MV ABC cable 

Used to supply power,usually from a pole-mounted transformer, to the user's service head where connection to the service entrance.To be used at 600V or less phase to phase and at conductor temperatures not to exceed 75°C for polyethy insulated or 90°C for crosslinked. 
a ABC cable.

Applications:To supply 120 volt aerial service for temporary service at construction sites,outdoor or street lighting . For service at 600 volts or lower at a conductor temperature of 75 maximum.

b ABC cable.

Applications: To supply power from the ulility`s lines to the consumer`s weatherhead. For service at 600 volts or less(phase to phase ) at a conductor temperature of 75 maximum for PE insulation or 90 maximum for XLPE insulation .

c ABC cable.

Applications: Used to supply 3 phase power , usually from a pole-mounted transformer to the use`s servic head where connection to the service entance cable is made . To be used at voltages of 600 volts or less phase to phase and at conductor temperature not to exceed 75 for PE insulated conductors or 90 for XLPE insulated conductors.