Exterior grade ethernet cables are waterproof and can be buried in the ground without a conduit.
Running conduit on a flat roof.
At the moment the gutter drain pipe from the roof of the main property is running above the flat roof then is diverted along a drain pipe diagonally along the back external wall of the prerogative to a drain halfway along the property very ugly.
Also cutting and roof system removal.
Hi currently at the side of our house there is a large utility extension from the garage extending 2 3m into the garden.
If your lucky you will get 10 years service out of roof mounted pvc conduit in florida.
Lic conduit embedded within or directly underneath roof assemblies.
Does the nec specify a clearance between the bottom of roof decking and electrical conduit.
Can i run it on top or.
Self cutting or self drilling roof fasten ers can readily penetrate metals of these thicknesses.
I m a lv contractor and will be installing a cctv system on a building with a flat roof with a parapet.
The system will use cat 6 to each camera and running these wires indoors is impractical in most of the building.
Running conduit through roof reply 5 on.
All will help attenuate the let through energy.
If you aren t burying the cable choose a waterproof cat 6 cable that has a uv protective jacket to prevent damage from sunlight exposure.
The only reason we haven t install emt was because of the salt air.
I am worried about a roofer running a screw into the conduit as they secure the insulation.
By way of comparison the wall thick ness of 1 2 inch thick metallic conduit is comparable to the metal thickness of a 20 gauge steel roof deck.
I have to run a circuit to supply power to a sign across about 50 feet of flat roof.
So i m planning on running all camera wires in pvc schedule 40 either.
I cannot run it on the side of a parapet.
Seanb 1 don t forget the coil of cable and add a few ferrite toroids over the cable as well.
Although looking at it now the 2008 uses shaded sections for new or modified wording so the thin line might just be for new.
August 02 2011 09 56 26 am author.
I can tell you real quick like it gets brittle after around 5 years.
We are replacing part of the plant roof and some of the 277 lighting conduit runs along the bottom of the roof decking.
Mounting conduit on existing flat roof any time you see a thin black line to the left of a paragraph in the nec it means that it s new or the wording has changed.
But this time i would like to do a neater job.
