Approval testing
Qualification approval
Electronic equipment and components
Pressure switches
Performance
Assessed quality
Pushbutton switches
Electric contacts
Watertightness tests
Switches
Testing conditions
Performance testing
Electrical resistance
Quality control
Marking
Conformity
Inspection
Electrical testing
Rated voltage
Endurance testing
Environmental testing
Mechanical testing
Rotary switches
Leak tests
Quality assurance systems
Detail specification
Environment (working)
Electromechanical devices
Rated current
Lever switches
Visual inspection (testing)
Specification (approval)
Switchgear