As a certified licensed home inspector it is not correct to say too much ventilation is bad for an attic unless rain moisture is getting in.
Conduits necessary in the attic.
A favorite target of electrical inspectors is the improper use of non metallic cable nm in exposed locations such as basement foundation walls or along the face of studs and joists in unfinished framed spaces.
Code requires that romex be installed in a conduit.
When there is no flooring to walk on other than the edges of the trusses consider.
Familiarize yourself with the footing situation.
Imc conduit is a thicker conduit that is galvanized making it a great choice for outdoor installations.
This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.
With a flashlight examine the attic and locate the path that you will use to run the wire between the two locations.
Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.
Venting a homes attic is a very important best building practices will say 50 at the ridge and 50 at the soffits unobstructed.
This is also a good choice for exposed walls in basements garages outbuildings and areas the conduit can be hit or damaged.
Using conduits will ensure that your wires are kept together.
It will be easier to repair wires if there is a short in the line.
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.
Climb through the attic access using a ladder if necessary and look into the attic space.
Water heaters can lights and attic vents are great examples of typical flexible conduit installation.
Do not use mechanical means electric attic fans.
It also is easily damaged unlike imc or rigid conduit.