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  • Users: geerhed
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  1. geerhed

    Can you evaluate services of ETL vs. UL?

    Does anyone have direct experience with the listing process of ETL, and a possible comparison with UL? I'm not interested in the acceptance of either mark, just the technical/customer service aspect of dealing with them. Positive? Negative? Any sources I might reference for an evaluation by...
  2. geerhed

    Advice on ISO 17025 Lab audit (UL)

    I have a CTDP lab which is to be audited by UL to ISO 17025 this year. Has anyone been audited and passed, or had non-conformances and can share insights, etc.? Name of auditor and impressions, experiences? We make transient and surge arresters, so we have a lot of high-energy equipment. I...

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