On Sun, May 17, 2009 19:45, Kerry Mayes wrote: > I'm wanting to connect up my shed for power (3 phase), water and data > (phone & network). I have (with significant help) dug the trench to > the shed and will be organising the connections in the next few weeks. > > However, if I run the network cables next to the power cables I'll > have issues, yes? Is there any way around that? Can I get shielded ducting > for underground use (at reasonable cost)? (I was initially just intending > to run the cat5e cable through irrigation hose until I remembered the > potential interference issues.)
There won't be interference issues, but there might be wiring code issues. Telecom regulations say that phonelines should be 50mm from electrical lines within buildings, but not outside[1]. There might be similar requirements for electrical wires next to water pipes. I would run 2 cat5e cables through irrigation tube and keep this 50mm away from the electrical conduit all along the trench. A [1] <http://www.telecom.co.nz/binarys/step_by_step_2_wire.pdf>
