Questions tagged [certification]

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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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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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Female symbol on PCB silkscreen?

You can see the symbol on the upper right hand side of the board, what appears to be a pictogram of a woman wearing a dress, similar to a bathroom sign (?) Wondering what this is.
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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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40 views

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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75 views

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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Does anyone know the UL standard related to resistors and isolation on AC mains?

I have a circuit that is attempting to measure AC line voltage 120-240V but I was told by the certification test lab that my voltage divider resistors would require an expensive 3 week soak test. The ...