Fan Rated Box Vs Lightbox
Some types of specially rated metal pan boxes may be used for mounting ceiling fans but not all pan boxes may be used for this purpose.
Fan rated box vs lightbox. It is both against code and more importantly dangerous to mount a fan in an unapproved box. It may require some drywall surgery but it is worth it. I can see two large screws in the middle of the box presumably attaching the box to a joist. They painted the metal box so there s no visible sticker engraving stating that it is.
Round pan or pancake boxes typically are only 1 2 inch or 3 4 inch deep. You need to replace the box with an approved box and ensure that the box is firmly attached to framing members. What to look for in the best photo light boxes. If you re shooting jewelry an 18 inch box should suffice whereas someone shooting desktop computers might need a 48 inch.
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. Size a lightbox utilizes a closed environment to effectively diffuse light over your subject. The weight an dynamic load of a fan makes failure a high risk.