While building codes usually allow junction boxes in attics the codes impose installation standards to prevent electrical fires and accidental shock.
Attic wiring tips.
The process of wiring an attic fan involves the power source and switch location wiring connections to the switch and wiring connections to the fan.
As long as the wiring is newer romex type wiring and the circuit breaker is sized correctly there should be not problem with insulation.
Bring a work light and a flashlight with you if you attic has a light in it that is great but we still recommend bringing a flashlight in case mr.
When cutting through drywall from the interior of a room use a utility knife and cut carefully you don t want to drill through a hidden wire or the paper backing of the attic insulation.
When adding or replacing wiring in finished walls most electricians will attempt to make the horizontal portion of the cable run in the unfinished attic or basement crawlspace areas looping the cable down or up through the wall cavity across the floor or ceiling joists then vertically through another stud cavity to the next wall box opening.
Old knob and tube style wiring does however pose a problem with insulation.
Here are 3 tips to help.
Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well.
The attic wiring should be protected and secured to ceiling joists or other wood structural supports.
Raul no this is not a standard practice and is most likely the result of improper installation of electrical attic wiring.
You can avoid costly mistakes.
Junction boxes are basically standard electrical boxes that act as waypoints and connection centers for one or more circuits.
The newer romex has improved insulation qualities with wiring such as 14 2 14 3 12 2 and 12 3 etc.
Install the switch box and switch.
Find a live receptacle for the power source.
Determine the fan switch location.
And use semi rigid wiring fish tape to pull your wiring down to your outlet location.
Another benefit with the flashlight is it allows you to check areas where the light might not reach as well.