Principal area PA
... is the relative playing area required for the practice of a sport. It is usually the marked surface of the sports court or the sports field. In some cases, this area includes an additional playing area surrounding the marked surface (e.g. in tennis, volleyball, table tennis). Table to table contain examples for areas most frequently used for the sport in question. The dimensions according to the aforementioned tables should be examined during lighting design regarding applicability to the planned object. In case of deviations, the official playing field measurements of the respective sports associations must be consulted. Photometric requirements – with few exceptions – apply to the principal area PA.