A41    Standard clamps for Italian catenary system

A411  Connection between conductors and contact line
A412  Droppers and contact wire clamps
A413  Supporting cables suspensions
A414  Earthing cable accessories
A415  Contact line anchoring and connection clamps

A421   Standard clamps for catenary SNCF - France

A422   Standard clamps for catenary  Infrabel - Belgium
A423   Standard clamps for catenary DB - Germany
A424   Standard clamps for catenary RENFE - Spain
A425   Standard clamps for catenary NR – Great Britain

A43     Clamps for trolleybus overhead systems

A44     Clamps for substation