Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1000V|Ceramics, Bend testing, Electric power systems, Penetration tests, Glass, Acceptance (approval), Type testing, Verification, Sampling methods, Test equipment, Electrical testing, Marking, Impulse-voltage tests, Testing conditions, Dimensional tolerances, Classification systems, Electric insulators, Visual inspection (testing), Thermal-cycling tests, Alternating current, Dimensional measurement, Electrical insulation devices, Post insulators, Voltage