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Stepping of HV cable insulation

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    Stepping of HV cable insulation

    Which insulation requires stepping I answered EPR I believe the other choices were XLPE or oil insulated any thought?

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  3. gchoquette is offline Junior Member Pro Subscriber
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    Quote Originally Posted by dustincorvette View Post
    Which insulation requires stepping I answered EPR I believe the other choices were XLPE or oil insulated any thought?
    I spliced many PILC cables and they required stepping of the paper insulation layers. 3/4" long steps, 4-5 steps if I remember well.
    Never had to step the insulation of either EPR or XLPE.

    PILC is getting rare, splices are only done for repairs.

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    PILC AC Breakdown

    Quote Originally Posted by dustincorvette View Post
    Which insulation requires stepping I answered EPR I believe the other choices were XLPE or oil insulated any thought?
    Which type of insulation requires stepping?

    a.EPR
    b.Oil impregnated paper
    c.XLP
    d.XLPE
    e.EPM

    I am pretty sur its not EPR or XLPE.

    I am leaning on the oil impregnated paper I think these were often tested with AC (PILC) not sure... what voltage its actually required! some will say only above 35kV.

    https://www.pesicc.org/iccWebSite/su...lz_spr2003.pdf
    Last edited by akumaleon; 2 Days Ago at 06:13 PM.

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