Click Define Flat Plate Black Nickel Range. A comprehensive range of decorative metal wiring accessories. The Define Brand is synonymous with high specification, high quality, long life and unprecedented value for money. In addition, the Define range features the same modular switch design which is compatible with Mini-Grid modules however this is for switches only. With the ever-increasing demand for power supplies in all areas of the home comes the problem of selecting and fitting outlets which blend harmoniously with the decor of the room in which they are fitted.