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-   -   heavier chandelier??? (http://www.diychatroom.com/f18/heavier-chandelier-47354/)

frgwtchr 06-23-2009 10:58 PM

heavier chandelier???
 
Can I replace the existing chandelier with a heavier chandelier? Are there some weight restrictions for certian ceiling electrical boxes or can i mount any size chandelier onto the existing box? The exiting chandelier is about 10 lbs. and is currently attached over the dining roon table area. I would like to hang a new chandelier that is about 20 lbs.

220/221 06-23-2009 11:33 PM

Heavy is a relative term. It depends on the type of jbox and how the jbox is atteched to the structure.

Just Bill 06-24-2009 06:23 AM

Fan support boxes are rated at 35#. Can be installed thru an existing box hole.

J. V. 06-24-2009 10:15 AM

How much does it weigh? And no, you cannot just hang some heavy fixture on any box. You will most likely need to provide extra support. This can be accomplished in many ways. Tell us the approximate weight.

KeithM62948 06-24-2009 12:27 PM

He gave the weight of the new chandelier as 20 lbs. He also mentions that it's in a dining room, so there is a good chance the existing box was installed/designed to hold heavier fixtures.

to the OP: does the existing box have a threaded nipple coming from the back of the box? If so, it should easily hold your new fixture.

vsheetz 06-24-2009 01:45 PM

Is the box next to a ceiling joist? If so, probably nailed there and would support 20lbs.

I recently installed a ~40 lb light - the instructions with it said that a box just mounted in dry-wall would hold to 45 lbs - but no way I would trust that much just on the drywall. The box is not exactly where I want it anyway, so I installed a hook rated to 75 lbs when screwed into a joist, and swagged chain from the j-box for now - will install a new box that will hold the weight next time I have a reason to crawl around the attic.

DIYGST 06-24-2009 06:27 PM

It sounds like you have access to replace the box
so I would replace with a ceiling fan box which has 2 beams that extend and can hold alot of weight. Very stable for just about any chandelier!

There is a remodel type of the same box which you turn and the arm expands to lock onto joists on both sides.

DIYGST 06-24-2009 06:30 PM

Quote:

Originally Posted by KeithM62948 (Post 292309)
He gave the weight of the new chandelier as 20 lbs. He also mentions that it's in a dining room, so there is a good chance the existing box was installed/designed to hold heavier fixtures.

I wouldn't assume too much, I originally had a fan that was hanging off a nail on plastic ceiling box over my dining table.
Actually I was reading on here.. that the code does not specify what box you must use for what fixtures.

KeithM62948 06-24-2009 08:42 PM

I understand not to assume to much. I'm simply advising determing in the box even needs to be replaced before replacing it for the sheer joy of project-ing :thumbsup:

J. V. 06-26-2009 09:49 AM

It's really not so much about the box itself, but how the box is attached. A fan rated box is required in rooms with ceiling boxes in my jurisdiction. It's how the box is installed that gives you the strength. Not the box. Properly attached and installed a standard 1900 box with ceiling ring will hold most anything. I do not use plastic boxes in ceilings, just for this reason.

KeithM62948 06-26-2009 10:02 AM

Quote:

Originally Posted by J. V. (Post 293306)
It's really not so much about the box itself, but how the box is attached...

Hence my use of "installed/designed"

Attaching the box would be part of installing it, wouldn't it? :huh:

ARI001 06-26-2009 10:17 AM

J.V. is correct with what he said. You need to replace the box with one that is designed to hold the weight of the fixture you are installing. Do not assume the existing box will hold the weight. Generally speaking junction boxes are installed to support lightweight fixtures unless specifically contracted to do otherwise. If it a blue box replace it. If it is a heavy looking white or brown box with screws driven into a joist and/or a "V" style compartment it is probably rated for the weight you intend to load it with. Remember better safe than sorry.

KeithM62948 06-26-2009 10:38 AM

You need to determine what you have before you can determine if it needs to be replaced.

frgwtchr 07-25-2009 11:08 AM

OP reply to this thread
 
Thank you all for your replies! The original box was a silver metal that had extenders to each joist and was connected to the joists. Also had a threaded needle/bolt that was too small for the new chandelier so we replaced it with a larger size and attached the new chandelier. Seems to be good. But if the whole thing falls out then we will know we messaed up and start over with ceiling repair. lol. no really I think it will all work out just fine.


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