35 mm 1 Gang Switch Box switch boxes are produced in four depths and with a specified ... number and size of knock outs Switch Box A comprehensive range of switch boxes manufactured in four depths 16mm , 25mm ... allow adequate cable entries for wiring purpose. 35mm 1 Gang Switch Box Size 73X73mmThickness 0.6 ,0.7 ,0.8 ,0 ... lugs 6X20mm KO's , 5X25mm KO's 35mm 1 Gang Switch Box