quick installation question...

["Andy C" <a@xxxxxxxxxxxxxxx>]

hi all,
is there in reality a real problem with running alarm cables (small
industrial unit, basic alarm) in the same conduit as mains cables? the runs
would be approx 10-15 metres... if so how far would they need to be
separated? i know slightly off- topic but the same question again for a
couple of cat 5 PC network cables and telephone extension cables - we're
hoping to get away with bunching everything together in the same trunking
(!) but i think someone is going to tell me no way
many thanks!
andy