Ceiling Light Box Weight Limit

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.

Ceiling light box weight limit.

Great for residential and light commercial applications the box is made of polycarbonate is listed for use with dry wall or sheet rock. Only approved ceiling boxes are allowed to support fixtures in the ceiling. What is the weight limit for your old work round box b618r if you are hanging a light fixture from the ceiling. Ceiling fans not only weigh more than light fixtures but they vibrate which adds to the downward force exerted on the box.

The current fixture weighs 5 lbs and is mounted to a slater black plastic 20 25 cu. The carlon 1 gang 18 cu. 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. Legrand pass seymour slater new work 4 in.

The b618r is a round old work outlet box and is not listed for fixture support in the ceiling. 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. Set your store to see local availability compare. Plastic round ceiling box with captive mounting nails and auto clamps model s120rac 1 59 1 59.

Round old work ceiling box is designed for use with non metallic sheathed cable in accordance with article 314 of the nec. Hard shell old new work ceiling electrical outlet box model bh614r. The style that attaches to the joists with 2 nails in tabs on the side the fixture i want to install weigh. These boxes will be permitted to support a minimum weight of.

Moreover the magnitude of that downward force increases with blade length.