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  1. lacajun

    EMI on source and sink sensors

    I learned decades ago to use TSP, with an overall shield, for analog and digital signals. Some industries don't do that, which is puzzling to me. They believe that voltage signals are immune to EMI. Pamela K. Quillin, P.E. Quillin Engineering, LLC NSPE-CO, Central Chapter Dinner program...
  2. lacajun

    Offered Opportunity to Open Engineering Firm - Want Feedback

    JD P.E., what I ran into is being an unknown in my area. If I had begun my business where I was a known quantity, I probably would have had an easier time. Selling can be hard and you need to know how to do it, without coming across like a used car salesman. I had a company purchasing gal...
  3. lacajun

    Becoming friends with clients, and mixing work/life?

    Most state statutes require PEs to associate with companies of good reputation. It seems prudent to do business with others that have high ethical standards, as well as moral standards. Eliminates lots of problems. My past employers frowned upon too much fraternization with sales people or...
  4. lacajun

    spoofing my VOIP number

    It seems they could track something to determine who is using a telephone number, as a front. Statistical analysis of something... Seems like some sort of trail would be left to find. This is really annoying for me. Most people are nice, when they leave messages. Some are not. One man...
  5. lacajun

    spoofing my VOIP number

    That's bold and stupid! The depravity of mankind knows no depth too deep to which it will sink. I believe 3DDave is correct and that Comcast doesn't care. They will not address the problem even though they have an abuse department. Allo is running fiber in my area. When they get done, I...
  6. lacajun

    spoofing my VOIP number

    No one has mentioned any messages left. I talked with a lady last night, who returned the call. She runs her own business and cannot let calls go unanswered. She didn't indicate a message was left. She called back because my number was on her caller ID. Seems like a terrible waste of time...
  7. lacajun

    spoofing my VOIP number

    3DDave, how can someone afford to pay for the traffic, when using my number and people call me back? Sorry for being dense. Pamela K. Quillin, P.E. Quillin Engineering, LLC NSPE-CO, Central Chapter Dinner program: http://nspe-co.org/events.php
  8. lacajun

    spoofing my VOIP number

    Is there a way to stop someone(s) from spoofing my telephone number? Xfinity said no. I'm wasting a lot of time because of this. People are calling me back and often leaving voicemails about receiving a call from me. My number and name come up on their caller ID. The FCC has a list of...
  9. lacajun

    Are analog computers about to make a comeback...

    I sure hope not. Pamela K. Quillin, P.E. Quillin Engineering, LLC NSPE-CO, Central Chapter Dinner program: http://nspe-co.org/events.php
  10. lacajun

    Curved Timber

    Wish they'd explain those genetic algorithms. Nice building. Pamela K. Quillin, P.E. Quillin Engineering, LLC NSPE-CO, Central Chapter Dinner program: http://nspe-co.org/events.php
  11. lacajun

    Foreign engineer (Mexico) that wants to get out of mfg. to apply for graduate school in the USA

    Two other resources I forgot to tell you to investigate are ABET and NCEES. If your undergrad school is ABET accredited, that may help entry into a US school. If it has an agreement or accord through NCEES, that may help, too. Those are predominantly for licensure efforts but it doesn't hurt...
  12. lacajun

    Foreign engineer (Mexico) that wants to get out of mfg. to apply for graduate school in the USA

    Hi Marcus, You will need a student visa so that's the first step. I got my MS in engineering from the University of Pittsburgh's main campus. It enabled me to do things for my employers that my BS would not. It was also a great experience and the only thing I regret is not getting my Ph.D...
  13. lacajun

    Considering Career Change to Medical Field

    My Lyme doctor left a good career, in her mid-40's, to go to naturopathic school. She left her engineering career mainly due to poor retirement vehicles at the time. She is smart and did well in her medical classes but the struggles presented were hard. Money was a big problem. There are...
  14. lacajun

    Article on AI implementation in work flows

    Not many years ago the local IEEE section had a presentation on AI. Per that person, we're still in the machine learning stage and will be for many years to come. With time, I think AI will encroach on engineering but it will still need oversight. Pamela K. Quillin, P.E. Quillin Engineering...
  15. lacajun

    Asked to stamp something I've never worked on or even know about

    psmpsm, I would strongly recommend you read the statutes of each state in which your designs will be built. You need to pay close attention to their definitions, requirements, etc. If you are not in responsible charge, you probably cannot be the engineer of record either, legally. It is...
  16. lacajun

    Asked to stamp something I've never worked on or even know about

    Thank you, SnTMan. Yup, still alive and kicking. Glad you are, too. So may are still here, which is good to see. Pamela K. Quillin, P.E. Quillin Engineering, LLC NSPE-CO, Central Chapter Dinner program: http://nspe-co.org/events.php
  17. lacajun

    Asked to stamp something I've never worked on or even know about

    And remember, your license is yours and yours alone. The state has given you that privilege because of what you accomplished by fulfilling their requirements. The state expects you to control your license per their laws. I use "the state" in a broader sense of government. In reading the...
  18. lacajun

    Asked to stamp something I've never worked on or even know about

    Read your state statutes including the penalties for not working within the law. Criminal and civil penalties are hefty in some states, as well they should be. Pamela K. Quillin, P.E. Quillin Engineering, LLC NSPE-CO, Central Chapter Dinner program: http://nspe-co.org/events.php
  19. lacajun

    NEC and utility meter

    Boulder County still uses the 2014 NEC. I don't see anything there that requires single service residential buildings to have a disconnect. I have reached out to the Boulder County inspectors. Hopefully they'll answer soon. If a disconnect is required, I would prefer to install a new main...
  20. lacajun

    NEC and utility meter

    I'm helping a friend upgrade his electrical service to install A/C over winter. He needs to replace the main breaker box, near the meter, with a 200 A service. The feeders from the transformer are adequate. The wire from the meter to the main breaker box needs to be replaced with larger wire...

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