Article 410.4 (D) includes the following types of lighting fixtures amongst those not permitted with in the 3â€™ horizontal and 8â€™ vertical zone, for bathtubs and shower areas.
No parts of cord-connected luminaires (fixtures)
Â· hanging luminaires (fixtures)
Â· Lighting track,
Â· ceiling-suspended (paddle) fans
Note that this section does not mention recessed fixtures or fan units.
Usually the recessed units installed in these areas are listed for damp locations with or with out GFCI protection (read the manufactures instructions), additionally the recessed fixtures are supplied with trims that enclose the interior energized parts, providing some protection from accidental contact. The list of fixtures mentioned in the paragraph generally do not provide such protection, and therefore are required to be guarded from accidental (while in the tub or shower) contact by vertical elevation or horizontal distance.