High Tension & Low Tension Electrical Works
New logic Control Systems is a well-known electrical contractor of H.T & L.T works . A low tension line simply means low voltage and a high tension line simply means high voltage. If you have a three-phase connection you receive an LT supply of 400 volts. For a single connection, you will receive 230 volts. If you require bulk power to run your system you will be needing High tension or HT supply.
In ordinary cascade connection of transformers the high tension winding is divided into two or several series connected parts each with its own closed iron core while the low tension winding is only arranged on that part which has one pole connected to ground in service.

