Ключевые слова:
Quality assurance systems|Inspection|Switches|Relays|Specification (approval)|Test equipment|Electric load cycling tests|Mechanical testing|All-or-nothing relays|Approval testing|Electrical equipment|Assessed quality|Electronic equipment and components|Marking|Endurance testing|Electromechanical devices|Electrical testing|Switchgear|Chemical-resistance tests|Environmental testing|Thermal testing|Definitions|Electrical measurement|Magnetic measurement|Circuits|Qualification approval|Detail specification|Testing conditions|Performance testing