Ключевые слова:
Post insulators|Grades (quality)|Classification systems|Electric insulators|Designations|Impulse voltages|Frequencies|Glass|Leakage paths|Withstand voltage|Dimensions|Design|Fixing|Interchangeability|Diameter|Seatings|Ceramics|Breaking load|Holes|Rated voltage|Strength of materials|Height|Electrical insulation devices