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  • Users: EvanH
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  1. EvanH

    Thread Lube for rigid conduit in haz. loc?

    When assembling rigid conduit in a Class I Division 1 location, is there a specific type of thread lubricant that's allowed or recommended? Or is there no rule either way? Thanks, Evan
  2. EvanH

    Short Circuit Current Ratings, NEC2005-Art 409

    Trying to get familiar with the new requirements for industrial control panels, particularly the necessity to mark the panel with a "Short Circuit Current Rating". It's my understanding that (since our panels are not individually listed as an assembly), the components in the power distribution...
  3. EvanH

    ASME B31.3 Process Piping Code

    The above is a code that our products haven't been asked to meet before, but we have a customer who wants to specify it. Without going out to buy it and read it front to back, can anyone give a very brief synopsis of what kinds of things it requires? Is it, for example, a code that specifies...
  4. EvanH

    Common Usage of LFMC, LFNC

    NEC Articles 350.10 and 356.10 both use the language "Where conditions...require flexibility or protection of liquids..." In common practice, is this interpreted as only device which need to move or vibrate are allowed to be connected with flexible conduit, instead of rigid or...
  5. EvanH

    TEFC Motors in Class I Div 2 areas

    Hi Folks, It's my understanding that the NEC allows the use of Non-XP AC squirrel cage motors in Class I Division 2 areas, as long as the motor surfaces won't exceed the temperature classification. Does anyone know whether CSA's electrical code is the same or different on this point? Even more...
  6. EvanH

    Rigid Conduit thread sealant-any acceptable?

    Reading NEC's sections on IMC and Rigid Conduit, I can't spot any definitive rules on whether pipe sealant is allowed or forbidden. Clearly it seems that using a compound which prevented electrical conductivity would be undesirable, but does anyone have any specific guidelines they could point...
  7. EvanH

    Crossover for European Classification EExdeIICT4

    Hi, I've got a European customer requesting equipment for the following hazardous classification: EExdeIICT4 Can anyone confirm my understanding that this is equivalent to Class I Div.1 Groups A & B, Temp Class T4 (135C) ? Thanks, Evan
  8. EvanH

    European Hazardous Classification Crossover Question

    Hi, I've got a European customer requesting equipment for the following hazardous classification: EExdeIICT4 Can anyone confirm my understanding that this is equivalent to Class I Div.1 Groups A & B, Temp Class T4 (135C) ? Thanks, Evan

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