All Questions
5
questions
1
vote
1
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44
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EMC and Control Area Networks [closed]
With radiated EMI tests, do we need to take into account the communication cabling and its influence on EMI?
I can't seem to find one standard that describes how CAN busses should be configured in EMI ...
1
vote
1
answer
359
views
Where can I find information about "Enhanced Policies and Procedures Exam" for IPC?
I'm taking the CSE test for IPC-J-STD-001 and at chapter 7.Certification Exam Overview, I can see that there are 3 types of tests.
Policy and procedure test (10 questions)
Closed book test (25 ...
0
votes
1
answer
47
views
What is the relevancy between the actual full load current value (test result) and the supposedly corresponding values from industry standards?
I work on evaluating a motor problem. If I am given an actual current at 100% full load, how does an industry standard value become relevant?
I have an example to illustrate the point I am trying to ...
6
votes
3
answers
5k
views
How low an insulation resistance is too low for a residential electrical system?
I have had occasion recently to test the wiring of a residential building for damage from a lightning strike. I opened all the breakers, removed all the loads, opened the panel, and meggered each hot ...
3
votes
3
answers
939
views
What security risks does the Test Access Port (TAP) introduce?
Trying to get my head around the JTAG world I looked at how the Test Access Port (TAP) works and although I get why we need it, the diagram seemed to me (as a software developer) introducing some kind ...