Rick Hughes wrote:

It would be less likely with screened CAT5 ..... I take it you know that it
is not allowed to run data comms & power in same conduit or trunking -
unless physically separated?

With a slightly different application in mind I was wondering if the
armour of SWA would count as 'physical separation'? In my case it's
not for being in the same couduit it because I might want a separation
of less than 50mm between the SWA and some non-power cables.

--
Chris Green