I have pretty different needs on a mountain top in Western Colorado… I need to shield my cables from pack rats who will chew on it. I use very inexpensive irrigation tubing which is made for in ground lawn sprinkling systems. This can be buried or tied in runs above ground.
On Oct 8, 2013, at 5:58 AM, "Shoppa, Tim" <[email protected]> wrote: > I think the British word "trunking" is what we in the US would call "cable > tray", metal trays with removable metal lids. > > Cable tray is very nice for cable management. Solid bottom galvanized cable > tray, the kind specified by standards where I work, is hard to justify in > cost until dozens of cables are laid in it and total cost of wire management > over decades starts becoming important. > > While cable tray lids offer some shielding to 60Hz and audio frequencies, it > is markedly inferior to well fitted metallic conduit for RF shielding. > > I've seen cable tray used inside the shack for cable management in some nicer > ham station pictures. It would be very hard to justify the substantial cost > for a long cable tray run between shack and antennas. > > Tim N3QE > > ----- Original Message ----- > From: Dave G4GED [mailto:[email protected]] > Sent: Tuesday, October 08, 2013 03:17 AM > To: [email protected] <[email protected]> > Subject: Topband: Outdoor cable trunking - opinions pse > > Hi all, > > I want to re-run all my TX and RX antenna feeders through trunking > (detachable lid type), fixed along the bottom of a new 200ft timber fence. > This will give protection and future flexibility that burying or closed > conduit methods wont. > > The question is...to use galvanised steel or PVC? > > I'm favouring steel because when earthed, I believe it will give extra > noise screening for the RX feeders but are there any down sides such as > "oven effects" in hot summer sun or "diode effects" between lids and > sections, or any other problems? > > PVC is a bit cheaper but wont offer the extra screening. > > Does anyone have any relative experience please? > > Thanks in advance. > Dave G4GED > > _________________ > Topband Reflector > _________________ > Topband Reflector > _________________ Topband Reflector
