Factory sealed, eliminating the need to add sealing fittings and compound at each conduit entrance|Stainless steel pushbutton shaft and bushings for long, maintece free operation|Corrosion-resistant captive stainless steel hex head cap screws hold covers to body|Eliminate need for adding sealing fittings and compound at each conduit entrance|Dozens of possible combinations of push buttons, pilot lights and selector switches|Smooth, rounded integral bushing in each EFD/EFDB hub protects conductor insulation|Accurately tapped, tapered hubs for tight, rigid joints and ground continuity|Stainless steel pushbutton shaft operates within stainless steel bushing assuring long, maintece free operation|Pushbutton and selector switch contacts are silver cadmium oxide which are sealed in lower phenolic chamber isolated from corrosive elements|Enclosed stainless steel helper spring prevents accidental operation of pushbutton in severe vibration installations|Pushbutton models also available with dust cap for use in areas where excessive dust, moisture or corrosive conditions are encountered|Factory sealed pilot lights supplied with red jewel/guard assembly and 120 VAC/VDC, 50/60 Hz, 6 W, type 6S6 lamp