Mounting C21 above a board ensures that all international light requirements are fulfilled. Many mounting options C21 can be surface mounted, recessed into a T-bar ceiling, or mounted as a pendant. It is also available for wall mounting directly above the board, using a purpose-made wall bracket.  Row mounting The pendant, surface and wall mounted versions can be row mounted to match longer boards.  Other applications With its asymmetric light distribution, Glamox C21 is a powerful wallwash luminaire, and may be used for a number of purposes in addition to its primary function as a whiteboard luminaire.