All Questions
3 questions
1
vote
1
answer
212
views
When does an electrical product get an RU (Underwriters Laboratories) certified mark?
If you take an example of contactor, it can be used in residential, industrial, electric vehicle applications etc.
Let's say the contactor has passed the UL standards corresponding to the industrial ...
2
votes
1
answer
2k
views
Do we have equivalent standards for all UL standards under IEC?
As per the image, it looks like there will be an alternative standard in IEC with respect to every UL standard?
9
votes
1
answer
2k
views
What is the nature and history of UL capacitor recognition?
First, the background. I've been working on a grid-tied inverter design for some time now. General topology is:
We've just completed UL listing our product under 508c, and the process was quite ...
- 17.7k