Revision: 314.27(D) Boxes at Ceiling-Suspended (Paddle) Fan Outlets
A new last sentence adds specific requirements regarding the type of box that must be installed when two or more switched ungrounded conductors (switch legs) are roughed in to the box. The new requirement calls for a box that is listed for sole support of a ceiling-suspended paddle fan. This requirement applies to all occupancy types as it is currently worded. This affects the rough-in stages of all electrical installations where ceiling-mounted outlet boxes are installed and more than one switch leg is provided to the outlet. It is commonly understood that in many residential occupancies and some commercial occupancies, luminaires are sometimes replaced by a ceiling-suspended paddle fan at some time after the initial installation, but rarely are the proper listed boxes installed to accommodate the fan support requirements in the NEC. This new requirement takes a proactive approach through a rule that should help reduce the number of ceiling-suspended paddle fan installations that would be supported solely by boxes that are not designed or suitable for providing adequate support (see figure 5).