Routing Solar Conduit Through Attics

The remotely activated disconnect could also sit outside the attic closer to the array if that is more practical.

Routing solar conduit through attics.

Wiring between the roof installation and the inverter runs in metal conduit through the attic and into the garage. Get over to the wall above the panel or as close as possible then get outside under the eave and run down the wall with emt. Familiarize yourself with the footing situation. Also press a rope of duct seal around the top of the lb to keep water out.

Run the wiring conduit through the home so that the overall length of the conduit is minimized. A note on conduit. Get down into the attic with a short piece of pipe through the roof with a pullbox on top. Climb through the attic access using a ladder if necessary and look into the attic space.

I m building a new home outside the city limits in liberty county in texas my electrician ran the main power feed wire from the meter through the exterior wall up into the attic and down into the breaker panel without any conduit. Conduit runs are hidden under the panels and inside attics not run over the top of the roof. Check out our website photo gallery if you want to see more. Occasionally due to attic configuration or other challenges some visible conduit is unavoidable.

Whenever i do attic wiring i remove the insulation and staple it to the ceiling joist. If this meets code then i will be running attic wiring in this manner from now on. Connect flex to the bottom of that pipe. Inside the attic resides a remotely activated switch within 5 ft of where the conduit enters.

Ensure the conduit location in the attic provides at least 18 in. Finally slip the end of the conduit into the compression connector and tighten the compression nut with a wrench. How id do it if you put your cables to the edge where the apex of the roof meet the ceiling so you basically end up with your wireing loom at the edge of your attic then clip your cables along the ceiling joists 50mm from the plaster board then its clear of insulation and if you need to lay a floor you can but do try to avoide drilling hole through the joists as you will not meet the requirements as youll be less than 50mm from each each edge if the ceiling joists are 75mm. Wrap a conduit strap around the conduit and screw it to the house to secure the conduit.

With a flashlight examine the attic and locate the path that you will use to run the wire between the two locations. Of space below the roof deck and is easily accessible for the future solar installer.