Multicore cables in parallel - hysterisis (eddy currents)

Hi All,

Looking for a bit of a sanity check here!

I have reviewed an installation on site and found a number of circuits with multicore cables in parallel which are glanded into steel gland plates with no slot between the glands. I have raised this as an issue and the contractor is pushing back suggesting the problem only occurs with single cables in parallel and not multicore cables.

I have suggested the installation does not comply with 521.5.1, your comments would be welcome to confirm my sanity!

Thanks

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