone MiniPCs?

Intel sell the Intel NUC without a hard drive or ram. They provide a list of compatible rams and drives. By sliding in the ram stick and drive, am I not invalidating all of the certificates on the ...
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1 vote
2 answers
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How to get CE markings for a PC I assembled from CE certified components?

If I purchase a kit from a website like overclockers.co.uk which includes a quality power supply, motherboard, CPU, etc. Everything is CE certified and all components are the highest grade. All I am ...
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1 answer
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Significance of V < 50V for US certification purposes

In the EU 2014/35/EU requires increased producer diligence and formalities when an electronic device used voltages greater the 50V ac either as input or as output. Can somebody explain to me whether ...
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1 vote
1 answer
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Modifying and recertifying equipment for Explosive Atmospheres IEC 60079

I'm wondering what is involved in modifying equipment that has been certified for use in explosive atmospheres, such as ATEX Zone 1 or 2. A couple of times recently at my work we have discussed ...
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1 answer
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Certifications required for a circuit board/ product

I am developing a product that uses a bluetooth module (rigardo bmd-350 based off of the nrf52832) has a daughter/breakout board for interfacing with eeprom chips, pumps powered by small dc motors, ...
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1 answer
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FCC / CE requirements for adapter pcb?

A product consisting (electronically) just of a PCB with a male USB-C one one side, 5mm of traces and a female USB-C on the other end. No other components at all. To be used as consumer device. How ...
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-2 votes
1 answer
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Developing a Medical Product Using AliExpress Modules

We are developing a medical product and we are using some modules that we got from AliExpress (www.aliexpress.com). They are really cheap and gave us the same results with the modules which we made ...
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1 vote
1 answer
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What 'rated voltage' means in VDE certificates?

In a VDE certificate for a component (plugin green terminal blocks), a column gives the "Rated voltage(s) / V" with a value of "400" without specification wether it's VAC or VDC. Does this mean that ...
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UL certification requirements

I'm designing a circuit board for a large industrial product which is intended to be UL certified, so the boss wants as many individual submodules to be UL certified as possible, including mine. The ...
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1 vote
1 answer
48 views

How do I determine battery manufacturers/companies whose batteries that have met UL 1642 certification?

How do I determine battery manufacturers/companies whose batteries that have met UL 1642 certification? I am asking because I want to determine other companies whose products have successfully ...
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2 answers
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IoT Certification Legality

I am developing an IoT product for a company. The product runs off of two alkaline batteries at a max of 3.2V. It is fully enclosed in a solid plastic case, with small panel openings for a switch and ...
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1 answer
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What's this regulatory symbol?

I am trying to identify this symbol as a part of personal research. I could not find any leads with Google Image search.
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2 votes
1 answer
764 views

Switzerland - IEC vs UL vs VDE vs CSA ratings [closed]

I'm currently looking for a new connector for a PCB embedded in a household device with ABS housing. The connectors are intended to have 3 phases, 1 neutral and 1 ground wired to it. On swiss ...
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2 votes
1 answer
2k views

CE mark on a PCB sold as a part of a kit or part of a project, necessary?

I've a prototype that I want to sell as a product. My prototype is made by an aluminium structure, a motor, a moving part (made by 3D printer) and an electronic circuit. The electronic circuit is ...
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7 votes
1 answer
6k views

Are USB protocol and connector free or are they patented?

For a hobbyist developing a device, certification is not pleasant. I am wondering if implementing USB in any way is patented or needs a certification? I am concerned about both protocol (USB-2,3) ...
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3 votes
1 answer
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Running or belt conveyor with electric motors and control panel need a kind of certification to be sold in US market?

We want to provide new machinery of a runner conveyor and a belt conveyor in the US market. The equipment consists of: the basic construction (metal parts, runners, drums, and belts), electric ...
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-1 votes
1 answer
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Do we need certifications for device designed for 240V

I have completed the design of a circuit board where the mains 240V can be connected with screw terminals. This is just a sub-assembly unit. This would normally be used in industrial environment. Are ...
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0 votes
1 answer
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Can we install product above FCC test power level declared in certification report

we have a product which has radio of 1W maximum output power , we have sent product for FCC through party lab, and they certified the product with 18 dbm only. So we get the certificate with only 18 ...
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