Ceiling Box Weight Limit

The b618r is a round old work outlet box and is not listed for fixture support in the ceiling.

Ceiling box weight limit.

Outlet boxes or fittings designed for the support of luminaires and installed as required by 314 23 shall be permitted to support a luminaire weighing 23 kg 50 lb or less. The second paragraph of sec. Only approved ceiling boxes are allowed to support fixtures in the ceiling. 314 27 c states where spare separately switched ungrounded conductors are provided to a ceiling mounted outlet box in a location acceptable for a ceiling suspended paddle fan in one family two family or multifamily dwellings the outlet box or outlet box system shall be listed for sole support of a.

The pan is 1 2 in. Any other options to secure a box short of opening up the drywall which is not a problem if required to do it correctly. Deep and includes 8 32 threads for cover plates and lightweight fixtures and 10 24 threads for ceiling fans and heavier fixtures. Moreover the magnitude of that downward force increases with blade length.

What is the weight limit on one of these boxes. These boxes will be permitted to support a minimum weight of. As some people have pointed out this type of box only can support light weight objects and is not ul rated to support a light fixture. Old work ceiling box weight limit re.

What is the weight limit for your old work round box b618r if you are hanging a light fixture from the ceiling. A luminaire that weighs more than 23 kg 50 lb shall be supported independently of the outlet box unless the outlet box is listed and.