Mechanically operated push button locksets. Requirements and test methods|Quality control, Endurance testing, Solvent-resistance tests, Electrical equipment, Qualification approval, Electrical testing, Thermal testing, Electrical insulation, Definitions, Rated current, Electric contacts, Pushbutton switches, Rated voltage, Ratings, Electronic equipment and components, Mechanical testing, Flammability, Force measurement, Overload (electric), Quality assurance systems, Formulae (mathematics), Assessed quality, Testing conditions, Inspection, Dielectric-strength tests, Specification (approval), Marking, Detail specification, Resistance measurement, Approval testing, Communication equipment, Performance testing, Statistical quality control, Switches, Switchgear, Solvents, Environmental testing