My friends want me to run an overhead CAT5e cable between two
buildings.

I can get exterior grade CAT5e easily enough, but self-supporting
exterior-grade CAT5e doesn't seem to be available here in the UK.
Unfortunately I've only ever erected self-supporting wires and cables
(when I worked for BT). I don't know anything about using suspension
wires and clamps.

Have any of you run a cable using a suspension wire?

Where do I get the suspension wire from?
What material is it made of?
How do I know how strong it must be?
How do I fasten it to the building at each end?
How do I fasten the CAT5e to the suspension wire?

Any advice or comments would really be appreciated. Thank you.

SteveT

--
SteveT

"Steve Thackery" wrote in message
...
My friends want me to run an overhead CAT5e cable between two
buildings.

I can get exterior grade CAT5e easily enough, but
self-supporting exterior-grade CAT5e doesn't seem to be
available here in the UK. Unfortunately I've only ever erected
self-supporting wires and cables (when I worked for BT). I
don't know anything about using suspension wires and clamps.

Have any of you run a cable using a suspension wire?

Where do I get the suspension wire from?
What material is it made of?
How do I know how strong it must be?
How do I fasten it to the building at each end?
How do I fasten the CAT5e to the suspension wire?

Any advice or comments would really be appreciated. Thank you.

SteveT

--
SteveT





How long is the run and is it exposed in terms or weather and
especially wind?


--
Woody

harrogate three at ntlworld dot com

In article ,
Steve Thackery wrote:
My friends want me to run an overhead CAT5e cable between two
buildings.

I can get exterior grade CAT5e easily enough, but self-supporting
exterior-grade CAT5e doesn't seem to be available here in the UK.
Unfortunately I've only ever erected self-supporting wires and cables
(when I worked for BT). I don't know anything about using suspension
wires and clamps.

Have any of you run a cable using a suspension wire?

Where do I get the suspension wire from?
What material is it made of?
How do I know how strong it must be?
How do I fasten it to the building at each end?
How do I fasten the CAT5e to the suspension wire?

Any advice or comments would really be appreciated. Thank you.

Bit of deja vu here, but an electrical wholesaler should have what you
need. It's called a catenary.

http://www.tlc-direct.co.uk/Main_Ind...ire/index.html

--
*Why don't sheep shrink when it rains?

Dave Plowman London SW
To e-mail, change noise into sound.

Dave Plowman (News) wrote:

Bit of deja vu here, but an electrical wholesaler should have what you
need. It's called a catenary.

http://www.tlc-direct.co.uk/Main_Ind...ire/index.html

Ah, thank you. That does look useful. Any idea how you're supposed to
fasten the cable to the catenary?

Thanks again.

--
SteveT

Woody wrote:

How long is the run and is it exposed in terms or weather and especially
wind?

I haven't measured it, but they estimate a span of about 30m, I think.
Quite sheltered by builings and a hillside.

Thanks,

SteveT

--
SteveT

On Sat, 21 Jan 2012 14:27:20 GMT, Steve Thackery
wrote:

Dave Plowman (News) wrote:

Bit of deja vu here, but an electrical wholesaler should have what you
need. It's called a catenary.

http://www.tlc-direct.co.uk/Main_Ind...ire/index.html

Ah, thank you. That does look useful. Any idea how you're supposed to
fasten the cable to the catenary?

Thanks again.

This forum thread suggests UV resistant nylon cable ties or metal cable
ties.
http://www.electriciansforums.co.uk/...nary-wire.html


--
Peter Duncanson
(in uk.tech.digital-tv)

Steve Thackery wrote:
My friends want me to run an overhead CAT5e cable between two buildings.

I can get exterior grade CAT5e easily enough, but self-supporting
exterior-grade CAT5e doesn't seem to be available here in the UK.
Unfortunately I've only ever erected self-supporting wires and cables
(when I worked for BT). I don't know anything about using suspension
wires and clamps.

Have any of you run a cable using a suspension wire?

Where do I get the suspension wire from?
What material is it made of?
How do I know how strong it must be?
How do I fasten it to the building at each end?
How do I fasten the CAT5e to the suspension wire?

Any advice or comments would really be appreciated. Thank you.

SteveT


RS, CPC, TLC all sell catenary wire, etc. B & Q sell cat wire,
surprisingly, as does Clas Olsen.
The 3mm steel galv wire should be strong enough for CAT5 up to perhaps
30 metres. Stainless wire is good but expensive.
Attach the cat5 with small cable ties. Really small ones because of the
weight and windage. Must be black, UV proof. Put the ties so the
unevenness of grip caused by the clip part of the tie falls on the cat
wire, not the supported wire. Put a tie every 300mm. Tight enough, just,
so they can't slide easily, but can slide if they have to.
To attach the wire to the cat5 fix the wire tightly between two lamposts
or similar at a convenient working height, and work your way along.
At one or both ends fit a turnbuckle (£1.99 screwfix). Put a tie around
the cat 5 and through the turnbuckle so the latter can't turn. When you
need to adjust you can snip the tie. If only one turnbuckle put it at
the easy end to reach, for later tightening. Initially get the wire
tight; no slack at all; under slight tension. It will slacken.
Leave a loop of cat5 at both ends so the cat 5 can always move along the
wire, otherwise it might be taking the strain.
For wall brackets we tend to make out own. 15" of 1"x1"x3/16" angle.
Drill four spaced holes in one face for wall bolts; one central hole on
other face for turnbuckle. Use sleeve anchors for masonry fixing, not
plastic plugs. I'm unconvinced by this idea:
http://dl.dropbox.com/u/11023364/218...anchor%201.jpg

Any help?

Bill

Peter Duncanson wrote:
On Sat, 21 Jan 2012 14:27:20 GMT, Steve Thackery
wrote:

Dave Plowman (News) wrote:

Bit of deja vu here, but an electrical wholesaler should have what you
need. It's called a catenary.

http://www.tlc-direct.co.uk/Main_Ind...ire/index.html
Ah, thank you. That does look useful. Any idea how you're supposed to
fasten the cable to the catenary?

Thanks again.

This forum thread suggests UV resistant nylon cable ties or metal cable
ties.
http://www.electriciansforums.co.uk/...nary-wire.html


I have some cateneries done in the mid-ninties with black ties. No
problems so far.

Bill

Bill Wright wrote:

Any help?

Oh yes, indeed. Thanks, Bill, and my thanks to Woody, Dave and Peter
for your helpful comments.

Very much appreciated.

SteveT

--
SteveT