How To Properly Install Junction Box Into Rafter In Attic

If the box has breakaway plastic tabs most often found on boxes that will be nailed to the surface push the tabs out by hand or with a screwdriver.

How to properly install junction box into rafter in attic.

You can attach them to the joist s side surface called the face or to the joist s top surface called the edge. Making up joints in an attic. For junction boxes installed on the ceiling run the cable from the ceiling down into the box. Fasten the cable using a wire staple within 12 inches 30 cm of the box to secure it.

If you come across a wire or romex cable that nee. Feed the cables through the clamps and into the box. The cable sheathing outer jacket should extend 1 4 to 1 2 inch into the box beyond the clamp and the individual conducting wires should extend about 6 inches into the box. Since insulation is combustible you must install face plates on all attic junction boxes to prevent contact between bare wires and insulation materials.

Junction box mounting locations there are two options for mounting boxes that are wholly contained within the attic. Mount the j box to the side of a framing member such as a wall stud ceiling rafter or floor beam using two 8 by 1 inch wood screws.