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Dad Can You Explain the Murray Loop Test Please?

Oh ek son, now you're askin' summat.


Have a loook at this. I'm off tut pub...

https://www.youtube.com/watch?v=WP6MpAG2QVU



Z.


Parents
  • Never heard it called by  that name, I must admit, though I am aware of the principle of using a test electrode to find holes in the outer jacket. (but then my background is not traditional electrical)

    Nice drawings here  of both fault location methods.

    As a refinement to turn a point with an unknown error into a region of defined uncertainty one can do it from both ends.

    In this era of analog to digital conversion and many digit meters it is probably easier than it was.

    Fails if there is damage on all cores.

    PS it seems there are more precise variations on the theme for fault finding on multicore cables

Reply
  • Never heard it called by  that name, I must admit, though I am aware of the principle of using a test electrode to find holes in the outer jacket. (but then my background is not traditional electrical)

    Nice drawings here  of both fault location methods.

    As a refinement to turn a point with an unknown error into a region of defined uncertainty one can do it from both ends.

    In this era of analog to digital conversion and many digit meters it is probably easier than it was.

    Fails if there is damage on all cores.

    PS it seems there are more precise variations on the theme for fault finding on multicore cables

Children
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