Adalet offers a complete line of increased safety operating devices including pilot lights, pushbuttons, mushroom head pushbuttons, illuminated pushbuttons, and selector switches. All operators are for use in control circuits functioning in Zone 1 & 2 rated environments and are used in conjunction with Adalet's increased safety control enclosures. These heavy duty operators are suitable for use in hazardous or corrosive atmospheres and are watertight for NEMA 4 applications.