Ключевые слова:
Stress|Design|Voltage|Temperature|Assembling|Performance|Electrical equipment|Visual inspection (testing)|Environmental testing|Electrical insulating materials|Clearance distances|Printed-circuit boards|Coordination|Leakage paths|Coatings|Clearances|Pollution|Electrical insulation|Low-voltage equipment|Quality control|Grades (quality)|Electrical conductivity|Electric conductors|Dimensions|Sampling methods