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Recent content by LynnB

  1. LynnB

    UL1604 Turn-Around Time

    Thanks, Noway2. My limited experience shows the same. For UL60950 we are going with a CB lab, getting the IEC60950, then submitting it to UL for rubberstamping. This process is a little more expensive than going straight to UL, but should be faster, and has the added advantage that we can use a...
  2. LynnB

    First time buyer(for lack of a better wording)

    Reviving a semi-old thread, and based on limited experience, but thought others might find this correction useful: In the OPs list, item #3: 3. After receiving a quote and starting the process, talk with one of their engineers about the project. needs a correction. You cannot get past...
  3. LynnB

    UL1604 Turn-Around Time

    Anyone have any recent experience in how long it takes UL to run a 1604 investigation/certification? The customer service rep quoted 20 WEEKS!!, but she also said that if we have a shorter requirement, the project planner may be able to work with us. Our company has done 1604 cert. once in the...
  4. LynnB

    Sample Size / Statistical Significance

    Not yet... Thanks!
  5. LynnB

    Sample Size / Statistical Significance

    New here. My search didn't turn up anything, but if I missed it, please point me in the right direction. I need know how to determine the number of units we need to test (MIL_STD 810F) in order for the testing to be statistically significant. All the info I can find on the web talks about...

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