Ceiling rose (BESA) with red 4 pin plug. Fixing centres: 50.8 mm diagonal (BESA). Terminals: Phase, neutral, earth, auxiliary & loop in terminals will each accept 5 x 0.75, 5 x 1.00, 4 x 1.50, 3 x 2.50 or 2 x 4.00mm conductors, Liczba złączy = 4, Średnica