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Stephen Collings's user avatar
Stephen Collings's user avatar
Stephen Collings's user avatar
Stephen Collings
  • Member for 9 years, 11 months
  • Last seen more than 1 year ago
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About

I used to spec and design power stages, PCBs, and embedded microprocessor controls for 5kW-1000kW power converters. Now I'm a forensic engineer, focusing on damage to electrical items (overvoltage, water, lightning, contamination), or damage caused by electrical items (fire, injury).

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Top posts
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question
47
My customer wants to use my products to do something unsafe. What is my ethical obligation?
Apr 18, 2015
question
13
I have inherited a product with inconsistent designs sharing the same part number. What do I do?
Feb 27, 2015
question
13
What are the disadvantages of concentrated solar thermal power?
Nov 16, 2015
question
12
What is the process of transferring an engineering license from the United States to Germany?
Jan 20, 2015
question
8
How do I properly compute mean time to failure?
Aug 25, 2015
question
7
Under what circumstances would one need or not need an electronic brake for a permanent magnet motor?
Mar 11, 2016
question
7
Are there standard vibration and shock specs for shipment of a product?
Mar 13, 2015
question
7
How can I calculate the temperature rise of a circuit board for a given power dissipation and area?
Mar 25, 2015
question
6
If my electronics are outdoors in a ventillated NEMA 4 enclosure, should I conformal coat my circuit boards?
Oct 8, 2015
question
5
What is the difference between being UL recognized and being UL listed?
Oct 9, 2015
Top network posts
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72
Why does Israel build settlements in Palestine?
65
Why are there only four passive elements?
62
I emailed my customer asking multiple questions. Their reply addressed only one. What is the polite way to point this out?
53
What could cause a microcontroller to unexpectedly reset?
39
What does "no clean" solder actually mean?