Joshua and et al, If you are in the US be sure and call diggers hot line. They will=20 contact all of the utilities for you. If you contact the utilities=20 yourself and miss one you are are liable for any damage that you cause.=20 This is true for secondary damage. Thanks, rich! On 5/16/2015 1:51 PM, Joshua Shriver wrote: > I've only done underground outside cat6. But for that I used 1" PVC > pipe and shielded ethernet wire. This way if a critter ever made it > into the pipe it couldn't easily chew the wiring. Run the pipe under > the frost line and always call the phone/gas company to have the > proposed area evaluated for existing underground utilities. > > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .