AAC Conductor XLPE/PVC Neutral Conductor AAAC Overhead ABC Cable

Basic Construction
Three power cores consisting of standard aluminum conductors, insulated with XLPE insulation
+ One sheath lighting aluminum conductor with XLPE insulation (optional)
+ One messenger Al-alloy conductor (bare or covered)
The messenger conductor can be of galvanized steel wire also.
The purpose of messenger wire is
A) It acts as load bearing wire.
B) It acts as earth or neutral conductor.