The CR104P full size, heavy duty oiltight and watertight line is complete with a variety of accessories and enclosures. These push buttons are especially adapted to heavy duty service in almost any application including those where water and oil coolant is present. All units are suitable for use in NEMA 1, 3, 3R, 4, 4X, 12 and 13 applications when mounted in enclosures rated for those applications. Standard contact blocks are supplied with IP10 back of hand protection to comply with UL 508 section 39A requirements for door mounted devices.