Diameter
Test specimens
Test equipment
Dimensions
Electrical insulating materials
Bend testing
Electrical insulation
Tensile testing
Resistance measurement
Fungal-resistance tests
Cable sheaths
Thickness
Acidity
Fire tests
Splitting tests
Flexible materials
Dielectric-strength tests
Solid electrical insulating materials
Transparency
Thermal testing
Thermal resistance
Colour
Electrical testing
Flexibility
Shrinkage tests
Mechanical testing
Damp-heat tests