Dimensions
Watertightness tests
Clearance distances
Performance
Switches
Lighting equipment
Corrosion tests
Type testing
Leakage paths
Heating tests
Damp-air tests
Test equipment
Rated current
Earthing
Electric terminals
Torsion testing
Electrical testing
Marking
Screw lamp caps
Rated voltage
Lamps
Electrical safety
Fire tests
Protected electrical equipment
Stress corrosion
Edison screw threads
Thermal testing
Endurance testing
Dielectric-strength tests
Testing conditions
Classification systems
Mechanical testing
Impact testing
Lamp caps
Tracking tests