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  • Users: LynnB
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  1. 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...
  2. 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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