Can you use old work box in ceiling?

Quote from the video:
Quote from Youtube video: And the way it works is unlike. The new work box which is attached directly to the stud. This is actually going to be hanging on the drywall.

What is a ceiling electrical box called?

A square electrical box, also known as a “double-gang box,” houses two devices. They’ll have a combination outlet/switch or a pair of outlets/switches inside. The round or octagonal box houses lightweight fixtures or safety devices in the ceiling. These are used for lights or smoke and carbon monoxide alarms.

How much weight can an old work ceiling box carry?

50 pounds

How heavy of a light fixture or ceiling fixture can a listed ceiling box support? A ceiling box can support a fixture of 50 pounds or less. A ceiling box rated for “fan support” can support a fan of 35 pounds or less.

How do you remove an old metal ceiling electrical box?

If it is a metal box, look for a single screw metal clamp in the top of the box. Loosen the screw and carefully pull the wires from the box. If the wires insert through a twin-screw clamp connector, loosen the two screws on the clamp and carefully pull the wires from the box.

How are electrical boxes attached in ceiling?

Boxes can be mounted directly (with four screws) to a ceiling joist or wood blocking, or they can attach to adjustable braces spanning between ceiling joists.

What is the difference between an old work box and a new work box?

New work boxes, designed to be installed just after the wall is framed but before the surfaces are finished with drywall. They attach to studs. Old work (also called retrofit) boxes, designed to be installed after the walls are finished and are used during remodeling projects. They attach to drywall or plaster.

How much weight will a ceiling box hold?

All ceiling boxes are required to support at least 50 pounds (NEC 314.27(A)), so you can assume the box will be able to support a simple light fixture. Boxes that are designed to support ceiling fans must be labeled as such, and must have a label listing the weight it can support if over 35 pounds (NEC 314.27(D)).

What is a retrofit box?

Sometimes called a remodel box or retrofit box, an old work electrical box can be inserted into an opening in the wall covering. The box attaches directly to the covering, not to the studs. It is used when remodeling rather than when constructing new wall systems.

How much weight can a plastic ceiling electrical box?

Conventional metal or plastic rough-in boxes aren’t supposed to hold any more than 50 pounds, and most fans exert more force than that.

How much weight can an octagon box support?

35 pounds

Standard octagon electrical boxes may be rated to support up to 35 pounds (depending on the installation method), while boxes with lightweight braces may be rated for only 10 or 15 pounds. Heavy-duty ceiling fan boxes may be rated for upwards of 50 pounds.

Can I use old work box for light fixture?

Old work round boxes are not designed for light fixtures. You need to use a fan style bar box that goes between the joist unless you get lucky and hit a ceiling joist.

How do you remove a metal back box?

Quote from the video:
Quote from Youtube video: So we're gonna have to go a little bit more than the edge. So what I'll do I'll scrape around there and I'll go in a few mil extra or what's good to do is maybe use a flat edge.

How do you determine if ceiling box can support a fan?

The National Electric Code requires that all fans 35 pounds and over must be supported with an outlet box or outlet box system that is listed for ceiling fan support. The manufacturer must have marked the outlet box system to indicate that it is acceptable for ceiling fan installations.

How do you install an adjustable ceiling box?

Quote from the video:
Quote from Youtube video: And slide the keyholes on the bottom of the box over the two hex heads slightly rotating the box counterclockwise to hold in place. And then fasten the other two hex screws.

How do you replace a ceiling box?

Quote from the video:
Quote from Youtube video: If you only have one cable that goes into this ceiling. Box then it's pretty straightforward. If it's a black and a white wire with a ground wire. Then that's all that you need for the ceiling fan.

How do you install a junction box in a ceiling?

Quote from the video:
Quote from Youtube video: Once you have the wire in the box you're going to push. The box back into the ceiling. And the box will have this particular one has three clips. So as you screw. The screws in the clips.

What does a ceiling fan junction box look like?

Quote from the video:
Quote from Youtube video: They have them in home depot and lowe's and everything they just they look like this. And they're kind of strange looking. But that's all it takes. And what you're doing is you're attaching the fan.

What kind of box do I need for a ceiling fan?

Most building codes require ceiling fans to be mounted on special fan-rated boxes, which are made of metal or strong plastic and have deep-threaded holes for the mounting screws. The box must be mounted firmly, either by attaching it directly to a framing member or by using a fan-rated brace.

How much weight can a ceiling electrical box hold?

Mounting screws go through box and into joist. Box will support up to 70 lbs. for fans and 90 lbs. for fixtures.