explosion resistant pressure housing (17) with a recording part (3) for electrical equipment and with a closure part (3) over a bayonet closure (2),-where the closure part (2) has a cylindrical section (7) with which it is inserted into a cylindrical outer wall (9) of the intake part (3) by forming a column resistant to ignition (18),-where the cylindrical section (7) of the locking part (2) has pipes distributed over the circumference (8) and contains the cylindrical outer wall (9) of the recording part (3) over the circumference and running in a plug direction (4), at the ends of which short cross-sections running in a cross-section to the direction of plug-in are connected (8),-with a safety part (1) on the buckle part (2) having a safety part (12) distributed over the circumference, intervening in the longitudinal slits (10), preventing the plugs (8) from turning out of the cross-slits (11); and-where the safety part (1) is fixed to the locking part (2) by means of at least one means of attachment which can only be solved by means of a tool (19).
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