Low voltage
Marking
Testing conditions
Performance
Mechanical properties of materials
Plastics
Type testing
Electrical insulating materials
Heat-shrinkable materials
Sleeving (electrical)
Safety measures
Electric cables
Specimen preparation
Physical properties of materials
Link: BS EN 50655-2:2017 Electric cables. Accessories. Material characterization Fingerprinting for heat shrinkable components for low and medium voltage applications up to 20,8/36 (42) kV
Source: BSI Standards

