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  1. jhc_jr

    The basics of Relative Thermal Index

    As an EE I have little background in materials properties, so I have a very basic question regarding UL 746b RTI values. Is there an aggregate value for RTI that is calculated from the three specific RTI values shown on the UL yellow card, or is the intent of the three different values on the...
  2. jhc_jr

    ElectroStatic Discharge mitigation from railcar fuel tankers

    I've been tasked with performing research on the issue of levels of ESD build up and discharge from railcar tankers before the process of petroleum transfer. Specifically, looking into a specification that our products can be tested to that would cover the connection of an electronic device to a...
  3. jhc_jr

    60079 "risk of mechanical danger"

    I realize this is probably a rather basic question, but I'm new to the field [glasses] 60079-0(2012+A11:2013) 26.4.2 Resistance to impact lists High and Low test criteria for Risk of Mechanical Danger. I can't seem to find anything that describes the assessment criteria for Risk of Mechanical...

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