8268. Contura Switch Mounting Panel. 1 Position Mounting Panel. Modular design permits easy assembly in groups of varying sizes. Designed for mounting in 6 different panel thicknesses:. 0.06" (1.57mm) 0.09" (2.36mm) 0.13" (3.17mm). 0.19" (4.75mm) 0.25" (6.35mm) 0.38" (9.52mm). WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.