This can be dangerous because without protective insulation electric wiring can easily spark a home electrical fire.
Attic wiring sparking.
Then wrap the green wire around the grounding screw inside the thermostat box.
If you drill holes in the joists and run wire through those holes you ll be disturbing the insulation.
But the vintage copper wiring in many older houses works just as well as the new stuff as long as it s in good condition and hasn t been altered in a way that violates code.
According to reports from the national fire protection association fires caused by home electrical failure or malfunction kill more than 420 people per year.
Then run the wiring to your attic fan strip another 8 inches at that end and connect the wire to the thermostat.
If you will need to fish wiring through a wall drill a hole through the wood plate in the attic only.
And use semi rigid wiring fish tape to pull your wiring down to your outlet location.
And even with all of the newly updated building codes and flame retardant building materials the number of residential attic fires isn t declining.
Strip away about 3 4 inch of the insulation and use a wire nut to connect all the white wires.
Federal emergency management administration fema there are over 10 000 attic fires each year resulting in an average of 35 deaths 125 injuries and 440 million in property damage.
If the wires are within 7 of the attic access hole or along any attic flooring you ll need to protect the wiring from damage with furring strips along each side of the wire run.
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.
According to the u s.