Axiom Accessory Boxes: Axiom wiring accessories include a comprehensive range of Junction boxes, Surface Pattress boxes and Dry Lining back boxes as well as SP and DP Connector blocks - all with the necessary BS standard approvals. Junction boxes come in white or black, Pattress boxes are available in 1 or 2 gang and come in 4 depths from 16mm to 45mm. whilst the Dry lining box range has 1, 2 and 1+2 gang sizes plus a round option in depths up to 45mm.