There should be an inscription on the ceiling fan box to indicate this.
How to reinforce light box for ceiling fan.
Commercial electric 1 1 2 in.
The ceiling fan box is there to properly support the weight of the ceiling fan.
It would be horrible if the ceiling fan came crashing down in the middle of your living room.
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The box is usually metal.
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If not replace it with a fan rated junction box and a fan brace between the ceiling joist to help support the fan s weight.
Light fixture support 50 lbs.
Madison electric products smart box adjustable depth 75 lbs.
These braces are then nailed or screwed into the joists themselves.
Often times when replacing a ceiling light it is too heavy for your junction box.
An improperly mounted secured and reinforced ceiling fan can be a hazard.
How to reinforce a junction box.
Set your store.
However the revolutions of the blades can cause a lot of stress on the attachment point.
Learn how to reinforce the ceiling and prepare the ceiling fan box when installing a ceiling fan in this free diy video.
Place a 1 1 2 inch deep electrical junction box against the ceiling.
Ceiling fan box with metal cover model cmb150 4 34 4 34.
Remember that ceiling fans way 30 pounds or more.
Specially designed outlet boxes for ceiling fan support have special braces that extend to contact adjacent ceiling joists.
Ceiling fan support model msbfan 9 77 9 77.
The weight of the ceiling fan is enough reason to make sure that the ceiling fan box is reinforced.