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  1. Re: IEC 61439 Verification Methods

    Thanks for pointing this out. I have updated the table to the 2011 edition.

    --Steven

  2. Re: IEC 61439 Verification Methods

    Hi Steven. I just wanted to confirm with you that the table D1 above is now out of date. With the is

    --CM3PhaseDesign

  3. Re: Switchboard - Forms of Internal Separation

    As promised, I have added a post on IEC 61439 verficiation: IEC 61439 Verification Methods

    --Steven

  4. Re: Switchboard - Forms of Internal Separation

    Thanks for the quick reply Steven. All clear.

    --Peter

  5. Re: Switchboard - Forms of Internal Separation

    Peter, thanks for the question. Types are not part of the IEC standard, but are specific to the B

    --Steven

  6. Re: Switchboard - Forms of Internal Separation

    What about types – Form 4B Type 5 for example?

    --Peter

  7. Re: Switchboard - Forms of Internal Separation

    Naban, Thanks for the comment. If you need a quick answer, testing of switchboard assemblies is ful

    --Steven

  8. Re: Always Use PPE

    Great info. Thanks for sharing these recommendations. It really helps! Always secure safety when per

    --Anaheim Electrical Power

  9. Re: Switchboard - Forms of Internal Separation

    Please describe "type testing" of switchboards and how it is done and guidelines,codes,requirements(

    --naban

  10. Re: 8 Motor parts and common faults

    While it may not be a major problem in Low Voltage Motors, bearing damage due to circulating current

    --Rajeevankeeran

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