16mm2 25mm2 Aerial bunched cable AAC ACSR/PVC 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.
Application
To be used at cottages of 600V phase-to-phase or less and at conductor temperatures not to exceed 75°C for polyethylene insulated conductors or 90°C for cross-linked polyethylene (XLPE) insulated conductors.