However the channel randy was talking about is a pretty cool idea as well.
Running conduit up side of house to roof.
Although looking at it now the 2008 uses shaded sections for new or modified wording so the thin line might just be for new.
What if you are 4 feet off the roof.
One method is to run individual wires in a conduit system such as intermediate conduit rigid.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.
Because i and my employess can run conduit about as fast as protected nm conductors we generally run conduit.
Slide a short piece of schedule 40 pvc conduit through the structure s wall so that you can attach an lb fitting onto it.
Table 310 15 b c gives the derating factors where one is running conduit and wire above a roof.
Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe.
Use outdoor silicone caulking around the conduit at the structure in order to hold the conduit into place and keep water from going inside your structure.
I hope some of this info was helpful.
The last category with the least amount of derating is for a distance of 12 inches to 36.
My electrician had to run a line from one side of the house to the other and ended up having to punch down into the roof on one side and pop up out on the other side so the conduit 90 degree box or whatever it is is on each side.
14ft in length from property to shed for the power sockets in the shed which will have a plug in light powered from it however i am unsure which conduit to shield the cable with.
Special connectors are used to secure conduit to boxes and to join lengths of conduit together to form long straight runs or bends.
I am looking to add a power source and lighting to the shed running the 2 5mm cable along the fencing approx.
There are two ways to run electrical wiring on the exterior walls of a house or other structure.
Running wires inside rigid conduit.
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.