BS EN 60383-1. Insulators for overhead lines with a nominal voltage above 1000 V. Part 1. Ceramic or glass insulator units for a.c. systems. Definitions, test methods and acceptance criteria|Overhead power-line fittings, Visual inspection (testing), Classification systems, Cyclic loading, Electrical insulation, Thermal-shock tests, Quality assurance, Galvanizing, Acceptance (approval), High voltage, Dimensional measurement, Pin insulators, Alternating-current power transmission, Electrical testing, Overhead power lines, Glass, Formulae (mathematics), Testing conditions, Mechanical testing, Environmental testing, Flow charts, Electric power transmission lines, Ceramics, Impact testing, Leakage paths, Type testing, Electric insulators