If you want to save money you dont have to buy one. Cut new box holes.

How Do I Run Cable Through My Ceiling Home Improvement
Pull cable through wall. A wiring panel is optional. Wire pulling compound is a non conductive lubricant in either a gel or a slimy soapy form that makes both the conduit and wires slick by coating the wiring allowing it to slide through the conduit with relative ease. This job is easier with someone else holding the box up while you drill. From the attic or basement pull steadily on the fish tape while a helper feeds the cable into the wall opening. There are latches on. John from the cablesupply team shows how to pull cable through an existing wall while drilling through a stud with the greenlee dversibit system if you appreciate our videos please consider.
Carefully push the top low voltage box into the wall cavity just enough that you can easily access the tube from the bottom hole. Hold the wiring panel up against both studs. Make sure the tape is smooth so the cable can slide through the opening. The complete idiots guide to simple home improvements. Some fish tapes have hooked ends to grab a second fish tape. Then retract the fish tape to pull the cable through.
It may take some finessing as the tip of the fish tape blade passes through the drilled hole in the wall plate. Vce single brush wall plate cable pass through insert for wires single gang cable access strap wall socket for hdtv home theater systems white 2 pack. Apply the compound directly to the wires before pulling them into the conduit. Cable pass through wall port 3 58 5 14 wall thickness white 47 out of 5 stars 148. Fish tape is a springy steel tape that electricians use to pull wire through walls. Extend the fish stick so that it protrudes out of both the top and bottom holes and you can tape it to the wall temporarily.
Cut through the nails or mounting tabs securing the box to the wall stud using a reciprocating saw or a hacksaw blade sliding the saw blade between the edge of the box and the drywall. Fish tapes are the best tool you can find for pushing through holes in a wall. Pull the box from the wall and remove the circuit cable s from the box. Pull the cable through with a fish tape. Push the fish stick up through the tube and out of the top low voltage box. For more in depth informatino about running fish wire and cable through walls please.
Be gentle as you fish the cable through the hole since it is important not to tear the sheathing on the cable. Dont go wire fishing without a fish tape. Run electrical cable through walls and across ceilings without tearing them apart. Carefully extend the fish tape from one opening to the other. Tape the end of the fish tape tightly onto the cable with electrical tape. Learn how with this video.
Then use a power drill to screw the box to both studs.