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  1. EricAXEWC

    Insulation testing for cables

    You may want to look into getting a copy IEEE 400: Guide for Field Testing and Evaluation of the Insulation of SHIELDED Power Cable Systems. You can also find some reports on the EPRI website about aged cable testing as well, do a search on epri.com for 1003663. For obvious reasons there is a...
  2. EricAXEWC

    Medium voltage plugs and receptacles

    Patton & Cooke also makes MV couplers (no affiliation, etc) http://www.pattonandcooke.com/
  3. EricAXEWC

    500MCM or 600MCM?

    jraef - can you explain further what it can't be used for? Most of the DLO I've seen is UL listed 2kV RHH/RHW-2, I always thought of it as pretty "flexible" in terms of allowed usage.
  4. EricAXEWC

    flexible cable questions (NEC Article 400)

    I don't see any indication in 590 that you aren't allowed to terminate using lugs as long as the disconnection and overcurrent protection is all in line. As I read it you should be allowed to terminate with lugs. That said it could come down to what the AHJ is comfortable with. Now I...
  5. EricAXEWC

    flexible cable questions (NEC Article 400)

    As I'm sure your qualified personnel are aware NEC Article 590 Temporary Installations would cover most of these situations. I'm not sure where you are getting your numbers. Looking at Table 400.5(A)(2) in the 2011 NEC for single conductor 4/0 Type W the 90C ampacity is 405A. The 75C ampacity...
  6. EricAXEWC

    UPS Sizing

    If you are calculating the standby time you will need to account for the DC/AC conversion efficiency from the battery bus and of course you have to ensure the DC bus can supply enough power during outages, although if the UPS is sized correctly this should already be accounted for.
  7. EricAXEWC

    European Cables for Hazardous Location

    Typically I would expect a manufacturer to list it to assist customers like yourself who are specifically looking for cable for hazardous environments. But specs are specs, some are better than others. Attached is a document that discusses cable gland requirements in hazardous locations. It...
  8. EricAXEWC

    European Cables for Hazardous Location

    I'm not that familiar with European hazardous locations requirements, do you know what cable types are allowed? For example in the US Type MC is allowed in Class 1, Div 2 locations but this isn't spelled out on every datasheet. It's possible Lapp has some cables that are allowed but aren't...

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