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Recent content by CurtB

  1. CurtB

    BSEET I would like to earn BSEE

    Some companies do not promote the Technology degree as a "real" engineering degree. I know this since I have a Technology degree and in the past have been limited in career progress due to the degree. This was partially due to the program that I was in was not ABET accredited - a requirement for...
  2. CurtB

    CE and Warning Labels

    Question concerning warning labels and making a battery electric machine conform to the applicable EU machinery standard EN 292-2 and 98/37/EC. We are applying the following: ANNEX I of DIRECTIVE 98/37/EC In selecting the most appropriate methods, the manufacturer must apply the following...
  3. CurtB

    Battery Explosion

    How long have the batteries been doing this? What has started this issue? Also, are the batteries sized properly for the application and the charger? Good luck!
  4. CurtB

    Insulation Systems, and double insulation ...

    Below is some reference information that I had. Hope it helps. In any isolation scheme, there is a certain amount of insulation required to create the isolation barrier. IEC 1010 calls this basic insulation. If a breakdown in the insulation could cause dangerous current to flow through a human...
  5. CurtB

    IEEE requirements in China

    I would think that the codes are quite different since most everything else electrically is. I would suggest contacting UL. They have a counterpart in China that handles these types of questions. www.ul.com Good luck! Curt
  6. CurtB

    China CCC mark

    Have any manufacturers had the experience of sending a piece of electrical machinery to China and getting the CCC mark? Just curious if anyone has had the experience working with this marking system and how it is going so far since it is rather new.
  7. CurtB

    Diode supression of relay back emf

    Suppression is a must for automotive relays if you ask me. A diode is what I typically use across a relay. It is a possibility that over time, the diode will fail. In order to make it easy to replace I use a plug in type. They can be found at Digi-key.
  8. CurtB

    Another Tech File Question

    Buzzp, I assume that we are discussing the Machinery Directive 98/37/EC Some of your statements I partially agree with… // the manufacturers rep in the EU has to hold the technical file\ This is true. // I would not want to give this info to a distributor or sales rep in the EU\I agree also…...
  9. CurtB

    Electric diagram

    You can download or order Orcad FREE at http://www.cadencepcb.com/products/downloads/

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