Although code inspectors might accept either arrangement many builders prefer to mount junction boxes on the joist s top surface.
Splice box in attic.
If you come across a wire or romex cable that nee.
What is the correct and most efficient way to splice 14 2 from 14 3 that is running through my attic.
Mount the j box to the side of a framing member such as a wall stud ceiling rafter.
Here is what i ve done.
I ve spliced the cables with the plastic caps and encased the plastic in this box which is a metallic fixture box.
The second option is far more common.
As a result these improper connections will lay exposed in attics and can cause a lot of problems.
I needed to splice some cables half way to the fixture box.
If there is access above the light in an attic or kneewall space you can remove the wire from the existing fixture box and install it in a junction box.
You can then splice on a new piece of wire make sure it is the same wire gauge and run the new piece from the junction box back to the fixture box.
The safest way to splice wires in the attic is by placing the splice inside of a junction box.
I would like to add a switch and light to the existing electrical circuit wiring and not have to install more wiring and a new circuit breaker.
Inexperienced electricians often splice or cut electrical lines and will make splices without even using a junction box and cover.
Junction boxes and splicing electrical wiring.
When working with electrical you will run into a situation where someone didn t leave enough slack inside the electrical box.
You can attach them to the joist s side surface called the face or to the joist s top surface called the edge.
I am installing ceiling lights on my attic that has only fiberglass insulation.
Before cutting label the cables with a marker so you will know which wires to splice together inside the j box.
The family handyman editor rick muscoplat shows you how to splice in jumper wires to give you the slack you need.